List of state leaders in the 20th century (1901–1950)
Wikimedia list article

This is a list of state leaders in the 20th century (1901–1950) AD, such as the heads of state, heads of government, and the general secretaries of single-party states.
These polities are generally sovereign states, but excludes minor dependent territories, whose leaders can be found listed under territorial governors in the 20th century. For completeness, these lists can include colonies, protectorates, or other dependent territories that have since gained sovereignty.
Leaders of constituent states within the British South Asia, are excluded, and found on this list of state leaders in 20th-century British South Asia.
Africa
Africa: Central
Angola
Kasanje Kingdom (complete list) –
Ngwangwa, King (1911–1912)
Kingdom of Kongo (complete list) –
vassal to Portugal: 1888–1914
Henrique IV, King (1896–1901)
Pedro VI, King (1901–1910)
Manuel Nkomba, King (1910–1911)
Manuel III, King (1911–1914)
Portuguese Angola, (complete list) –
Colony, 1575–1951
For details see the Kingdom of Portugal under Southwest Europe
Cameroon
Fondom of Bafut (complete list) –
Abumbi I, King (1852–1932)
Achirimbi II, King (1932–1961, joined Cameroon)
Duala people (complete list) –
Dika a Mpondo, King, Paramount Chief (pre-1879–c.1905)
Manga Ndumbe Bell, King Paramount Chief (c.1897–?)
Rudolf Duala Manga Bell, King, Paramount Chief (c.1908–1913)
Kamerun (complete list) –
German colony, 1884–1916
For details see the German Empire under central Europe
French Cameroons, part of French Equatorial Africa (complete list) –
League of Nations mandate, 1918–1946; United Nations trust territory, 1946–1960
For details see France under western Europe
British Cameroons part of British West Africa (complete list) –
League of Nations mandate, 1922–1946; United Nations trust territory, 1946–1961
For details see the United Kingdom under British Isles, Europe
Central African Republic
Ubangi-Shari part of French Equatorial Africa (complete list) –
French colony, 1903–1958
For details see France under western Europe
Chad
Sultanate of Bagirmi (complete list) –
Gaourang II, Mbang (1885–1918)
vassal to France: from 1912
Mahamat Abdelkader, Mbang (1918–1935)
Wadai Empire (complete list) –
Ahmad Abu al-Ghazali ibn 'Ali, Kolak (1900–1901)
Dud Murra, Kolak (1901–1909)
'Asil, Kolak (1909–1912)
French Chad, part of French Equatorial Africa (complete list) –
Colony, 1900–1960
For details see France under western Europe
Congo: Belgian
Congo Free State
Sovereign –
Leopold II of Belgium, Sovereign (1885–1908)
Governors general (complete list) –
Théophile Wahis, Governor general (1892–1908)
Belgian Congo (complete list) –
Colony, 1908–1960
For details see the Belgium under Western Europe
Congo: French
French Congo part of French Equatorial Africa (complete list) –
Colony, 1882–1910
For details see France under western Europe
French Equatorial Africa (complete list) –
Federation of colonies, 1910–1934; Colony, 1934–1958
For details see France under western Europe
Equatorial Guinea
Spanish Guinea (complete list) –
Colony, 1778–1968
For details see Spain in southwest Europe
Gabon
Kingdom of Orungu (complete list) –
Rogombé-Nwèntchandi, Agamwinboni (?–1927)
French Gabon, part of French Equatorial Africa (complete list) –
Colony, 1882–1910
For details see France under western Europe
São Tomé and Príncipe
Portuguese São Tomé and Príncipe (complete list) –
Colony, 1470–1951
For details see the Kingdom of Portugal under Southwest Europe
Africa: East
Great Lakes area
Burundi
Kingdom of Burundi (complete list) –
Mwezi IV, King (c.1850–1908)
Mutaga IV, King (1908–1915)
Mwambutsa IV, King (1915–1966)
Ntare V Ndizeye, King (1966)
Ruanda-Urundi (complete list) –
League of Nations mandate of Belgium, 1922–1946; United Nations trust territory, 1946–1962
For details see Belgium under western Europe
Kenya
Wituland (complete list) –
Fumo 'Umar ibn Ahmad, Mfalume (1891–1893, 1895–1923)
East Africa Protectorate (complete list) –
British protectorate, 1895–1920
Kenya Colony (complete list) –
British colony and protectorate, 1920–1963
For details see the United Kingdom under British Isles, Europe
Rwanda
Kingdom of Rwanda (complete list) –
Yuhi V Musinga, King (1896–1931)
Mutara III Rudahigwa, King (1931–1959)
Kigeli V Ndahindurwa, King (1959–1961)
Tanzania
Sultanate of Zanzibar (complete list) –
Hamoud, Sultan (1896–1902)
Ali II, Sultan (1902–1911)
Khalifa II, Sultan (1911–1960)
Abdullah, Sultan (1960–1963)
Jamshid, Sultan (1963–1964)
German East Africa (complete list) –
Colony, 1885–1919
For details see the German Empire under central Europe
Tanganyika under Britain (complete list) –
League of Nations mandate of Britain, 1922–1946; United Nations trust territory, 1946–1961
For details see the United Kingdom under British Isles, Europe
Uganda
Ankole (complete list) –
Kahaya II, Omugabe (1895–1944)
Gasyonga II, Omugabe (1944–1967)
Buganda (complete list) –
Daudi Chwa II, Kabaka (1897–1939)
Muteesa II, Kabaka (1939–1969)
Bunyoro (complete list) –
Kitahimbwa, Omukama (1898–1902)
Duhaga III, Omukama (1902–1924)
Winyi IV, Omukama (1925–1967)
Uganda Protectorate (complete list) –
British protectorate, 1894–1962
For details see the United Kingdom under British Isles, Europe
Horn of Africa area
Djibouti
French Somaliland (complete list) –
Colony, 1896–1946; Overseas territory, 1946–1967
For details see France under western Europe
Eritrea
Italian Eritrea (complete list) –
Colony, 1890–1936
For details see Italy under southcentral Europe
Ethiopia
Ethiopian Empire (complete list) –
Menelik II, Emperor (1889–1913)
Iyasu V, Emperor (1913–1916)
Zewditu I, Empress (1916–1930)
Haile Selassie I, Emperor (1930–1974)
Italian East Africa (complete list) –
Colony, 1936–1941
For details see Italy under southcentral Europe
Sultanate of Aussa (complete list) –
Mahammad ibn Hanfere, Amoyta (1862–1902)
Mahammad ibn Aydahis ibn Hanfere, Amoyta (1902–c.1910)
Yayyo ibn Mahammad ibn Hanfere, Amoyta (c.1902–1927)
Mahammad Yayyo, Amoyta (1927–1944)
Kingdom of Gumma (complete list) –
Firisa, Moti (1899–1902)
Kingdom of Jimma (complete list) –
Abba Jifar II, Moti (1878–1932)
Abba Jofir, Moti (1932)
Leqa Neqemte (complete list) –
Kumsa Mereda, Moti (1888–1923)
Somalia
Dervish state –
Diiriye Guure, sultan (1895–1920)
Mohammed Abdullah Hassan, emir (1899–1920)
Sultanate of the Geledi (complete list) –
Osman Ahmed, Sultan (1878–1911)
Sultanate of Hobyo –
Yusuf Ali Kenadid, Sultan (1870s–early 20th century)
Ali Yusuf Kenadid, Sultan (early 20th century–1926)
Majeerteen Sultanate (complete list) –
Osman Mahamuud, King (1860–c.1924)
Italian Somaliland part of Italian East Africa (complete list) –
Colony, 1890–1936
For details see Italy under southcentral Europe
British Occupied territory, 1941–1949
For details see the United Kingdom under British Isles, Europe
British Somaliland (complete list) –
Protectorate, 1884–1940, 1941–1960
For details see the United Kingdom under British Isles, Europe
Trust Territory of Somaliland (complete list) –
United Nations trust territory of Italy, 1950–1960
For details see Italy under southcentral Europe
Indian Ocean
Comoros
Sultanate of Mwali (complete list) –
Salima Machamba bint Saidi Hamadi Makadara Queen/Sultan (1888–1909)
Sultanate of Ndzuwani (complete list) –
Saidi Mohamed bin Saidi Omar, Sultan (1892–1912)
French Comoros (complete list) –
Annexed by France, 1841–1843; Colony attached to Mayotte, 1843–1914; Colony attached to French Madagascar, 1914–1946
Territory of the Comoros (complete list) –
French overseas territory, 1946–1961; French autonomous territory, 1961–1975
For details see France under western Europe
Madagascar
French Madagascar (complete list) –
Colony, 1897–1958
For details see France under western Europe
Mauritius
British Mauritius (complete list) –
Colony, 1810–1968
For details see the United Kingdom under British Isles, Europe
Seychelles
Colony of Seychelles (1903–1976)
Part of British Mauritius, 1811–1903; British colony, 1903–1976
For details see the United Kingdom under British Isles, Europe
Africa: Northcentral
Libya
Italian Libya (complete list) –
Protectorate, 1912–1934; Colony, 1934–1943
For details see Italy under southcentral Europe
Tripolitanian Republic –
Ahmad Tahir al-Murayyid, Chairman (1918–1923)
Allied administration of Libya (UK & France) –
Allied military administration, 1942–1951
Cyrenaica Emirate (complete list) –
Idris, Emir (1949–1951), King (1951–1969)
Tunisia
Beylik of Tunis
Beys (complete list) –
Ali III ibn al-Husayn, Bey (1882–1902)
Muhammad IV al-Hadi, Bey (1902–1906)
Muhammad V an-Nasir, Bey (1906–1922)
Muhammad VI al-Habib, Bey (1922–1929)
Ahmad II ibn Ali, Bey (1929–1942)
Muhammad VII al-Munsif, Bey (1942–1943)
Muhammad VIII al-Amin, Bey (1943–1956)
Grand viziers (complete list) –
Aziz Bouattour, Grand vizier (1882–1907)
M'hamed Djellouli, Grand vizier (1907–1908)
Youssef Djait, Grand vizier (1908–1915)
Taïeb Djellouli, Grand vizier (1915–1922)
Mustapha Dinguizli, Prime minister (1922–1926)
Khelil Bouhageb, Prime minister (1926–1932)
Hédi Lakhoua, Prime minister (1932–1942)
Mohamed Chenik, Prime minister (1943)
Slaheddine Baccouche, Prime minister (1943–1947)
Mustapha Kaak, Prime minister (1947–1950)
Mohamed Chenik, Prime minister (1950–1952)
French protectorate of Tunisia (complete list) –
Protectorate, 1881–1956
For details see France under western Europe
Africa: Northeast
Egypt
Khedivate of Egypt
Under British occupation since 1882
Khedive (complete list) –
Abbas II, Khedive (1892–1914)
Prime ministers (complete list) –
Mostafa Fahmy Pasha, Prime minister (1895–1908)
Boutros Ghali, Prime minister (1908–1910)
Mohamed Said Pasha, Prime minister (1910–1914)
Hussein Roshdy Pasha, Prime minister (1914)
Sultanate of Egypt
British protectorate, 1914–1922
For details see the United Kingdom under British Isles, Europe
Sultan (complete list) –
Hussein Kamel, Sultan (1914–1917)
Fuad I, Sultan (1917–1922), King (1922–1936)
Prime ministers (complete list) –
Hussein Roshdy Pasha, Prime minister (1914–1919)
Mohamed Said Pasha, Prime minister (1919)
Youssef Wahba, Prime minister (1919–1920)
Mohamed Tawfik Naseem Pasha, Prime minister (1920–1921)
Adly Yakan Pasha, Prime minister (1921–1922)
Kingdom of Egypt
King (complete list) –
Fuad I, Sultan (1917–1922), King (1922–1936)
Farouk I, King (1936–1952)
British High Commissioners (complete list) –
Milne Cheetham, Acting High Commissioner (1914–1915)
Henry McMahon, High Commissioner (1915–1917)
Francis Reginald Wingate, High Commissioner (1917–1919)
Edmund Allenby, High Commissioner (1919–1925)
George Lloyd, High Commissioner (1925–1929)
Percy Loraine, High Commissioner (1929–1933)
Miles Lampson, High Commissioner (1934–1936)
Prime ministers (complete list) –
Abdel Khalek Sarwat Pasha, Prime minister (1922)
Mohamed Tawfik Naseem Pasha, Prime minister (1922–1923)
Yehya Ibrahim Pasha, Prime minister (1923–1924)
Saad Zaghloul, Prime minister (1924)
Ahmed Zeiwar Pasha, Prime minister (1924–1926)
Adly Yakan Pasha, Prime minister (1926–1927)
Abdel Khalek Sarwat Pasha, Prime minister (1927–1928)
Mostafa El-Nahas, Prime minister (1928)
Mohamed Mahmoud Pasha, Prime minister (1928–1929)
Adly Yakan Pasha, Prime minister (1929–1930)
Mostafa El-Nahas, Prime minister (1930)
Ismail Sedky, Prime minister (1930–1933)
Abdel Fattah Yahya Pasha, Prime minister (1933–1934)
Mohamed Tawfik Naseem Pasha, Prime minister (1934–1936)
Aly Maher Pasha, Prime minister (1936)
Mostafa El-Nahas, Prime minister (1936–1937)
Mohamed Mahmoud Pasha, Prime minister (1937–1939)
Aly Maher Pasha, Prime minister (1939–1940)
Hassan Sabry Pasha, Prime minister (1940)
Hussein Serry Pasha, Prime minister (1940–1942)
Mostafa El-Nahas, Prime minister (1942–1944)
Ahmad Mahir Pasha, Prime minister (1944–1945)
Mahmoud El Nokrashy Pasha, Prime minister (1945–1946)
Ismail Sedky, Prime minister (1946)
Mahmoud El Nokrashy Pasha, Prime minister (1946–1948)
Ibrahim Abdel Hady Pasha, Prime minister (1948–1949)
Hussein Serry Pasha, Prime minister (1949–1950)
Mostafa El-Nahas, Prime minister (1950–1952)
Sudan
Sultanate of Darfur (complete list) –
Ali Dinar, Sultan (1898–1916)
Anglo-Egyptian Sudan (complete list / complete list) –
Condominium of the United Kingdom and Egypt, 1899–1956
For details see the United Kingdom under British Isles, Europe
Africa: Northwest
Algeria
French Algeria (complete list) –
French Départements, 1830–1962
For details see France under western Europe
Morocco and Western Sahara
Sultanate of Morocco: Alaouite dynasty (complete list) –
Abdelaziz, Sultan (1894–1908)
Abdelhafid, Sultan (1908–1912)
French protectorate, 1912–1956; Spanish protectorate, 1912–1956; Tangier International Zone, 1924–1956
Yusef, Sultan (1912–1927)
Mohammed V, Sultan (1927–1953, 1955–1957), King (1957–1961)
Republic of the Rif –
Abd el-Krim, President (1921–1926)
Spanish Sahara, (complete list) –
Overseas territory, 1884–1958; Overseas province, 1958–1975
For details see Spain in southwest Europe
Africa: South
Botswana
Bechuanaland Protectorate (complete list) –
British protectorate, 1885–1966
For details see the United Kingdom under British Isles, Europe
Eswatini/ Swaziland
Kingdom of Eswatini (Swaziland)
tiNdlovukati (complete list) –
Labotsibeni Mdluli, Ndlovukati (1894–1925), Queen Regent (1899–1903) Queen Regent under British rule (1903–1921)
Protectorate of Swaziland
British protectorate, 1906–1968
For details see the United Kingdom under British Isles, Europe
Kings (complete list) –
Sobhuza II, Paramount Chief under British rule (1921–1968), King (1968–1982)
tiNdlovukati (complete list) –
Labotsibeni Mdluli, Ndlovukati (1894–1925), Queen Regent (1899–1903) Queen Regent under British rule (1903–1921)
Lomawa Ndwandwe, Ndlovukati (1925–1938)
Nukwase Ndwandwe, Ndlovukati (1938–1957)
Lesotho
Basutoland (complete list) –
British colony, 1884–1966
For details see the United Kingdom under British Isles, Europe
Paramount Chiefs (complete list) –
Lerotholi, Paramount Chief (1891–1905)
Letsie II, Paramount Chief (1905–1913)
Nathaniel Griffith Lerotholi, Paramount Chief (1913–1939)
Simon Seeiso Griffith, Paramount Chief (1939–1940)
Gabasheane Masupha, Regent (1940–1941)
'Mantšebo, Regent (1941–1960)
Malawi
British Central Africa Protectorate (complete list) –
British protectorate, 1893–1907
Nyasaland (complete list) –
British protectorate, 1907–1964
For details see the United Kingdom under British Isles, Europe
Mozambique
Angoche Sultanate –
Umar Farelay (also known as Mahamuieva), Sultan (c.1890–1910)
Portuguese Mozambique (complete list) –
Colony, 1498–1972; Territory, 1972–1975
For details see the Kingdom of Portugal under Southwest Europe
Namibia
German South West Africa (complete list) –
Colony, 1884–1915
For details see the German Empire under central Europe
South West Africa (complete list) –
League of Nations mandate of South Africa, 1915–1946; United Nations trust territory, 1946–1990
For details see the South African Republic under southern Africa
South Africa
British Central Africa Protectorate (complete list) –
Protectorate, 1893–1907
For details see the United Kingdom under British Isles, Europe
Cape Colony (complete list) –
British colony, 1795–1910
For details see the United Kingdom under British Isles, Europe
Colony of Natal (complete list) –
British colony, 1843–1910
For details see the United Kingdom under British Isles, Europe
Orange Free State (complete list) –
Martinus Theunis Steyn, State President (1896–1902)
Christiaan de Wet, Acting State President (1902)
Orange River Colony (complete list) –
British colony, 1902–1910
For details see the United Kingdom under British Isles, Europe
South African Republic (complete list) –
Schalk Willem Burger, Acting State President (1900–1902)
Transvaal Colony (complete list) –
British colony, 1877–1881, 1902–1910
For details see the United Kingdom under British Isles, Europe
Union of South Africa
Monarchs (complete list) –
George V, King (1910–1936)
Edward VIII, King (1936)
George VI, King (1936–1952)
Prime ministers (complete list) –
Louis Botha, Prime minister (1910–1919)
Jan Smuts, Prime minister (1919–1924)
J. B. M. Hertzog, Prime minister (1924–1939)
Jan Smuts, Prime minister (1939–1948)
Daniel François Malan, Prime minister (1948–1954)
Zambia
Kazembe –
Kanyembo Ntemena, Mwata (1883–1885, 1886–1904)
Barotseland (complete list) –
Lubosi I, Mbumu wa Litunga (1885–1916)
Mokamba–Regent, Mbumu wa Litunga (1916)
Yeta III, Mbumu wa Litunga (1916–1945)
Shemakone Kalonga Wina, Regent (1945–1946)
Imwiko Lewanika, Mbumu wa Litunga (1946–1948)
Shemakone Kalonga Wina, Regent (1948)
Mwanawina III, Mbumu wa Litunga (1948–1968)
Company rule in Rhodesia by the British South Africa Company (complete list) –
Company rule, 1890–1924
For details see the United Kingdom under British Isles, Europe
Northern Rhodesia (complete list) –
British protectorate, 1924–1964
For details see the United Kingdom under British Isles, Europe
Zimbabwe
Southern Rhodesia (complete list) –
British protectorate, 1924–1964
For details see the United Kingdom under British Isles, Europe
Africa: West
Benin
Kingdom of Agwe –
State reconstituted under joint Franco-German colonial authority (1901)
Abalo Bajavi, King (1901–1930)
Kofi Titriwe, King (1930–1935)
Augustino Olympio, King (1937–1945)
Kponton II, King (1946–1949)
Kingdom of Dahomey (Dahomey kings) (French presidents) –
French Protectorate, 1894–1904
For details see France under western Europe
French Dahomey, part of French West Africa (complete list) –
Colony, 1904–1958
For details see France under western Europe
Hogbonu (complete list) –
Toffa I, Ahosu (1874–1908)
Burkina Faso
Kingdom of Koala (complete list) –
Yenkuaga, King (c.1878–1917)
Labidiedo, King (1918–1920)
Yenkpaari, King (1920–1937)
Yempaabu, King (1941–1986)
Mossi Kingdom of Bilanga (complete list) –
Buricimba dynasty
Yaaparigu, Bilanbedo (1887–1919)
Boagri, Bilanbedo (1919)
Hampandi, Bilanbedo (1919–1927)
Banyikuba, Bilanbedo (1927–1970)
Mossi Kingdom of Bilayanga (complete list) –
Yenhamma, ruler (unknown date)
Wurijuari, ruler (20th century)
Yentagma, ruler (20th century)
Mossi Kingdom of Bongandini (complete list) –
Hampandi, ruler (1899–1923)
Mossi Kingdom of Con (complete list) –
Baahamma, ruler (1892–1905)
Hamicuuri, ruler (1905–1942)
Yencabri, ruler (1942–1969)
Mossi Kingdom of Gwiriko (complete list) –
Pintyeba Wattara, ruler (1897–1909)
Karamoko, ruler (1909–1915)
Mossi Kingdom of Kuala (complete list) –
Yenkuagu, ruler (1878–1917)
Labidiedo, ruler (1918–1920)
Yenkpaari, ruler (1920–1937)
Interregnum, ruler (1937–1941)
Yempaabu, ruler (1941–?)
Mossi Kingdom of Liptako (complete list) –
Brahima Usman, Almami (1891–1915)
Bubakar bi Amadu Baba Gedal, Almami (1916–1918)
Abdurahman Diko bi Amadu, Almami (1918–1932)
Abdullahi Sandu bi Faruku, Almami (1932–1956)
Mossi Kingdom of Macakoali (complete list) –
Huntani, Boopo (1897–1902)
Yenmiama, Boopo (1902–1906)
Haminari, Boopo (1906–1910)
Simadari, Boopo (1910–1932)
Hamicuuri, Boopo (1932–1932)
Yensongu, Boopo (1932–1932)
Wurabiari, Boopo (1932–1937)
Yaaparigu, Boopo (1937–1943)
Wuracaari, Boopo (1943–1945)
Yendieri, Boopo (1945–1976)
Mossi Kingdom of Nungu (complete list) –
Bancandi, Nunbado (1892–1911)
Mossi Kingdom of Pama –
Baahamma, Jafuali (1878–1918)
Hamicuuri, Jafuali (1918–1919)
Yenkoari, Jafuali (1919–1929)
Yenhamma, Jafuali (1929–1938)
Huntani, Jafuali (1938–1952)
Mossi Kingdom of Piéla (complete list) –
Yentandi, Pielabedo (1856–1901)
Kupiendieri, Pielabedo (1901–1932)
Yentugri, Pielabedo (1932–1949)
Yensongu, Pielabedo (1949–?)
Mossi Kingdom of Tenkodogo (complete list) –
Koom, Naaba (?–1933)
Yamba Sorgo, Naaba (1933–1957)
Mossi Kingdom of Wogodogo (complete list) –
Naaba Sigiri, Moogo-naaba (1897–1905)
Naaba Koom II, Moogo-naaba (1905–1942)
Naaba Saaga II, Moogo-naaba (1942–1957)
Mossi Kingdom of Yatenga (complete list) –
Naaba Ligidi, Yatenga naaba (1899–1902)
Naaba Kobga, Yatenga naaba (1902–1914)
Naaba Tigre, Yatenga naaba (1914–1954)
French Upper Volta part of French West Africa (complete list) –
Colony, 1919–1932, 1947–1958
For details see France under western Europe
Cape Verde
Portuguese Cape Verde (complete list) –
Colony, 1462–1951
For details see the Kingdom of Portugal under Southwest Europe
Gambia
Gambia Colony and Protectorate (complete list) –
British colony and protectorate, 1821–1965
For details see the United Kingdom under British Isles, Europe
Ghana
Kingdom of Ashanti (complete list) –
Prempeh I, Asantehene (1888–1902)
Osei Tutu Agyeman Prempeh II, Asantehene (1935–1957)
Gold Coast (complete list) –
British colony, 1821–1957
For details see the United Kingdom under British Isles, Europe
Guinea
French Guinea part of French West Africa (complete list) –
Colony, 1894–1958
For details see France under western Europe
Guinea-Bissau
Portuguese Guinea (complete list) –
Colony, 1474–1951
For details see the Kingdom of Portugal under Southwest Europe
Ivory Coast
French Ivory Coast part of French West Africa (complete list) –
Colony, 1893–1960
For details see France under western Europe
Liberia
Liberia (complete list) –
Garretson W. Gibson, President (1900–1904)
Arthur Barclay, President (1904–1912)
Daniel Edward Howard, President (1912–1920)
Charles D. B. King, President (1920–1930)
Edwin Barclay, President (1930–1944)
William Tubman, President (1944–1971)
Mali
French Sudan part of French West Africa (complete list) –
Colony, 1880–1958
For details see France under western Europe
Mauritania
Colonial Mauritania part of French West Africa (complete list) –
French colony, 1903–1960
For details see France under western Europe
Niger
Dendi Kingdom: Askiya dynasty (complete list) –
Malla, Askiya (1887–1901)
Igoumou, Askiya (1901)
Dosso Kingdom (complete list) –
Zarmakoy Attikou, King (1897–1902)
Zarmakoy Aoûta/Awta, King (1902–1913)
Zarmakoy Moussa, King (1913–1924)
Zarmakoy Saidou, King (1924–1938)
Zarmakoy Moumouni, King (1938–1953)
Upper Senegal and Niger part of French West Africa (complete list) –
French colony, 1904–1921
Colony of Niger part of French West Africa (complete list) –
French colony, 1921–1960
For details see France under western Europe
Nigeria
Adamawa Emirate –
Zubayru bi Adama, Baban-Lamido (1890–1901)
Baba Ahmadu, Baban-Lamido (1901–1903)
Akwa Akpa (Old Calabar) –
Eyo Etinyin, King (c.1896–c.1903)
Kingdom of Bonny –
Ate, Regent (1892–1914)
Egba Ake –
Gbadebo I, Alake (1898–1920)
Ladapo Samuel Ademola II, Alake (1872–1962), in exile (1948–1950), ruler (1920–1962)
Ilorin Emirate –
Sulaymanu dan Aliyu, Emir (1896–1914)
Shuaybu Bawa dan Zubayru, Emir (1915–1919)
Abdulkadir Dan Bawa, Emir (1920–1959)
Kano Emirate
Emirs (complete list) –
Aliyu Babba, Emir (1894–1903)
Grand Viziers
Ahmadu Mai Shahada, Grand Vizier (1889–1903)
Kingdom of Nri (complete list) –
Òbalíke, Eze Nri (1889–1911)
Nupe Kingdom (complete list) –
Abu Bakr dan Masaba, Etsu (1895–1897, 1899–1901)
Opobo (complete list)–
Obiesigha Jaja II (Frederick Sunday), King (1893–1915)
Dipiri (Arthur Mac Pepple), King (1916–1936)
Sodienye Jaja III (Douglas Mac Pepple), (1936–1942, 1952–1980)
Stephen Ubogu Jaja IV, acting King (1942–1946)
Sokoto Caliphate
Sultans (complete list) –
Abdur Rahman Atiku, Sultan (1891–1902)
Muhammadu Attahiru I, Sultan (1902–1903)
Grand viziers (complete list) –
Muhammadu al-Bukhari, Grand Vizier (1890–1903)
Suleja Emirate (complete list) –
Ibrahim "Iyalai" "Dodon Gwari", Emir (1877–1902)
Muhammad Gani, Emir (1902–1917)
Musa Angulu, Emir (1917–1944)
Sulaimanu Barau, Emir (1944–1979)
Yauri Emirate –
Abd Allahi Abarshi dan 'Ali dan Yerima, Emir (1888–1904)
Oil Rivers Protectorate/ Niger Coast Protectorate (complete list) –
British protectorate, 1884–1893/ 1893–1900
Lagos Colony (complete list) –
British colony, 1821–1957
Northern Nigeria Protectorate (complete list) –
British protectorate, 1900–1914
Southern Nigeria Protectorate (complete list) –
British protectorate, 1900–1914
For details see the United Kingdom under British Isles, Europe
Senegal
Kingdom of Sine (complete list) –
Mahecor Joof, Maad a Sinig (1924–c.1960)
Saloum (complete list) –
Fode N'Gouye Joof, Maad Saloum (1935–c.1960)
Senegambia and Niger part of French West Africa (complete list) –
French colony, 1902–1904
Upper Senegal and Niger part of French West Africa (complete list) –
French colony, 1904–1921
French Senegal part of French West Africa (complete list) –
French colony, 1848–1960
For details see France under western Europe
French West Africa (complete list) –
Federation of colonies, 1895–1958
For details see France under western Europe
Sierra Leone
Sierra Leone Colony and Protectorate, British colony (complete list) –
British colony and protectorate, 1808–1961
For details see the United Kingdom under British Isles, Europe
Togo
German Togoland, German protectorate (complete list) –
Protectorate, 1884–1916
For details see the German Empire under central Europe
British Togoland (complete list) –
League of Nations Mandate Territory, 1916–1946; United Nations Trust Territory, 1946–1956
For details see the United Kingdom under British Isles, Europe
French Togoland (complete list) –
League of Nations Mandate Territory, 1916–1946; United Nations Trust Territory, 1946–1960
For details see France under western Europe
Americas
Americas: Caribbean
Cuba
Republic of Cuba
Presidents (complete list) –
Tomás Estrada Palma, President (1902–1906)
US occupation (1906–1909)
José Miguel Gómez, President (1909–1913)
Mario García Menocal, President (1913–1921)
Alfredo Zayas y Alfonso, President (1921–1925)
Gerardo Machado, President (1925–1933)
Alberto Herrera y Franchi, Interim President (1933)
Carlos Manuel de Céspedes y Quesada, President (1933)
Pentarchy of 1933
Ramón Grau, President (1933–1934)
Carlos Hevia, Interim President (1934)
Manuel Márquez Sterling, Interim President (1934)
Carlos Mendieta, Interim President (1934–1935)
José Agripino Barnet, Interim President (1935–1936)
Miguel Mariano Gómez, President (1936)
Federico Laredo Brú, President (1936–1940)
Fulgencio Batista, President (1940–1944)
Ramón Grau, President (1944–1948)
Carlos Prío Socarrás, President (1948–1952)
Prime ministers (complete list) –
Carlos Saladrigas Zayas, Prime minister (1940–1942)
Ramón Zaydín, Prime minister (1942–1944)
Anselmo Alliegro y Milá, Prime minister (1944)
Félix Lancís Sánchez, Prime minister (1944–1945)
Carlos Prío Socarrás, Prime minister (1945–1947)
Raúl López del Castillo, Prime minister (1947–1948)
Manuel Antonio de Varona, Prime minister (1948–1950)
Félix Lancís Sánchez, Prime minister (1950–1951)
Dominican Republic
Second Dominican Republic (complete list) –
Juan Isidro Jimenes Pereyra, President (1899–1902)
Horacio Vásquez, President of the Provisional Government Junta (1902–1903)
Alejandro Woss y Gil, President (1903)
Carlos Felipe Morales, President (1903–1905)
Manuel Lamarche García, Emiliano Tejera, Andrés Julio Montolío, Francisco Leonte Vásquez Lajara, Carlos Ginebra, Eladio Victoria, Federico Velásquez y Hernández, Council of Secretaries of State (1905–1906)
Ramón Cáceres, President (1906–1911)
Miguel Antonio Román, José María Cabral, Manuel de Jesús Troncoso de la Concha, Federico Velásquez y Hernández, Manuel Lamarche García, Emilio Tejera, Rafael Díaz, Council of Secretaries of State (1911)
Eladio Victoria, President (1911–1912)
Adolfo Alejandro Nouel, Provisional President (1912–1913)
José Bordas Valdez, Provisional President (1913–1914)
Ramón Báez, Provisional President (1914)
Juan Isidro Jimenes Pereyra, President (1914–1916)
Jaime Mota, Bernardo Pichardo, José Manuel Jimenes, Federico Velásquez y Hernández, Council of Secretaries of State (1916)
Francisco Henríquez y Carvajal, President (1916)
Third Dominican Republic (complete list) –
Juan Bautista Vicini Burgos, Provisional President (1922–1924)
Horacio Vásquez, President (1924–1930)
Rafael Estrella Ureña, Acting President (1930)
Rafael Trujillo, President (1930–1938)
Jacinto Peynado, President (1938–1940)
Manuel de Jesús Troncoso de la Concha, President (1940–1942)
Rafael Trujillo, President (1942–1952)
Haiti
Republic of Haiti (1859–1957)
Heads of state (complete list) –
Tirésias Simon Sam, President (1896–1902)
Pierre Théoma Boisrond-Canal, Provisional President (1902)
Pierre Nord Alexis, President (1902–1908)
François C. Antoine Simon, President (1908–1911)
Cincinnatus Leconte, President (1911–1912)
Tancrède Auguste, President (1912–1913)
Michel Oreste, President (1913–1914)
Oreste Zamor, President (1914)
Joseph Davilmar Théodore, President (1914–1915)
Vilbrun Guillaume Sam, President (1915)
Philippe Sudré Dartiguenave, President (1915–1922)
Louis Borno, President (1922–1930)
Louis Eugène Roy, President (1930)
Sténio Vincent, President (1930–1941)
Élie Lescot, President (1941–1946)
Franck Lavaud, Chairman of the Military Executive Committee (1946)
Dumarsais Estimé, President (1946–1950)
Franck Lavaud, Chairman of the Government Junta (1950)
Paul Magloire, President (1950–1956)
Americas: Central
Costa Rica
First Costa Rican Republic (complete list) –
Rafael Yglesias Castro, President (1894–1902)
Ascensión Esquivel Ibarra, President (1902–1906)
Cleto González Víquez, President (1906–1910)
Ricardo Jiménez Oreamuno, President (1910–1914)
Alfredo González Flores, President (1914–1917)
Federico Tinoco Granados, President (1917–1919)
Juan Quirós Segura, President (1919)
Francisco Aguilar Barquero, President (1919–1920)
Julio Acosta García, President (1920–1924)
Ricardo Jiménez Oreamuno, President (1924–1928)
Cleto González Víquez, President (1928–1932)
Ricardo Jiménez Oreamuno, President (1932–1936)
León Cortés Castro, President (1936–1940)
Rafael Calderón Guardia, President (1940–1944)
Teodoro Picado Michalski, President (1944–1948)
Santos León Herrera, Interim President (1948)
Republic of Costa Rica (complete list) –
José Figueres Ferrer, President (1948–1949)
Otilio Ulate Blanco, President (1949–1953)
El Salvador
El Salvador (complete list) –
Tomás Regalado, President (1898–1903)
Pedro José Escalón, President (1903–1907)
Fernando Figueroa, President (1907–1911)
Manuel Enrique Araujo, President (1911–1913)
Carlos Meléndez Ramirez, Provisional President (1913–1914)
Alfonso Quiñónez Molina, Provisional President (1914–1915)
Carlos Meléndez Ramirez, President (1915–1918)
Alfonso Quiñónez Molina, Provisional President (1918–1919)
Jorge Meléndez, President (1919–1923)
Alfonso Quiñónez Molina, President (1923–1927)
Pío Romero Bosque, President (1927–1931)
Arturo Araujo, President (1931)
Maximiliano Hernández Martínez, Provisional President (1931–1934)
Andrés Ignacio Menéndez, Provisional President (1934–1935)
Maximiliano Hernández Martínez, President (1935–1944)
Andrés Ignacio Menéndez, Provisional President (1944)
Osmín Aguirre y Salinas, Provisional President (1944–1945)
Salvador Castaneda Castro, President (1945–1948)
Revolutionary Council of Government, (1948–1950)
Óscar Osorio, President (1950–1956)
Guatemala
Guatemala (complete list) –
Manuel Estrada Cabrera, President (1898–1920)
Carlos Herrera, President (1920–1921)
José María Orellana, President (1921–1926)
Lázaro Chacón González, President (1926–1931)
José María Reina Andrade, Acting President (1931)
Jorge Ubico, President (1931–1944)
Juan Federico Ponce Vaides, Acting President (1944)
Revolutionary Government Junta, President (1944–1945)
Juan José Arévalo, President (1945–1951)
Honduras
Honduras (complete list) –
Terencio Sierra, President (1899–1903)
Juan Ángel Arias Boquín, President (1903)
Manuel Bonilla, President (1903–1907)
Miguel Oquelí Bustillo, Chairman of the Provisional Government Junta (1907)
Miguel R. Dávila, President (1907–1911)
Francisco Bertrand, Acting President (1911–1912)
Manuel Bonilla, President (1912–1913)
Francisco Bertrand, President (1913–1919)
Salvador Aguirre, Acting President (1919)
Vicente Mejía Colindres, Acting President (1919)
Francisco Bográn, Acting President (1919–1920)
Rafael López Gutiérrez, President (1920–1924)
Francisco Bueso, Acting President (1924)
Tiburcio Carías Andino, President as First Chief of the Liberating Revolution (1924)
Vicente Tosta, Provisional President (1924–1925)
Miguel Paz Barahona, President (1925–1929)
Vicente Mejía Colindres, President (1929–1933)
Tiburcio Carías Andino, President (1933–1949)
Juan Manuel Gálvez, President (1949–1954)
Nicaragua
Nicaragua (complete list) –
José Santos Zelaya, President (1893–1909)
José Madriz, Acting President (1909–1910)
José Dolores Estrada, Acting President (1910)
Luis Mena, Acting President (1910)
Juan José Estrada, Provisional President (1910–1911)
Adolfo Díaz, President (1911–1917)
Emiliano Chamorro Vargas, President (1917–1921)
Diego Manuel Chamorro, President (1921–1923)
Rosendo Chamorro, Acting President (1923)
Bartolomé Martínez, President (1923–1925)
Carlos José Solórzano, President (1925–1926)
Emiliano Chamorro Vargas, de facto President (1926)
Sebastián Uriza, Acting President (1926)
Adolfo Díaz, President (1926–1929)
José María Moncada, President (1929–1933)
Juan Bautista Sacasa, President (1933–1936)
Carlos Alberto Brenes, Acting President (1936–1937)
Anastasio Somoza García, President (1937–1947)
Leonardo Argüello Barreto, President (1947)
Benjamín Lacayo Sacasa, Acting President (1947)
Víctor Manuel Román y Reyes, President (1947–1950)
Manuel Fernando Zurita, Acting President (1950)
Anastasio Somoza García, President (1950–1956)
Panama
Panama (complete list) –
Manuel Amador Guerrero, President (1904–1908)
José Domingo de Obaldía, President (1908–1910)
Carlos Antonio Mendoza, Acting President (1910)
Federico Boyd, Acting President (1910)
Pablo Arosemena, Acting President (1910–1912)
Belisario Porras Barahona, President (1912–1916)
Ramón Maximiliano Valdés, President (1916–1918)
Ciro Luis Urriola, Acting President (1918)
Pedro Antonio Díaz, Acting President (1918)
Belisario Porras Barahona, President (1918–1920)
Ernesto Tisdel Lefevre, Acting President (1920)
Belisario Porras Barahona, President (1920–1924)
Rodolfo Chiari, President (1924–1928)
Florencio Harmodio Arosemena, President (1928–1931)
Harmodio Arias Madrid, Acting President (1931)
Ricardo Joaquín Alfaro Jované, President (1931–1932)
Harmodio Arias Madrid, President (1932–1936)
Juan Demóstenes Arosemena, President (1936–1939)
Ezequiel Fernández, Acting President (1939)
Augusto Samuel Boyd, Acting President (1939–1940)
Arnulfo Arias, President (1940–1941)
Ricardo Adolfo de la Guardia Arango, President (1941–1945)
Enrique Adolfo Jiménez, Provisional President (1945–1948)
Domingo Díaz Arosemena, President (1948–1949)
Daniel Chanis Pinzón, President (1949)
Roberto Francisco Chiari Remón, President (1949)
Arnulfo Arias, President (1949–1951)
Americas: North
Canada
Canada
Monarchs (complete list) –
George V, King (1931–1936)
Edward VIII, King (1936)
George VI, King (1936–1952)
Prime ministers (complete list) –
Wilfrid Laurier, Prime minister (1896–1911)
Robert Borden, Prime minister (1911–1920)
Arthur Meighen, Prime minister (1920–1921)
William Lyon Mackenzie King, Prime minister (1921–1926)
Arthur Meighen, Prime minister (1926)
William Lyon Mackenzie King, Prime minister (1926–1930)
R. B. Bennett, Prime minister (1930–1935)
William Lyon Mackenzie King, Prime minister (1935–1948)
Louis St. Laurent, Prime minister (1948–1957)
Newfoundland Colony (complete list) –
British colony, 1610–1907
Dominion of Newfoundland (complete list) –
Monarchs (complete list) –
Edward VII, King (1907–1910)
George V, King (1910–1936)
George VI, King (1936–1949)
Prime ministers (complete list) –
Robert Bond, Prime minister (1907–1909)
Edward Morris, Prime minister (1909–1917)
John Chalker Crosbie, Prime minister (1917–1918)
William F. Lloyd, Prime minister (1918–1919)
Michael Patrick Cashin, Prime minister (1919)
Richard Squires, Prime minister (1919–1923)
William Warren, Prime minister (1923–1924)
Albert Hickman, Prime minister (1924)
Walter Stanley Monroe, Prime minister (1924–1928)
Richard Squires, Prime minister (1928–1932)
Frederick C. Alderdice, Prime minister (1928, 1932–1934)
Mexico
Mexico (complete list) –
Porfirio Díaz, President (1884–1911)
Francisco León de la Barra, President (1911)
Francisco I. Madero, President (1911–1913)
Pedro Lascuráin, President (1913)
Victoriano Huerta, President (1913–1914)
Francisco S. Carvajal, President (1914)
Eulalio Gutiérrez, President (1914–1915)
Roque González Garza, President (1915)
Francisco Lagos Cházaro, Provisional President (1915)
Venustiano Carranza, First Chief of the Constitutional Army (1914–1917), President (1917–1920)
Adolfo de la Huerta, President (1920)
Álvaro Obregón, President (1920–1924)
Plutarco Elías Calles, President (1924–1928)
Emilio Portes Gil, Interim President (1928–1930)
Pascual Ortiz Rubio, President (1930–1932)
Abelardo L. Rodríguez, President (1932–1934)
Lázaro Cárdenas, President (1934–1940)
Manuel Ávila Camacho, President (1940–1946)
Miguel Alemán Valdés, President (1946–1952)
United States
United States (complete list) –
William McKinley, President (1897–1901)
Theodore Roosevelt, President (1901–1909)
William Howard Taft, President (1909–1913)
Woodrow Wilson, President (1913–1921)
Warren G. Harding, President (1921–1923)
Calvin Coolidge, President (1923–1929)
Herbert Hoover, President (1929–1933)
Franklin D. Roosevelt, President (1933–1945)
Harry S. Truman, President (1945–1953)
Cherokee Nation (complete list) –
Thomas Buffington, Principal Chief (1899–1903)
William Charles Rogers, Principal Chief (1903–1905, 1906–1907)
Frank J. Boudinot, Principal Chief (1905–1906)
Americas: South
Argentina
Argentine Republic (complete list) –
Julio Argentino Roca, President (1898–1904)
Manuel Quintana, President (1904–1906)
José Figueroa Alcorta, President (1906–1910)
Roque Sáenz Peña, President (1910–1914)
Victorino de la Plaza, President (1914–1916)
Hipólito Yrigoyen, President (1916–1922)
Marcelo Torcuato de Alvear, President (1922–1928)
Hipólito Yrigoyen, President (1928–1930)
José Félix Uriburu, President (1930–1932)
Agustín Pedro Justo, President (1932–1938)
Roberto María Ortiz, President (1938–1942)
Ramón Castillo, President (1942–1943)
Arturo Rawson, de facto President (1943)
Pedro Pablo Ramírez, de facto President (1943–1944)
Edelmiro Julián Farrell, de facto President (1944–1946)
Juan Perón, President (1946–1955)
Bolivia
Bolivia (complete list) –
José Manuel Pando, President (1899–1904)
Ismael Montes, President (1904–1909)
Eliodoro Villazón, President (1909–1913)
Ismael Montes, President (1913–1917)
José Gutiérrez Guerra, President (1917–1920)
Government Junta, Members: Bautista Saavedra, José María Escalier, José Manuel Ramírez (1920–1921)
Bautista Saavedra, President (1921–1925)
Felipe S. Guzmán, Provisional President (1925–1926)
Hernando Siles Reyes, President (1926–1930)
Council of Ministers, Members: Alberto Díez de Medina, Germán Antelo Arauz, Franklin Mercado, David Toro, José Aguirre Achá, Fidel Vega, Carlos Banzer, Ezequiel Romecín Calderón (1930)
Carlos Blanco Galindo, Chairman of the Military Government Junta (1930–1931)
Daniel Salamanca Urey, President (1931–1934)
José Luis Tejada Sorzano, President (1934–1936)
Germán Busch, Chairman of the Government Junta (1936)
David Toro, Chairman of the Government Junta (1936–1937)
Germán Busch, Chairman of the Government Junta (1937–1938), President (1938–1939)
Carlos Quintanilla, Provisional President (1939–1940)
Enrique Peñaranda, President (1940–1943)
Gualberto Villarroel, Chairman of the Government Junta (1943–1944), President (1944–1946)
Néstor Guillén, Chairman of the Provisional Government Junta (1946)
Tomás Monje, Chairman of the Provisional Government Junta (1946–1947)
Enrique Hertzog, President (1947–1949)
Mamerto Urriolagoitía, President (1949–1951)
Brazil
First Brazilian Republic (complete list) –
Campos Sales, President (1898–1902)
Rodrigues Alves, President (1902–1906)
Afonso Pena, President (1906–1909)
Nilo Peçanha, President (1909–1910)
Hermes da Fonseca, President (1910–1914)
Venceslau Brás, President (1914–1918)
Delfim Moreira, President (1918–1919)
Epitácio Pessoa, President (1919–1922)
Artur Bernardes, President (1922–1926)
Washington Luís, President (1926–1930)
Republic of Acre (pt:complete list) –
José Plácido de Castro, President (1902–1904)
Vargas Era Brazil (complete list) –
Military Junta: Augusto Fragoso, Isaías de Noronha, Mena Barreto, President (1930)
Getúlio Vargas, President (1930–1945)
José Linhares, President (1945–1946)
Fourth Brazilian Republic (complete list) –
Eurico Gaspar Dutra, President (1946–1951)
Chile
Parliamentary Era Chile (complete list) –
Federico Errázuriz Echaurren, President (1896–1901)
Germán Riesco, President (1901–1906)
Pedro Montt, President (1906–1910)
Ramón Barros Luco, President (1910–1915)
Juan Luis Sanfuentes, President (1915–1920)
Arturo Alessandri, President (1920–1924)
Luis Altamirano, President of Government Junta (1924–1925)
Pedro Dartnell, Provisional President (1925)
Emilio Bello Codesido, President of Government Junta (1925)
Presidential Republic (1925–1973) of Chile (complete list) –
Arturo Alessandri, President (1925)
Emiliano Figueroa, President (1925–1927)
Carlos Ibáñez del Campo, President (1927–1931)
Juan Esteban Montero, President (1931–1932)
Arturo Puga, President of Government Junta (1932)
Carlos Dávila, Provisional President (1932)
Bartolomé Blanche, Provisional President (1932)
Abraham Oyanedel, Acting President (1932)
Arturo Alessandri, President (1932–1938)
Pedro Aguirre Cerda, President (1938–1941)
Juan Antonio Ríos, President (1942–1946)
Gabriel González Videla, President (1946–1952)
Colombia
Republic of Colombia (complete list) –
José Manuel Marroquín, President (1900–1904)
Rafael Reyes Prieto, President (1904–1909)
Ramón González Valencia, President (1909–1910)
Carlos Eugenio Restrepo Restrepo, President (1910–1914)
José Vicente Concha Ferreira, President (1914–1918)
Marco Fidel Suárez, President (1918–1921)
Jorge Holguín, President (1921–1922)
Pedro Nel Ospina Vázquez, President (1922–1926)
Miguel Abadía Méndez, President (1926–1930)
Enrique Olaya Herrera, President (1930–1934)
Alfonso López Pumarejo, President (1934–1938)
Eduardo Santos Montejo, President (1938–1942)
Alfonso López Pumarejo, President (1942–1946)
Mariano Ospina Pérez, President (1946–1950)
Laureano Gómez Castro, President (1950–1953)
Ecuador
Ecuador (complete list) –
Eloy Alfaro, Jéfe Supremo (1895–1896), Interim President (1896–1897), President (1897–1901)
Leónidas Plaza, President (1901–1905)
Lizardo García, President (1905–1906)
Eloy Alfaro, Jéfe Supremo (1906), Interim President (1906–1907), President (1907–1911)
Carlos Freile Zaldumbide, Acting President (1911)
Emilio Estrada, President (1911)
Carlos Freile Zaldumbide, Acting President (1911–1912)
Francisco Andrade Marín, Acting President (1912)
Alfredo Baquerizo, Acting President (1912)
Leónidas Plaza, President (1912–1916)
Alfredo Baquerizo, President (1916–1920)
José Luis Tamayo, President (1920–1924)
Gonzalo Córdova, President (1924–1925)
Provisional Government (1925–1926)
Isidro Ayora, Interim President (1926–1929), President (1929–1931)
Luis Larrea Alba, Minister of Government (1931)
Alfredo Baquerizo, President of the Senate (1931–1932)
Carlos Freile Larrea, Minister of Government (1932)
Alberto Guerrero Martínez, President of the Senate (1932)
Juan de Dios Martínez, President (1932–1933)
Abelardo Montalvo, Acting President (1933–1934)
José María Velasco Ibarra, President (1934–1935)
Antonio Pons, Acting President (1935)
Federico Páez, Jéfe Supremo (1935–1937)
Alberto Enríquez Gallo, Jéfe Supremo (1937–1938)
Manuel María Borrero, Interim President (1938)
Aurelio Mosquera, President (1938–1939)
Carlos Alberto Arroyo del Río, Acting President (1939)
Andrés Córdova, Acting President (1939–1940)
Julio Enrique Moreno, Acting President (1940)
Carlos Alberto Arroyo del Río, President (1940–1944)
Julio Teodoro Salem, Acting President (1944)
José María Velasco Ibarra, President of the Republic (1944), Constitutional President (1944–1946), President of the Republic (1946), Constitutional President (1946–1947)
Carlos Mancheno Cajas, Jéfe Supremo (1947)
Mariano Suárez Veintimilla, President (1947)
C.J. Arosemena Tola, President (1947–1948)
Galo Plaza, President (1948–1952)
Guyana
British Guiana (complete list) –
British colony, 1814–1966
For details see the United Kingdom under British Isles, Europe
Paraguay
Republic of Paraguay (complete list) –
Emilio Aceval, President (1898–1902)
Andrés Héctor Carvallo, President (1902)
Juan Antonio Escurra, President (1902–1904)
Juan Bautista Gaona, President (1904–1905)
Cecilio Báez, President (1905–1906)
Benigno Ferreira, President (1906–1908)
Emiliano González Navero, President (1908–1910)
Manuel Gondra, President (1910–1911)
Albino Jara, President (1911)
Liberato Marcial Rojas, President (1911–1912)
Pedro Peña, President (1912)
Emiliano González Navero, President (1912)
Eduardo Schaerer, President (1912–1916)
Manuel Franco, President (1916–1919)
José Pedro Montero, President (1919–1920)
Manuel Gondra, President (1920–1921)
Eusebio Ayala, President (1921–1923)
Eligio Ayala, President (1923–1924)
Luis Alberto Riart, President (1924)
Eligio Ayala, President (1924–1928)
José Guggiari, President (1928–1932)
Eusebio Ayala, President (1932–1936)
Rafael Franco, President (1936–1937)
Félix Paiva, President (1937–1939)
José Estigarribia, President (1939–1940)
Higinio Moríñigo, President (1940–1948)
Juan Manuel Frutos, President (1948)
Juan González, President (1948–1949)
Raimundo Rolón, President (1949)
Felipe Molas, President (1949)
Federico Chávez, President (1949–1954)
Peru
Republic of Peru (complete list) –
Eduardo López de Romaña, Constitutional President (1899–1903)
Manuel Candamo, Constitutional President (1903–1904)
Serapio Calderón, President of the Government Junta (1904)
José Pardo y Barreda, Constitutional President (1904–1908)
Augusto B. Leguía y Salcedo, Constitutional President (1908–1912)
Guillermo Billinghurst, Constitutional President (1912–1914)
Óscar R. Benavides, Interim President (1914–1915)
José Pardo y Barreda, Constitutional President (1915–1919)
Augusto B. Leguía y Salcedo, Constitutional President (1919–1930)
Manuel María Ponce Brousset, Interim President (1930)
Luis Miguel Sánchez Cerro, President of the Provisional Government Junta (1930–1931)
Ricardo Leoncio Elías Arias, President of the Provisional Government Junta (1931)
Gustavo Jiménez, President of the Provisional Government Junta (1931)
David Samanez Ocampo, President of the Southern Junta (1931)
Luis Miguel Sánchez Cerro, Constitutional President (1931–1933)
Óscar Benavides, Constitutional President (1933–1939)
Manuel Prado y Ugarteche, Constitutional President (1939–1945)
José Bustamante y Rivero, Constitutional President (1945–1948)
Manuel A. Odría, President (1948–1950)
Zenón Noriega Agüero, President (1950)
Manuel A. Odría, Constitutional President (1950–1956)
Suriname
Dutch Surinam (complete list) –
Dutch colony 1667–1954
For details see the Netherlands under western Europe
Uruguay
Uruguay (complete list) –
Juan Lindolfo Cuestas, President (1899–1903)
José Batlle y Ordóñez, President (1903–1907)
Claudio Williman, President (1907–1911)
José Batlle y Ordóñez, President (1911–1915)
Feliciano Viera, President (1915–1919)
Baltasar Brum, President (1919–1923)
José Serrato, President (1923–1927)
Juan Campisteguy, President (1927–1931)
Gabriel Terra, President (1931–1939)
Alfredo Baldomir, President (1939–1943)
Juan José de Amézaga, President (1943–1947)
Tomás Berreta, President (1947)
Luis Batlle Berres, President (1947–1951)
Venezuela
United States of Venezuela (complete list) –
Cipriano Castro, President (1899–1908)
Juan Vicente Gómez, President (1908–1913)
José Gil Fortoul, Interim President (1913–1914)
Victorino Márquez Bustillos, President (1914–1922)
Juan Vicente Gómez, President (1922–1929)
Juan Bautista Pérez, President (1929–1931)
Juan Vicente Gómez, President (1931–1935)
Eleazar López Contreras, President (1935–1941)
Isaías Medina Angarita, President (1941–1945)
Rómulo Betancourt, President (1945–1948)
Rómulo Gallegos, President (1948)
Carlos Delgado Chalbaud, President (1948–1950)
Germán Suárez Flamerich, Interim President (1950–1952)
Asia
Asia: Central
Kazakhstan
Alash Autonomy (complete list) –
Alikhan Bukeikhanov, Prime minister (1917–1920)
Tibet
Tibet under Qing rule (Qing emperors / Dalai Lamas) –
Manchu overlordship, 1720-1912
For details see the Qing dynasty under Eastern Asia
Tibet (1912–1951) (complete list) –
Thubten Gyatso, 13th Dalai Lama (1879–1933)
Tenzin Gyatso, 14th Dalai Lama (1950–1959)
Uzbekistan
Khanate of Khiva (complete list) –
Muhammad Rahim Bahadur II., Khan (Feruz Khan), Khan (1864–1910)
Isfandiyar Jurji Bahadur, Khan (1910–1918)
Sayid Abdullah, Khan (1918–1920)
Khorezm People's Soviet Republic
Hoji Pahlavon Niyoz Yusuf, Chairman of the Revolutionary Committee (1920)
Jumaniyoz Sulton Muradoghli, Chairman of the Provisional Government (1920)
Hoji Pahlavon Niyoz Yusuf, Chairmen of the Presidium (1920–1921)
Qoch Qoroghli, Chairmen of Provisional Revolutionary Committee (1921)
Khudoybergan Divanoghli, Chairmen of the Presidium (1921)
Mulla Nozir, Chairmen of the Presidium (1921)
Allabergan, Chairmen of the Presidium (1921)
Ata Maqsum Madrahimoghli, Chairmen of the Presidium (1921)
Jangibay Murodoghli, Chairmen of the Presidium (1921–1922)
Abdulla Abdurahmon Khojaoghli, Chairmen of the Presidium (1922–1923)
K. Safaroghli, Chairmen of the Presidium (1923–1924)
Sultonkari Jumaniyoz, Chairmen of the Presidium (1924)
Temurkhoja Yaminoghli, Chairmen of the Presidium (1924–1925)
Emirate of Bukhara –
Russian protectorate, 1873–1917
Abdul-Ahad bin Muzaffar al-Din, Amir (1885–1910)
Muhammad Alim Khan bin Abdul-Ahad, Amir (1910–1920)
Bukharan People's Soviet Republic (complete list) –
Mirzo Abduqodir Mansurovich Mukhitdinov, Chairman of the Provisional Revolutionary Committee (1920–1921)
Polat Usmon Khodzhayev, Chairman of the Provisional Revolutionary Committee (1921), of the Presidium of the Central Executive Committee (1921–1922)
Muin Jon Aminov, Chairmen of the Presidium of the Central Executive Committee (1922)
Porsa Khodzhayev, Chairmen of the Presidium of the Central Executive Committee (1922–1925)
Russian Turkestan (complete list) –
Russian Krai, 1867–1918
For details see the Russian Empire under Eastern Europe
Asia: East
China: Qing dynasty
Qing dynasty (complete list) –
Guangxu, Emperor (1875–1908)
Puyi, Emperor (1908–1912)
China: Since 1912
Republic of China (1912–1915)
Presidents (complete list) –
Sun Yat-sen, Provisional President (1912)
Yuan Shikai, President (1912–1915)
Premiers (complete list) –
Tang Shaoyi, Premier (1912)
Lu Zhengxiang, Premier (1912)
Zhao Bingjun, Premier (1912–1913)
Duan Qirui, Acting Premier (1913)
Xiong Xiling, Premier (1913–1914)
Sun Baoqi, Acting Premier (1914)
Xu Shichang, Premier: Secretary of State (1914–1915)
Empire of China (1915–1916)
Emperor (complete list) –
Yuan Shikai, Emperor (1915–1916)
Premiers (complete list) –
Lu Zhengxiang, Premier (1915–1916)
Republic of China (1916–1949)
Presidents (complete list) –
Yuan Shikai, President (1916)
Li Yuanhong, President (1916–1917)
Feng Guozhang, President (1917–1918)
Xu Shichang, President (1918–1922)
Zhou Ziqi, Acting President (1922–1922)
Li Yuanhong, President (1922–1923)
Gao Lingwei, Acting President (1923)
Cao Kun, President (1923–1924)
Huang Fu, Acting President (1924)
Duan Qirui, President (1924–1926)
Hu Weide, Acting President (1926)
Yan Huiqing, Acting President (1926)
Du Xigui, Acting President (1926)
Wellington Koo, Acting President (1926–1927)
Zhang Zuolin, Generalissimo of the Military Government (1927–1928)
Tan Yankai, President (1928)
Chiang Kai-shek, Chairmen (1928–1931)
Lin Sen, Chairmen (1931–1943)
Chiang Kai-shek, Chairmen (1943–1948), President (1948–1949)
Premiers (complete list) –
Xu Shichang, Premier: Secretary of State (1916)
Duan Qirui, Premier (1916–1917)
Wang Daxie, Acting Premier (1917)
Wang Shizhen, Acting Premier (1917–1918)
Qian Nengxun, Acting Premier (1918–1919)
Gong Xinzhan, Acting Premier (1919)
Jin Yunpeng, Premier (1919–1920)
Sa Zhenbing, Premier (1920)
Jin Yunpeng, Premier (1920–1921)
Yan Huiqing, Acting Premier (1921)
Liang Shiyi, Premier (1921–1922)
Yan Huiqing, Acting Premier (1922)
Zhou Ziqi, Acting Premier (1922)
Yan Huiqing, Acting Premier (1922)
Wang Chonghui, Acting Premier (1922)
Wang Daxie, Acting Premier (1922)
Wang Zhengting, Acting Premier (1922–1923)
Zhang Shaozeng, Premier (1923)
Gao Lingwei, Premier (1923–1924)
Sun Baoqi, Premier (1924)
Wellington Koo, Acting Premier (1924)
Yan Huiqing, Acting Premier (1924)
Huang Fu, Acting Premier (1924)
Xu Shiying, Premier (1925–1926)
Jia Deyao, Acting Premier (1926)
Hu Weide, Acting Premier (1926)
Yan Huiqing, Acting Premier (1926)
Du Xigui, Acting Premier (1926)
Wellington Koo, Acting Premier (1926–1927)
Pan Fu, Premier (1927–1928)
Tan Yankai, Premier (1928–1930)
T. V. Soong, Premier (1930)
Chiang Kai-shek, Premier (1930–1931)
Chen Mingshu, Premier (1931–1932)
Sun Fo, Premier (1932–1932)
Wang Jingwei, Premier (1932–1935)
Chiang Kai-shek, Premier (1935–1938)
H. H. Kung, Premier (1938–1939)
Chiang Kai-shek, Premier (1939–1945)
T. V. Soong, Premier (1945–1947)
Chiang Kai-shek, Premier (1947)
Chang Ch'ün, Premier (1947–1948)
Weng Wenhao, Premier (1948)
Sun Fo, Premier (1948–1949)
He Yingqin, Premier (1949)
Republic of China: Taiwan
Presidents (complete list) –
Li Zongren, Acting President (1949–1950)
Yan Xishan, Acting President (1949–1950)
Chiang Kai-shek, President (1950–1975)
Premiers (complete list) –
Yan Xishan, Premier (1949–1950)
Chen Cheng, Premier (1950–1954)
People's Republic of China
Chairmen and General Secretaries of the Communist Party (complete list) and paramount leaders (complete list) –
Mao Zedong, Chairman (1945–1976), paramount leader (1949–1976)
Heads of state (complete list) –
Mao Zedong, Chairman (1949–1959)
Premiers (complete list) –
Zhou Enlai, Premier (1949–1976)
East Hebei Autonomous Council –
Puppet state of Japan
Yin Ju-keng, Chairman (1935–1937)
Chi Zongmo, Chairman (1937–1938)
Manchukuo
Head of State –
Puyi, Chief Executive (1932–1934), Emperor (1934–1945)
Prime ministers (complete list) –
Zheng Xiaoxu, Prime minister (1932–1935)
Zhang Jinghui, Prime minister (1935–1945)
Japan
Empire of Japan
Emperors (complete list) –
Meiji, Emperor (1867–1912)
Taishō, Emperor (1912–1926)
Hirohito, Emperor (1926–1989)
Prime ministers (complete list) –
Itō Hirobumi, Prime minister (1900–1901)
Saionji Kinmochi, Acting Prime minister (1901–1901)
Katsura Tarō, Prime minister (1901–1906)
Saionji Kinmochi, Prime minister (1906–1908)
Katsura Tarō, Prime minister (1908–1911)
Saionji Kinmochi, Prime minister (1911–1912)
Katsura Tarō, Prime minister (1912–1913)
Yamamoto Gonnohyōe, Prime minister (1913–1914)
Ōkuma Shigenobu, Prime minister (1914–1916)
Terauchi Masatake, Prime minister (1916–1918)
Hara Takashi, Prime minister (1918–1921)
Uchida Kosai, Acting Prime minister (1921–1921)
Takahashi Korekiyo, Prime minister (1921–1922)
Katō Tomosaburō, Prime minister (1922–1923)
Uchida Kosai, Acting Prime minister (1923–1923)
Yamamoto Gonnohyōe, Prime minister (1923–1924)
Kiyoura Keigo, Prime minister (1924–1924)
Katō Takaaki, Prime minister (1924–1926)
Wakatsuki Reijirō, Prime minister (1926–1927)
Tanaka Giichi, Prime minister (1927–1929)
Osachi Hamaguchi, Prime minister (1929–1931)
Kijūrō Shidehara, Acting Prime minister (1931–1931)
Osachi Hamaguchi, Prime minister (1931–1931)
Wakatsuki Reijirō, Prime minister (1931–1931)
Inukai Tsuyoshi, Prime minister (1931–1932)
Takahashi Korekiyo, Acting Prime minister (1932–1932)
Saitō Makoto, Prime minister (1932–1934)
Keisuke Okada, Prime minister (1934–1936)
Fumio Gotō, Acting Prime minister (1936–1936)
Keisuke Okada, Prime minister (1936–1936)
Kōki Hirota, Prime minister (1936–1937)
Senjūrō Hayashi, Prime minister (1937–1937)
Fumimaro Konoe, Prime minister (1937–1939)
Hiranuma Kiichirō, Prime minister (1939–1939)
Nobuyuki Abe, Prime minister (1939–1940)
Mitsumasa Yonai, Prime minister (1940–1940)
Fumimaro Konoe, Prime minister (1940–1941)
Hideki Tojo, Prime minister (1941–1944)
Kuniaki Koiso, Prime minister (1944–1945)
Kantarō Suzuki, Prime minister (1945–1945)
Prince Naruhiko Higashikuni, Prime minister (1945–1945)
Kijūrō Shidehara, Prime minister (1945–1946)
Shigeru Yoshida, Prime minister (1946–1947)
State of Japan
Emperors (complete list) –
Hirohito, Emperor (1926–1989)
Prime ministers (complete list) –
Tetsu Katayama, Prime minister (1947–1948)
Hitoshi Ashida, Prime minister (1948)
Shigeru Yoshida, Prime minister (1948–1949)
Korea
Korean Empire (complete list) –
Gojong, King (1863–1897), Emperor (1897–1907)
Sunjong, Emperor (1907–1910)
Japanese Korea, (complete list) –
Colony, 1910–1945
For details see the Japan under Eastern Asia
North Korea: Democratic People's Republic of Korea
Chairman of the Workers' Party (complete list) –
Kim Tu-bong, Chairman (1946–1949)
Prime Ministers (complete list) –
Kim Il Sung, Prime minister (1949–1972)
South Korea: Republic of Korea
Presidents (complete list) –
Syngman Rhee, President (1948–1960)
Prime ministers (complete list) –
Lee Beom-seok, Prime minister (1948–1950)
Shin Sung-mo, Acting Prime minister (1950)
Chang Myon, Prime minister (1950–1952)
Mongolia
Bogd Khanate of Mongolia
Khagans (complete list) –
Bogd Khan, Khagan (1911–1924)
Prime ministers (complete list) –
Tögs-Ochiryn Namnansüren, Prime minister (1919)
Gonchigjalzangiin Badamdorj, Prime minister (1919–1921)
Jalkhanz Khutagt Sodnomyn Damdinbazar, Prime minister (1921)
Manzushir Khutagt Sambadondogiin Tserendorj, Prime minister (1921)
Dogsomyn Bodoo, Prime minister (1921–1922)
Jalkhanz Khutagt Sodnomyn Damdinbazar, Prime minister (1922–1923)
Balingiin Tserendorj, Prime minister (1923–1924)
Mongolian People's Republic
Heads of state (complete list) –
Balingiin Tserendorj, Acting Head of state (1924)
Navaandorjiin Jadambaa, Chairman (1924)
Peljidiin Genden, Chairman (1924–1927)
Jamtsangiin Damdinsüren, Chairman (1927–1929)
Khorloogiin Choibalsan, Chairman (1929–1930)
Losolyn Laagan, Chairman (1930–1932)
Anandyn Amar, Chairman (1932–1936)
Dansranbilegiin Dogsom, Chairman (1936–1939)
Gonchigiin Bumtsend, Chairman (1940–1953)
Prime ministers (complete list) –
Balingiin Tserendorj, Prime minister (1924–1928)
Anandyn Amar, Prime minister (1928–1930)
Tsengeltiin Jigjidjav, Prime minister (1930–1932)
Peljidiin Genden, Prime minister (1932–1936)
Anandyn Amar, Prime minister (1936–1939)
Khorloogiin Choibalsan, Prime minister (1939–1952)
Russia
Far Eastern Soviet Republic
Heads of State (complete list) –
Alexander Krasnoshchyokov, Chairman of the Government (1920–1921)
Nikolay Matveyev, Chairman of the Government (1921–1922)
Chairmen of the Council of Ministers (complete list) –
Alexander Krasnoshchyokov, Prime minister (1920)
Boris Shumyatsky, Prime minister (1920–1921)
Pyotr Nikiforov, Prime minister (1921)
Nikolay Matveyev, Prime minister (1921–1922)
Pyotr Kobozev, Prime minister (1922)
Asia: Southeast
Brunei
Protectorate of Brunei (complete list) –
British protectorate, 1888–1984
Hashim Jalilul Alam Aqamaddin, Sultan (1885–1906)
Muhammad Jamalul Alam II, Sultan (1906–1924)
Ahmad Tajuddin, Sultan (1924–1950)
Omar Ali Saifuddien III, Sultan (1950–1967)
Cambodia
French Protectorate of Cambodia
Protectorate, 1863–1984, part of French Indochina 1887–1953
Japanese occupation of Cambodia 1941–1945
Kings (complete list) –
Norodom, King (1860–1904)
Sisowath, King (1904–1927)
Sisowath Monivong, King (1927–1941)
Norodom Sihanouk, King (1941–1955)
Prime ministers (complete list) –
Norodom Sihanouk, Prime minister (1945, 1950, 1952)
Son Ngoc Thanh, Prime minister (1945)
Sisowath Monireth, Prime minister (1945–1946)
Sisowath Youtevong, Prime minister (1946–1947)
Sisowath Watchayavong, Prime minister (1947–1948)
Chhean Vam, Prime minister (1948)
Penn Nouth, Prime minister (1948–1949, 1953)
Yem Sambaur, Prime minister (1949, 1949–1950)
Ieu Koeus, Prime minister (1949)
Sisowath Monipong, Prime minister (1950–1951)
Oum Chheang Sun, Prime minister (1951)
Huy Kanthoul, Prime minister (1951–1952)
Indonesia
Dutch East Indies (complete list) –
Dutch colony 1800–1811, 1816–1949
For details see the Netherlands under western Europe
Indonesia: Java
Sumenep –
Pangeran Pakunataningrat, Regent (1883–1901)
Pangeran Arya Prataming Kusuma, Regent (1901–1926)
Tumenggung Arya Prabuwinata, Regent (1926–1929)
Surakarta Sunanate (complete list) –
Pakubuwono X, Sultan (1893–1939)
Pakubuwono XI, Sultan (1939–1945)
Yogyakarta Sultanate (complete list) –
Hamengkubuwono VII, Sultan (1877–1921)
Hamengkubuwono VIII, Sultan (1921–1939)
Hamengkubuwono IX, Sultan (1939–1946)
Mangkunegaran (complete list) –
Mangkunegara VI, Sultan (1896–1916)
Mangkunegara VII, Sultan (1916–1944)
Mangkunegara VIII, Sultan (1944–1946)
Pakualaman (complete list) –
Pakualam VI, Sultan (1901–1902)
Pakualam VII, Sultan (1906–1937)
Pakualam VIII, Sultan (1937–1946)
Islamic State of Indonesia –
Sekarmadji Maridjan Kartosuwiryo, Imam (1949–1962)
Indonesia: Sumatra
Aceh Sultanate (complete list) –
Alauddin Muhammad Da'ud Syah II, Sultan (1874–1903)
Sultanate of Deli (complete list) –
Ma'mun Al Rashid Perkasa Alamyah, Sultan (1873–1924)
Amaluddin Sultan Al Sani Perkasa Alamsyah, Sultan (1924–1945)
Tuanku Sultan Otteman II, Sultan (1945–1946)
Sultanate of Langkat –
Abdul Aziz Abdul Jalil Rakhmat Shah, Sultan (1893–1927)
Mahmud Abdul Jalil Rakhmat Shah, Sultan (1927–1946)
Sultanate of Siak Sri Indrapura (complete list) –
Al-Sayyid al-Sharif Hashim Abdul Jalil Muzaffar Shah, Sultan (1889–1908)
Syarif Kasim II, Sultan (1915–1946)
Sultanate of Serdang (complete list) –
Al-Marhum Perbaungan, Sultan (1879–1946)
Riau-Lingga Sultanate (complete list) –
Abdul Rahman II Muazzam Shah, Sultan (1883–1911)
Jambi Sultanate –
Thaha Safiuddin, Sultan (1855–1858, 1900–1904)
Indonesia: Kalimantan (Borneo)
Sultanate of Bulungan –
Pengian Kesuma, Queen (1899–1901)
Kasimuddin, Sultan (20th century)
Datu Mansyur, Acting Sultan (1925–1930)
Maulana Ahmad Sulaimanuddin, Sultan (1930–1931)
Maulana Muhammad Jalaluddin, Sultan (1931–1950)
Pontianak Sultanate (complete list) –
Syarif Muhammad Alkadrie, Sultan (1895–1944)
Syarif Hamid II, Sultan (1945–1950)
Sultanate of Sambas (complete list) –
Muhammad Shafi ud-din II, Sultan (1866–1924)
Muhammad 'Ali Shafi ud-din II, Sultan (1924–1926)
Muhammad Tayeb, Chief of the Assembly Council (1926–1931)
Muhammad Ibrahim Shafi ud-din, Sultan (1931–1943)
Sultanate of Sintang –
Panembahan Kusuma Negara II, Panembahan (1889–1905)
Sri Paduka Tuanku Haji Gusti Adi 'Abdu'l-Majid ibni al-Marhum Panembahan Ismail, Panembahan Kusuma Negara III, Panembahan (1905–1913)
Ade Muhammad Jun 'Abdu'l-Kadir Pangeran Adipati Temenggong Setia Agama Wakil, Panembahan (1913–1934)
Panembahan Kusuma Negara IV, Panembahan (1934–1944)
Panembahan Kusuma Negara V, Panembahan (1944–1947)
Indonesia: Sulawesi
Sultanate of Gowa –
Husain, Sultan (1895–1906)
Muhammad Tahur Muhibuddin, Sultan (1936–1945)
Luwu –
Iskandar Opu Daeng Pali', Datu (1883–1901)
Andi Kambo, Datu (1901–1935)
Andi DJemma, Datu (1935–1965)
Indonesia: Lesser Sunda Islands
Kingdom of Larantuka –
Lorenzo II, Raja (c.1886–1904)
Bima Sultanate (complete list) –
Ibrahim, Sultan (1881–1915)
Muhammad Salahuddin, Sultan (1915–1949)
Indonesia: West Timor
Amanatun (complete list) –
Muti Banu Naek, Raja (c.1899–1915)
Kusa Banu Naek, Raja (1916–1919)
Kolo Banu Naek, Raja (1920–1946)
Lodeweyk Lourens Don Louis Banu Naek, Raja (1946–1962)
Amarasi (complete list) –
Rasi Koroh, Raja (1872–1887, 1892–1914)
Isaac Koroh, Raja (1914–1923)
Alexander Koroh, Raja (1923–1925)
Hendrik Arnold Koroh, Raja (1925–1949)
Amabi (complete list) –
Kusa, Raja (1895–1901)
Arnoldus, Raja (1901)
Junus Amtaran, Raja (1901–1903)
Kase Kome, Raja (1903–1912)
Jacob Ch.
The public source identifies “List of state leaders in the 20th century (1901–1950)” as wikimedia list article. This brief keeps that definition visible, then builds a research path around List, state and leaders.
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