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19-year-old Gavrilo Princip assassinated Ferdinand and his wife Sophie.
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Kaiser Wilhelm II of Germany’s unconditional promise to defend Austria-Hungary if Russia attacked it while Austria was invading Serbia.
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First event that started the first truly global war.
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The Germans attacked on August 3rd. The next day, Great Britain declared war on Germany.
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The Germans surrounded parts of the Russian army and captured over 100,000 Russian prisoners.
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British Royal Navy baited German warships in Helgoland Bight out to sea, where British forces sank three of the German ships with few losses of their own.
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The Allies counterattacked against the German forces, with little success. The Germans then attacked the French lines, but their attack failed.
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An engagement on September 9–14, 1914, in which two German armies under the command of General Paul von Hindenburg defeated Russia’s First Army under General Paul von Rennenkampf. Russia suffered 125,000 casualties.
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engagement in which the German East Asia Squadron defeated a weaker British squadron off the coast of Argentina.
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British decimated the German East Asia Squadron during an attack on the Falkland Islands in the South Atlantic.
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Britain invaded Turkey’s Gallipoli Peninsula as part of its effort to force open the Dardanelles, the strait between Europe and Asia.
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128 American citizens were among the 1,200 passengers of the liner Lusitania, sunk by a German submarine.
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Verdun was the longest battle and one of the most devastating in the First World War.
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the largest sea battle in naval warfare history in terms of the numbers of battleships and battlecruisers engaged, bringing together the two most powerful naval forces in existence at that time.
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the loss of 58,000 British troops (one third of them killed) on the first day of the battle
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Germany was attacking ships heading to Britain. The U.S. wanted wanted to stay neutral, but if Germany kept attacking U.S. passenger ships the U.S. would be proud to fight.
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Russia withdrew from World War I because it was in the middle of its Communist revolution and when the Communists took control they wished to concentrate on internal affairs.
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A series of German attacks along the western front, this was the deepest advances by either side since 1914.
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an armistice was signed in a railroad car parked in a French forest near the front lines at 5am on November 11, 1918.