On 11 November 1922, at the Conference of Lausanne, the sovereignty of the Grand National Assembly exercised by the Government in Angora (now Ankara) over Turkey was recognized.
The last sultan, Mehmed VI, departed the Ottoman capital, Constantinople (now Istanbul), on 17 November 1922 aboard HMS Malaya.
The legal position was solidified with the signing of the Treaty of Lausanne on 24 July 1923 and the proclamation of the Republic of Turkey on 29 October 1923.
The partitioning of the Ottoman Empire began with the Treaty of London (1915)[1] and continued with multiple agreements, mostly unilateral among the Allies.
British troops began to occupy the key buildings of the Empire and arrest nationalists after the establishment of military rule on the night of 15 March 1920.
The strategic goal of the Caliphate army and of the British was to prevent the National Forces advancing towards the Bosporus straits.
[3] On 1 November 1922, the Grand National Assembly declared that the Sultanate's Constantinople government was no longer the legal representative.
After hearing of the resolution, Mehmed VI sought refuge aboard the British warship Malaya on 17 November.
The Conference of Lausanne, on 11 November 1922, recognized the sovereignty of the Grand National Assembly of Turkey replacing the Ottoman Empire.
Abdülmecid II's title was challenged in 1916 by the leader of the Arab Revolt King Hussein bin Ali of Hejaz, who denounced Mehmet V, but his kingdom was defeated and annexed by Ibn Saud in 1925.
An exile list was also created and put into effect by the Republic of Turkey[a] on 23 April 1924 (revised on 1 June 1924) which included the names of 120 adherents of the deposed Ottoman dynasty.