World War I

Archduke Franz Ferdinand killed

1914

Political instability in the Balkans threatened to destroy some agreements they had with the Ottoman power and Russia.
https://www.history.com/topics/world-war-i/world-war-i-history

Germany declares war

Aug 1, 1914

https://www.britannica.com/list/timeline-of-world-war-i

Battle of the Marne begins

Sep 6, 1914

https://www.britannica.com/list/timeline-of-world-war-i

Britain and France declare war on Ottoman Empire

Nov 5, 1914

https://www.britannica.com/list/timeline-of-world-war-i

Battle of Ypres begins

Apr 22, 1915

https://www.britannica.com/list/timeline-of-world-war-i

Lusitania is torpedoed by Germans

May 17, 1915

https://www.britannica.com/list/timeline-of-world-war-i

Battle of Verdun begins

Feb 21, 1916

https://www.britannica.com/list/timeline-of-world-war-i

Battle of Somme begins

Jul 1, 1916

https://www.britannica.com/list/timeline-of-world-war-i

Tsar Nicholas II take the thrown in Russia

Mar 15, 1917

https://www.britannica.com/list/timeline-of-world-war-i

U.S declares war on Germany

Apr 6, 1917

https://www.britannica.com/list/timeline-of-world-war-i

Maria Bochkareva forms the Women's Battalion

May 16, 1917

https://spartacus-educational.com/FWWchronology.htm

Greece declares war on the Central Power

May 29, 1917

https://spartacus-educational.com/FWWchronology.htm

British attack on Messines

Jun 7, 1917

https://spartacus-educational.com/FWWchronology.htm

Sir Frederick Maude dies in Mesopotamia

Nov 18, 1917

https://spartacus-educational.com/FWWchronology.htm

Mass tank attack on Cambrai

Nov 20, 1917

https://spartacus-educational.com/FWWchronology.htm

German U-boats hit U.S water

May 25, 1918

https://spartacus-educational.com/FWWchronology.htm

Treaty of Versailles signed

Jun 28, 1918

https://spartacus-educational.com/FWWchronology.htm

Battle of Le Hamel

Jul 4, 1918

https://spartacus-educational.com/FWWchronology.htm

Tsar Nicholas and his family murdered by the Bolsheviks

Jul 16, 1918

https://spartacus-educational.com/FWWchronology.htm

Battle of Amiens begins

Aug 8, 1918

https://spartacus-educational.com/FWWchronology.htm