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This is the spark of WWI.A Serbian nationalist assassinated Archduke Ferdinand and his wife.
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The war begins when Austria-Hungary declares war on Serbia.
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European countries declare war on each other. The central and allied powers start to form.
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The RFC was presented as the start of the war and aircraft then was improvised from there. British was the first country in the war to present the aircraft.
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Machine guns were introduced into war and it made it easier for the soldiers to fire down their opponents easier. Britain was the first one to use it.
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Submarines are implemented in WWI, by Germany. When they decide to attack merchant ships.
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Germany introduces the poison gas by launching a chlorine attack. Around 5,000 French and Algerian troops were killed.
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A German U-boat torpedoed a passenger ship, Lusitania and caused it to sink. There was a total of 1.198 death, 128 being Americans.
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In order to keep America out of the war, Germany limits submarines. Submarines were used to keep American ships from reaching France and Britain.
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A promise made to the U.S. by Germany where its stated that armed merchant ships would be tiptoed without warning, but not the passenger ships.
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Tanks were useful to pass through barbed wire and clear the path, but it wasn't as effective as it was expected to be. The British were the first to employ this weapon.
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Unrestricted submarine warfare is resumed by Germany in European body of water's.
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Germany states in the telegram for Mexico to attack the U.S. from the south and in return they will get all their stolen land back.
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Russia leaves the war due to the Russian revolution.
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The U.S. enters war with the allies.
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Final offensive by the Allies. It is one of the most deadliest battles. The allied soldiers attacked a heavily fortified German position. It is one of the most important battles,
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Germany signed an armistice which ended the war.
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The treaty ended the state of war between Germany and the allied powers.