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• 1882-Germany, Italy and Austria-Hungary form the Triple Alliance.Before this there was the dual alliance between Austria and Germany. Italy joined this alliance in 1882, forming the Triple Alliance
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the Triple Entente was formed in result to the forming of the Triple Alliance.
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britain launched the first dreadnought class battleship, starting an arm race between britain and germany
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Archduke Franz Ferdinand is assassinated in Sarajevo. His death is what sparks the start of WW1
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World War 1 officially started when Austria-Hungary declared war on Serbia. When the war started the conflict was small but other countries like Germany, Russia, Great Britain, and France were all drawn into the war, largely because they were involved in treaties that obligated them to defend certain other nations
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Britain declares war on Germany after Germany invade Belgium(who are neutral)
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Britain military forces crossed to france to attempt to halt the German advance
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the first trenches ever used on the western front. Gone are the days of mobile warfare.
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the unofficial christmas treaty is formed and put into affect
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Germany resumes the unrestricted submarine warfare in European waterways
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the Dardanelles Campaign begins
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The Germans fire shells filled with chlorine gas at allied forces. first time that large amounts of gas had been used during battle
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Australian troops land on the Gallipoli peninsula
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german submarine sinks the passenger liner the Lusitania
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the british deploy the first tanks ever used in battle . They used these tanks in a battle at delville wood
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after the sinking of the Lusitania as many other liners . The Kaiser Willhelm suspends the unrestricted use of submarine warfare. This is used as an effort to keep the United States out of the war
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United States congress authorizes a declaration of war against Germany. The U.S enters the war on the side of Britain and France
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Germany and Russia’s new Bolshevik government sign a peace treaty. The treaty gives Germany large amount of tracts of land that had been the Ukraine and Poland
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The battle of Cantigny is the first American offensive of the war
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An Armistice is signed ending the fighting on the Western front