Question: when did the ottoman empire begin and end

title: Timeline of the Ottoman Empire
text: Year Date Event 1908 July 3 Second Constitutional Era ( Young Turk revolution ) October 5 Bulgaria obtains full independence . October 7 Austria - Hungary annexes Bosnia by mere declaration . 1912 The Ottomans are defeated by Italy in a short war , with the Italians gaining Libya and ending the 340 - year Ottoman presence in North Africa . November 28 First Balkan War : Albania declares independence 1913 May 17 First Balkan War : The Ottoman Empire is nearly wiped out from Europe , save for Istanbul and just enough land around to defend it . 1914 August 2 The Empire enters into World War I on the side of the Central Powers . Cyprus is annexed outright by Britain . 1915 April 24 The Ottoman Empire initiates forced deportation of Armenians . 1915 April 25 The Gallipoli Campaign : Britain unsuccessfully invades the Dardanelles in Turkey . 1920 August 10 Treaty of Sèvres . Rejected by Turkish nationalists and eventually leads to the abolition of the monarchy by the Government of the Grand National Assembly based in Ankara . 1922 November 1 Abolition of the Ottoman dynasty by Republic of Turkey . 1923 July 24 Treaty of Lausanne signed . 1924 March 3 Abolition of the Caliphate by Grand National Assembly of Turkey