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Kaiser declares "open season"
German uses boats to sink all ships -
Assassination of Franz Ferdinand
A serbian teenage nationalist guns down Franz Ferdinand -
Great War begins
World War 1 begins -
US declares war on Germany
The United States declares war with Germany -
Lusitania sunk
Germans sank Lusitania, which was a civilian ship carrying Americans on board -
Battle of the Somme
First battle of World War 1 -
Wilson re-elected
Wilson re-elected -
Zimmerman note intercepted
Germany tells Mexico to declare war on Germany -
Selective Service Act
A compulsory enlistment of men to join the army -
Convoy system
Ships travel in packs for a greater chance of survival -
Espionage Age passed
People are not allowed to speak freely during wartime -
Fourteen Points speech
A speech made by Woodrow Wilson -
Russia pulls out of the war
Russia has a revolution and is forced to leave war -
Sedition Act passed
Designed to protect America's participation in World War 1 -
Germany signs armistice
It ended the fighting on the Western Front -
Flu Epidemic 1918-1919
A extremely dangerous type of Influenza
