Archduke Frenz Ferdinand and wife are assassinated by Serbian nationalists
Austria-Hungary declares war on Serbia
Germany declares war on Russia
Germany declares war on France
The United Kingdom declares war on Germany
Austria-Hungary declares war on Russia
The Battle of Tannenberg begins on the 17th of August and ends on the 22nd of September
Japan declares war on Germany
The first battle of Marne begins on the 5th of September and ends on the 12th of September, 1914.
The Battle of Ypres begins on the 19th of October, and lasts till the 22nd of November 1914.
Russia declares war on the Ottoman Empire
An unofficial Christmas truce is declared for the 24th and 25th of December 1914.
The Dardanelles Campaign begins
The second battle of Ypres begins on April 22nd and ends on May 25th 1915.
The battle of Gallipoli begins
The Battle of Verdin beings
The battle of Jutland begins on May 31st and ends of June 1st, 1916.
The battle of Somme begins
Italy declares war on Germany
The United States declares war on Germany
The battle of Passchendaele begins
The United States declares war on Austria-Hungary
Russia signs armistice with Germany
Russia signs Treaty of Bret Litovsk between Russia and the Central Powers
The second battle of Marne begins on July 15th and ends on August 8th, 1918
The Ottoman Empire signs armistice of Mudros
Austria-Hungary signs armistice with Italy
Germany signs the armistice at Compine, France. The fighting stops on the 11th day, of the 11th month, on the 11th hour.
The treaty of Versailles is signed and ratified officially ending World War 1.