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World War 1 Begins
Archduke Ferdinand was assassinated by Gavrilo Princip. Austria-Hungary blamed Serbia. -
Gas
The Germans fire shells of gas at the Allied forces. This is the first time gas was used in WW1. -
Lusitania Falls
Germans sink the ship Lusitania. It was carrying over 100 Americans. -
Tanks
British brings the first tanks ever in battle. Help soldiers cross no mans land safer. -
Submarines
Germany begins unrestricted warfare with submarines again. This brings the U.S. closer to war. -
Zimmerman Note
Note from Germany to Mexico asking for Mexico to declare war on America. Greatly enrages the U.S. -
U.S. Enters
U.S. joins the war. This gave the Allies a great advantage. -
Enlisted
The Selective Service Act made the draft. This allowed us to get many troops for our cause. -
German and Russian Peace
Germans sign a treaty with Russia. This gave land to Germany. -
World War 1 Ends
World War 1 comes to an end with Germany signing the armistice. The war lasted four years.