In 1520: Portuguese navigator Ferdinand Magellan reached the Pacific Ocean after passing through the South American strait that now bears his name.
In 1895: The first automobile race took place between Chicago and Waukegan, Ill. The winner, James Franklin Duryea, collected $2,000 from the Chicago Times-Herald.
In 1925:, The Grand Ole Opry, Nashville’s famed home of country music, made its radio debut on station WSM.
In 1990: Margaret Thatcher resigned as prime minister of Britain during an audience with Queen Elizabeth II, who conferred the premiership on John Major.
In 1994: Serial killer Jeffrey Dahmer was murdered in a Wisconsin prison by a fellow inmate.