World War 1 By s900481 Period: Jun 12, 1914 to Aug 22, 1914 First Battle of Marne FIRST BATTLE OF THE MARNE Jun 28, 1914 Assassination of Archduke Ferdinand Assassination of Archduke Ferdinand Jul 28, 1914 Austria-Hungary declares war on Serbia Austria-Hungary declares war on Serbia Aug 4, 1914 World War I Begins World War I Begins 1915 The Gallipoli campaign The Gallipoli campaign Apr 22, 1915 Germans Fire Germans Fire Oct 16, 1915 France declares war on Bulgaria [France declares war on Bulgaria](https://me.me/i/extra-extra-the-onion-war-declared-by-all-austria-declares-16436970 Period: Feb 21, 1916 to Dec 18, 1916 BATTLE OF VERDUN BATTLE OF VERDUN Mar 9, 1916 Germany declares war on Portugal Germany declares war on Portugal Period: May 31, 1916 to Jun 1, 1916 Jutland JUTLAND Period: Jul 1, 1916 to Nov 18, 1916 BATTLE OF THE SOMME BATTLE OF THE SOMME Nov 11, 1918 Armistice Day Armistice Day Jun 28, 1919 Treaty of Versailles Treaty of Versailles
