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Archduke Ferdinand and his wife are killed by serbian terrorist which started the war
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Germany decided to invade France by starting to invade Belgium.
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French with the help of British who landed in France few days earlier and German forces collide along the eastern borders of France and southern Belgium.
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This British boat is sunk by German and over 1200 people died. They were civilians and there were american citizens which lead to a diplomatic crisis between Germany and US
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The tsar began to take control of his army and led his army to a lot of casualties because of the lack of development and ineffective military strategies of Nicholas II. His bad decisons will lead his country to the revolution to change the leader of Russia
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This was the first time that the British used poison gas in the war. British troops release 140 tons of chlorine gas into the German lines. The attack failed and the Allied counted 50,000 causalities
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One of the biggest battle during WWI. This battle cost 160000 men in the Allied side. Verdun was very important to defend because it was the last protection before Paris.
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This battle was an Allied offensive aimed to take back their land. Like Verdun the number of dead was enormous but the Allied managed to win this offensive
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At the battle of the Somme, for the first time, the mass uses of tanks happened
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After ineffective policies, russian people started the revolution with Lenin. This revolution stop the russian involvment in WWI which was a bad news for Allied who were hoping in the russian help
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After many american casualties by Germany, US decided to declare war and help Allied
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Wilson's peace plan to end WWI. It calls for free trade, an end to secret pacts between nations, freedom of the seas, arms reduction, and the creation of a world organization called the League of Nations
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At 11 am, the war was ended. Millions of people died and were injured in this war
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the peacemakers summoned representatives of the new German Republic to the palace of Versailles outside Paris. The Germans were ordered to sign the treaty drawn up by Allies. German reparations would come to over $30 billion dollars. They were forced to assume full responsibility for causing the war.
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United States Senate fails to ratify Treaty of Versailles becuase they did not want to be a part of the League of Nation
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United States Senate fails to ratify Treaty of Versailles again
