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The assassination of Archduke Franz Ferdinand of Austria, heir presumptive to the Austro-Hungarian throne, and Franz Ferdinand's wife Sophie, Duchess of Hohenberg, occurred on 28 June 1914 in Sarajevo when they were mortally wounded by Gavrilo Princip.
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Weapons that were used in trench warfare.
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On the 7 May 1915, a German U-boat sunk the British luxury liner, the RMS Lusitania. 1,198 people lost their lives, including 128 Americans. Its sinking caused moral outrage both in Britain and in the US and led, ultimately, to the USA declaring war against Germany.
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1917 message British intercepted from the German government to the Mexican government offering German support if Mexico declared war against the U.S. and offered to return land Mexico had lost to the U.S.
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an uprising that destroyed the Tsarist (Czar) autocracy and led to the rise of communism and the Soviet Union in Russia.
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The date of US entry into WW 1 was April 6, 1917 when the nation was drawn into World War 1 on the side of the Allies. The United States of America entered the conflict, two and a half years after the war had begun on July 28, 1914, and declared war on Germany on April 6, 1917.
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Major part of the final Allied offensive of WWI that stretched along the entire Western Front with lasted 47 days and brought an end to WWI. Largest battle in U.S. military history, involving 1.2 million American soldiers, and was also one of the deadliest.
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A state of peace agreed to between opponents so they can discuss peace terms.
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A peace plan that was easy on the German’s punishment for WWI and included: people all over the world are to determine their own fate (self-determination), no colonial powers grabbing nations, free trade, no secret pacts, freedom of the seas, arms reduction, and creation of the League of Nations.
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The treaty imposed on Germany by the Allied powers in 1919 after the end of World War I which blamed Germany for the war and demanded exorbitant reparations from the Germans.
