Austro-Hungarian Empire

Flag

Austro-Hungarian flag

1914 Map

Click on map for more detail

General facts

Population: 48.5 million (1914)
Capital: Vienna (1914 population 2 million)

Government

Head of State:
- Emperor Franz Joseph I (2 December 1848 – 21 November 1916)
- Emperor Karl I (21 November 1916 – 1921)
Head of Government:
- Prime Minister Count Karl von Stürgkh (3 November 1911 – 21 October 1916)
- Prime Minister Ernst von Koerber (29 October – 20 December 1916)
- Prime Minister Count Heinrich von Clam-Martinic (20 December 1916 – 23 June 1917)
- Prime Minister Ernst Seidler von Feuchtenegg (23 June 1917 – 27 July 1918)
- Prime Minister Baron Max Hussarek von Heinlein (27 July – 27 October 1918)
- Prime Minister Heinrich Lammasch (27 October – 11 November 1918)

Participation in the War

Entered the war: 28 July 1914 (Austria-Hungary declared war on Serbia)
Ceased hostilities: 4 November 1918 (armistice with the Allies)
Ended belligerent status: 10 September 1919 (Treaty of Saint-Germain-en-Laye signed between the Allies and the newly formed Republic of Austria); 4 June 1920 (Treaty of Trianon signed between the Allies and the newly formed Republic of Hungary)

The republics of Austria and Hungary were the ‘rump’ states left after the break-up of the Austro-Hungarian Empire saw the rest of its territory divided amongst Poland, Czechoslovakia, Yugoslavia, Italy and Romania. The two republics inherited the obligations of and responsibility for the empire's role as a belligerent in the war for the purposes of the Paris Peace Conference at Versailles.