On May 20, 325, the First Council of Nicaea formally opened, marking one of the most consequential gatherings in the history of Christianity. Convened by the Roman emperor Constantine, the council brought together bishops from across the empire to settle a theological dispute that…
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Operation Redwing was a series of 17 nuclear test detonations conducted by the United States at the Pacific Proving Grounds on Bikini and Enewetak Atolls in the Marshall Islands, between May and July of 1956. The operation, overseen by the Atomic Energy Commission (AEC) and carried out…
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In May 1919, the American businessman, Raymond Orteig, wanted to promote the first flight across The Atlantic Ocean. He announced, “As a stimulus to the courageous aviators, I desire to offer … a prize of $25,000 to the first aviator of any Allied country…
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On May 19, 1962, President John F. Kennedy arrived at Madison Square Garden for what was officially billed as a birthday celebration. Kennedy would not turn 45 until May 29, but the Democratic Party turned the occasion into something larger than a private tribute.…
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May 19, 1780 started like any other day. The sun rose, farmers went to work, shopkeepers opened their stores, and people moved about their morning routines. But by late morning, across much of New England and parts of eastern Canada, something strange began to…
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On May 19, 1883, Buffalo Bill Cody, an iconic figure of the American West, unveiled his grand spectacle, Buffalo Bill’s Wild West, in Omaha, Nebraska. This event marked the beginning of a revolutionary form of entertainment that combined elements of theater, circus, and historical…
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On May 18, 1896, the United States Supreme Court handed down one of the most infamous decisions in American constitutional history. In Plessy v. Ferguson, the Court ruled that racial segregation did not violate the Constitution so long as the facilities provided to Black…
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On May 18, 1933, as the economic catastrophe of the Great Depression continued to erode confidence in the American system, President Franklin D. Roosevelt signed into law the Tennessee Valley Authority Act—a legislative cornerstone of the New Deal and a radical assertion of federal…
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The Republican National Convention of 1860, held from May 16 to May 18 in the bustling city of Chicago, changed the course of American history and led the nation down the road to the Civil War. This convention, taking place in the specially constructed…
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On May 17, 1900, L. Frank Baum gave the first copy of The Wonderful Wizard of Oz to his sister, Mary Louise Baum Brewster, marking the quiet beginning of one of the most enduring works in American children’s literature. The book, first published in…
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