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Start of World War I
Franz Ferdinand was assassinated and countries declared war on each other -
Germany sinks Lusitania
Killed 120 Americans, leaning America to Allies side -
Battle of Somme
1st battle to have tanks. Allies gained very little territory -
Russian Revolution
Pulled Russia out of the war. Revolution made Russia Communist -
US enters the war
The Zimmermann Telegram pulled America into the war -
Signing of Treaty of Versailles
Caused Germany to pay for war and cut its military
