The English army's defeat at Formigny on April 15, 1450, came near the end of which long war?

Which compound, endorsed by the U.S. Public Health Service in 1950, is added to many public water supplies to prevent t… On April 11, 1951, President Truman relieved which general of his commands in the Far East? Which Founding Father lived from April 13, 1743, to July 4, 1826? In 1828, Noah Webster published what kind of landmark reference book for American English? April 1644, when rebels captured Beijing, is regarded as the last month of which Chinese dynasty's rule? On April 18, 1980, which country became the independent nation of Zimbabwe? In April 1956, which ruler of Monaco married American film star Grace Kelly? April 21 is a Rastafarian holiday marking Ethiopian emperor Haile Selassie's 1966 visit to which island?