may 7, 1915 - Sinking of the Lusitania

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The sinking of the RMS Lusitania occurred on May 7, 1915, when the British ocean liner was torpedoed by a German U-boat off the coast of Ireland, resulting in the deaths of 1,198 passengers, including 128 Americans. This event outraged American public opinion, significantly shifting sentiment towards involvement in World War I, and was a critical factor in the United States' eventual decision to enter the war against Germany in 1917.

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