Leads to the world war I
Nearly 1,2OO people, including 128 American citizens die when a German submarine sinks the lusitania.
Avoiding war helps President Wilson win relection.An estimated one million soldiers are killed and wounded in the Battle of Verdun.
The United States enters teh war. The russian Revolution begins.
An influenza epidemic kills millions worldwide.
The Senate rejects the Treaty of Versailles.
The United States signs in peace treaty with germany.