Category
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Constantinople
Constantinople (see other names) was a historical city located on the Bosporus, which served as the capital of the Roman, Byzantine, Latin, and Ottoman empires between its consecration in 330 and the formal abolition of the Ottoman sultanate in 1922. Constantinople was founded in 324, initially as New Rome, during the reign of Constantine the Great on the site of the existing settlement of Byzantium and in 330 became the capital of the Roman Empire. Following the collapse of the Western Roman Empire in the late 5th century, Constantinople remained the capital of the Eastern Roman Empire (also
Rouran Khaganate
state established by proto-Mongols, from the late 4th century until the middle 6th century
Great Palace of Constantinople
Byzantine imperial palace complex
Mausoleum of Helena
ancient building in Rome, Italy, built by the Roman emperor Constantine I between 326 and 330