-
Archduke Franz Ferdinand of Austria-Hungary assassinated in Sarajevo by a Serbian activist. This historic event sparked the start of World War One
\ -
Austria-Hungary declares war on Serbia. This was the first country to declare war in World War One
-
-1 September 1914, Austrian invasion of Russian Poland. The fighting between Russia and Austria-Hungary heats up.
-
Cited, maybe legendarily, as the day trenches are first dug on the Western Front.
-
- December 17: Battles of Limanowa, in which Austrian forces save their lines and prevent Russia attacking Vienna.
-
Germany forms a southern army to support the faltering Austrians.
-
Italy joined the Allies. The Central Powers lost an ally, but the Allies gained an important one.
-
-July15, 1915: The German 'Triple Offensive' begins, aiming to destroy the Russian army.
-
'The Great Retreat' is ordered - Russian forces pull back out of Poland (currently part of Russia), taking machinery and equipment with them.
-
After the failure of the Austrian 'Black Yellow' offensive, Germany takes over ultimate control of Austro-Hungarian forces.
-
German, Austro-Hungarian and Bulgarian forces push the Serbian army into exile; Serbia falls.
-
- June 10, 1916: Austrian Trentino Offensive against Italy, no gains.
-
-October 17, 1916: The Brusilov Offensive, an initially successful assault shatters the Austrian army.