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First attack of the Confederation that started the war.
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One of the most important battles of the Civil War.
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The explosion of the USS Maine was the incident which caused the Spanish-American War.
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Because of the Assassination of Franz Ferdinand Austria-Hungary declares the war on Serbia. As a result World War I began.
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The most momentous stock market crash in the history of the United States which caused the Great Depression.
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The beginning of Hitler's tyranny which caused the Holocaust and WWII.
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The German invasion which was the beginning of WWII.
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A Military strike of the Japanese Navy which causes America's entry into the Secound World War.
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Confrontation between the Soviet Union and the USA, which almost caused an escalation during the Cold War.
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The Fall of the Berlin Wall was an important step to the end of the Cold War, which followed two years later.
