On March 31, 1968, at the conclusion of a nationally broadcast address on Vietnam, President Lyndon B. Johnson stunned listeners by declaring, I shall not seek, and I will not accept, the nomination of my party for another term as your President.
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In 1492, King Ferdinand and Queen Isabella of Spain issued an edict expelling Jews from Spanish soil, except those willing to convert to Christianity.
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In 1889, French engineer Gustave Eiffel unfurled the French tricolor from atop the Eiffel Tower, officially marking its completion.
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In 1917, the United States took formal possession of the Virgin Islands from Denmark.
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In 1923, the first U.S. dance marathon, held in New York City, ended with Alma Cummings, who had danced with six consecutive male partners, setting a world record of 27 hours on her feet.
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In 1933, President Franklin D. Roosevelt signed the Emergency Conservation Work Act, which created the Civilian Conservation Corps.
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In 1943, Oklahoma!, the first musical play by Richard Rodgers and Oscar Hammerstein II, opened on Broadway.