Also on this day: A group of Spanish missionaries settles in present-day San Francisco. Laura Ingalls becomes the first woman to fly across the United States as she completes a nine-stop journey from Roosevelt Field, N.Y., to Glendale, Calif.The first generator at Boulder (later Hoover) Dam begins transmitting electricity to Los Angeles.
Pope Pius XII dies at age 82, ending a 19-year papacy. (He would be succeeded by Pope John XXIII.) Marxist revolutionary guerrilla leader Che Guevara, 39, is executed by the Bolivian army a day after his capture.
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