Julius Martov
Russian politician (1873–1923)

Yuliy Osipovich Tsederbaum (24 November 1873 – 4 April 1923), better known as Julius Martov, was a Russian Marxist theorist, revolutionary, and a leader of the Mensheviks, the minority faction of the Russian Social Democratic Labour Party (RSDLP). A close friend and collaborator of Vladimir Lenin in the early years of their revolutionary careers, he became his chief rival after the RSDLP split at its Second Congress in 1903.
Born into a middle-class, assimilated Jewish family in Constantinople, Martov became a Marxist activist in the Russian Empire in the early 1890s. With Lenin, he co-founded the League of Struggle for the Emancipation of the Working Class in 1895. Both were arrested shortly after and exiled to Siberia. After his exile, Martov joined Lenin and Georgy Plekhanov in founding the party newspaper Iskra, which became the primary organ of the RSDLP. At the Second Party Congress, Martov's proposal for the definition of party membership, which was broader and more inclusive than Lenin's, was passed. However, after several delegates walked out, Lenin's faction won a vote on the composition of the party's Central Committee, leading to the historic split between Lenin's Bolsheviks ("majority-ites") and Martov's Mensheviks ("minority-ites").
As the leader of the Mensheviks, Martov developed a distinct political philosophy. During the 1905 Russian Revolution, he argued that Russia was only ready for a "bourgeois revolution" and that socialists should remain an opposition force, not seize power. He was a leading internationalist voice during World War I, playing a key role in the Zimmerwald movement that opposed the war.
“Julius Martov” enters the record as russian politician (1873–1923). Crown Archives preserves that source wording while asking what Julius, Martov and Russian can confirm, complicate or overturn.
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Chronology provides the most reliable spine for this subject; interpretation should follow only after identities and dates are secure. The source revision retrieved here is dated Sep 19, 2026. The linked authority identifier is Q215505. VIAF identifies the subject as 46815006. The Library of Congress control number is n85809946. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1873, 1923, 1903 and 1895.
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