world war 1

archeduke ferdinand

Jun 28, 1914

Archduke Ferdinand

Austria-Hungary declares war on Serbia

Jun 28, 1914

Austria-Hungary declares war on Serbia

Germany declares war on Russia.

Aug 1, 1914

Germany declares war on Russia

The United Kingdom declares war on Germany, after Germany invades Belgium

Aug 4, 1914

The United Kingdom declares war on Germany, after Germany invades Belgium

World War I Begins

Aug 4, 1914

[ World War I Begins](ttps://www.telegraph.co.uk/history/world-war-one/11006820/World-War-One-how-the-events-of-August-4-1914-unfolded.html)

First Battle of the Marne

Period: Sep 6, 1914 to Sep 10, 1914

First Battle of the Marne

Lusitania Sinks

May 7, 1915

Lusitania Sinks

Battle of Verdun

Period: Feb 21, 1916 to Dec 15, 1916

Battle of Verdun

Battle of the Somme

Period: Jul 1, 1916 to Nov 18, 1916

Battle of the Somme

First tanks

Sep 15, 1916

First tanks

Battle of Passchendaele

Period: Jul 31, 1917 to Nov 10, 1917

[Battle of Passchendaele](ttps://nationalpost.com/news/the-worst-place-on-earth-images-from-the-battle-of-passchendaele)

Second Battle of the Marne

Period: Jul 15, 1918 to Aug 6, 1918

Second Battle of the Marne

Armistice Day

Nov 11, 1918

Armistice Day

Treaty of Versailles

Period: Jun 28, 1919 to Jan 21, 1920

[Treaty of Versailies]