Column of Arcadius
Roman triumphal column in Constantinople (Istanbul, Turkey)

The Column of Arcadius (Greek: Στήλη του Αρκαδίου, Turkish: Arkadyos Sütunu or Avrat Taşı) was a Roman triumphal column in the forum of Arcadius in Constantinople built in the early 5th century AD. The marble column was historiated with a spiralling frieze of reliefs on its shaft and supported a colossal statue of the emperor, probably made of bronze, which fell down in 740. Its summit was accessible by an internal spiral staircase. Only its massive masonry base survives.
It is known as the Avret Taş in Turkish and is located on Haseki Kadın Sokak in the Fatih district of Istanbul. It is now mostly surrounded by modern buildings.
History
The column and forum of Arcadius were on the Seventh Hill of Constantinople, also known as the Xerolophos (Greek Ξηρόλοφος). The column's construction was begun after 401 to commemorate Arcadius's triumph over the Goths under the renegade magister militum Gainas in the wars of 399–401. Arcadius died in 408, but the column was only completed in 421, so the forum of Arcadius and its column was sometimes referred to by the name of his son and successor Theodosius II. It was destroyed in the 1719 earthquake.
Inspired by the Column of Constantine erected the previous century by his predecessor and the city's founder Constantine I, the Column of Theodosius had been set up by Arcadius's father Theodosius I in the forum Tauri in the 380s and follows the tradition of triumphal columns established by those of Trajan and Marcus Aurelius.
During the Ottoman Empire, the monument was ascended and measured, in secret, by Petrus Gyllius and described in his De Topographia Constantinopoleos et de illius antiquitatibus libri IV. He described the shaft as being composed of 21 large blocks; only one at the base survives.
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