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Franz Ferinand and his wife was shot and killed in Sarajevo by Gavrilo Princip. This event caused World War 1.
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Austria Hungary declared war on Serbia because they killed franz Ferianand.
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Germany mobilzes forces to start war on everybody.
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Germany declares war on Russia and France because they were both Allies of Serbia.
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Germany invades neterual Belgium to get closer to Paris.
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The British declare war on Germany because they were allies of Russia.
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Austria declare war on the Russians because the Russians were allies of Serbia.
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France and Britian declare war on Austria because Austria declared on Russia.
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Japan declares war on Germany
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The Battle of the Marne was going on from September 5-12.
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Ottoman Empire joins the war.
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The Germans blockcaded the British because they wanted to stop trading with the British and the Americans.
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Poison gas was first used by the Germans in combat. This must have sucked for the troops who didn't have gas masks they could either die or get seriously injuried and after the Germans used this gas masks became a must have for troops.
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German U-boats torpedoes the Lusitinia. This is when the Germans offered to pay for the damages to any Americans and offering a warning before shooting any netural ship.
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Italy joins the Allies.
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The first amored tank was used in combat. This was a major game changer because you couldn't stop the tank that easy.
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The battle of Verdun was the longest battle in WWI. It started in February 21- December 15 1916.
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The Battle of Somme happened between July 1 till November 18.
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The first submarine was used in combat. This was also a huge advance in techonology you can't hit what you can't see.
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The Zimmermann Telegram was intercepted by the British. The Zimmermann Telegram was when the Germans were trying to bring Mexico into the war but the British intercepted it and showed the Americans.
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The Russians overthrown their government and later ressigned the war. The Russian government was overthrown because some people didn't like the current government and changed it.
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President Wilson asks Congress for declartion of war.
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U.S declares war on Germany and joins the war. Because the Germans woundn't listen to the Americans demands and President Wilson finally had enough of the Germans attacking our ships.
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The Selective Service Act was people 18-45 year olds getting recuited to the U.S. army.
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The American Troops lands in France just as the French were giving up hope. All the French troops were so happy when the U.S troops arrived.
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Russia withdraws from the war because of the government change. The Russians withdrew from the war when the government changed.
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WWI ends.
