World War 1

Archduke Franz Ferdinand is assassinated

Jun 28, 1914

This sets world War 1 into motion.

World War 1

Period: Jun 28, 1914 to Jun 28, 1919

Germans sink the Lusitania

May 7, 1916

This was an unrestricted attack that killed over one thousand civilians and angered the United States.

The United States enters the War

Apr 6, 1917

Due to unrestricted submarine warfare the United States finally decided to join the battle against Germany.

Germany signs an armistice

Nov 11, 1918

This ceases the fighting and brings about the end of the war.

The Treaty of Versailles was signed

Jun 28, 1919

This was the official end of the war.