Question: how much territory did the ottoman empire cover
Answer: 1299 Interregnum 1402 -- 1414 Transformation to empire 1453 1st Constitutional 1876 -- 1878 2nd Constitutional 1908 -- 1920 Raid on the Sublime Porte 23 January 1913 Sultanate abolished 1 November 1922 Republic of Turkey established 29 October 1923 Caliphate abolished 3 March 1924 Area 1683 5,200,000 km ( 2,000,000 sq mi ) 1914 1,800,000 km ( 690,000 sq mi ) Population 1856 est .