World War I timeline.

Jun 28, 1914

Assassination Archduke Ferdinand

Assassination of Ferdinand
Jul 28, 1914

Austria-Hungary declares war on Serbia

Austria-Hungary declares war
Period: Sep 6, 1914 to Sep 12, 1914

First Battle of Marne

Battle of Marne
May 7, 1915

Lusitania Sinks

Lusitania Sinks
May 23, 1915

Italy declares war on Austria-Hungary

Italy declares war
Period: Feb 21, 1916 to Dec 18, 1916

Battle of Verdun

Verdun Battle
Period: May 31, 1916 to Jun 1, 1916

Battle of Jutland

Jutland Battle
Period: Jul 1, 1916 to Nov 18, 1916

Battle of the Somme

Somme Battle
Jan 16, 1917

Zimmerman Telegram

Zimmerman Telegram
Apr 6, 1917

The United States declares war on Germany.

The US declares war
Period: Aug 8, 1918 to Aug 11, 1918

Battle of Amiens

Amiens Battle
Nov 9, 1918

Wilhelm Abdicates

Wilhelm Abdicates
Nov 11, 1918

Armistice Day

Armistice Day
Jun 28, 1919

Signing of the Treaty of Versailles

Signing of Versailles

Assassination Archduke Ferdinand