On 4 March 1919 it replaced the Provisional National Assembly based on the 1911 Imperial Council elections.

The National Assembly adopted the Habsburg Act, ratified the Treaty of Saint-Germain, which sealed the collapse of Cisleithania and demanded Austria's independence from Germany.

In its last meeting on 1 October 1920, the assembly created the Constitution of Austria, which is still in effect.

[1][2][3] It was the first time that women in Austria had suffrage in national elections.

The previous rotation between the three chairpersons of the National Assembly became defunct; the President of the National Assembly, Karl Seitz, served as head of state until the election of the first President of Austria on 9 December 1920.