First World War

Assassination of the Archduke Francis ferdinand of Austria

Jun 28, 1914

A group of serbia kill the archduke of Austria

Austria ultimatum to Serbia

Jul 23, 1914

austria give to serbia a warning of war

Austria declares war to serbia

Jul 28, 1914

Russia mobilizes

Jul 29, 1914

German ultimatum to Russia

Jul 31, 1914

Germany give a warning of war on Russia

Germany declares war to Russia

Aug 1, 1914

the Germans troops declareas war on Russia

Germany declares war on France

Aug 3, 1914

german troops invade belgium

Aug 4, 1914

Great Britains deaclares war on Germany

Aug 4, 1914

Britains declares war on German