The treaty negotiated between the Allies and the Ottoman Empire at the end of WWI liquidated the Ottoman Empire and virtually abolished Turkish sovereignty, but nationalists under the leadership of Mustafa Kemal Atatürk were committed to establishing a sovereign Turkish state. During the struggle for independence, Atatürk pushed for the creation of a national assembly, which declared itself the supreme governing power when convened in 1920. When did it formally declare the sovereignty of Turkey? Discuss
Source: The Free Dictionary