Magellan reaches the Pacific, William Shakespeare gets hitched, the Grand Ole Opry debuts, Olympic gymnast Nadia Comaneci defects, and Jeffrey Dahmer is killed in prison, all on this day.
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Win McNamee/Reuters
1999: Hsing-Hsing, a giant panda who arrived at the National Zoo in Washington, D.C., in 1972 as a symbol of U.S.-China detente, is euthanized at age 28 because of deteriorating health.