World War 1

Assassination of Archduke Francis Ferdinand

Jun 28, 1914

Archduke Francis Ferdinand is assassinated by Gavrilo Princip in Sarajevo

Austria Gives Serbia an Ultimatum

Jul 23, 1914

Serbia must, end all anti-Austrian activities, let Austria officials handle the murder investigation, and they have 48 hours to meet these terms.

Austria Declares War

Jul 28, 1914

Because of the assassination of Ferdinand that was committed by the Serbs, Austria declares war on Serbia

Battle of Tannenberg

Aug 26, 1914

The first battle of World war 1 begins. This battle was fought on the Eastern Front.

First Battle of Marne

Sep 5, 1914

This battle was fought on the Western Front.

Lusitania Sinks

May 7, 1915

Lusitania is torpedoed without warning by a German submarine off the south coast of Ireland.

Battle of Jutland

May 31, 1916

This battle was the biggest naval engagement of World War 1.

Zimmermann Note

Jan 19, 1917

The Zimmermann Note was sent in January, 1917 from the German Foreign Office in that proposed a military alliance between Germany and Mexico.

Battle of Somme

Jul 1, 1918

Fought between July 1 and November 1, 1918 near the Somme River in France, it was also one of the bloodiest military battles in history.

Armistice Day

Nov 11, 1918

World War 1 was offically over.