World War 1 By zoe_1999 Jul 28, 1914 Austria-Hungary declares war on Serbia Period: Jul 28, 1914 to Nov 11, 1918 World War 1 Aug 1, 1914 Germany declares war on Russia and France and invades Belgium Aug 4, 1914 Britain declares war on Germany Sep 15, 1914 Trench warfare begins in Western Europe Apr 25, 1915 The Anzacs land at Galipolli Dec 1, 1915 The Allies withdraw from Gallpoli Oct 28, 1916 The first referendum on conscription is held in Australia Apr 6, 1917 The USA enters the war Nov 7, 1917 Revolution in Russia leads to Russian withdrawal from the war Nov 11, 1918 The Armistice signed, ends the fighting
