On this date in 1953, the summit of Mount Everest was first reached – by climbers Edmund Hillary of New Zealand and Tenzing Norgay of Nepal.

On this date in 1970, Ohio soldiers shot students of Kent State University who protested the U.S.-Vietnam War, killing four students and wounding nine others.

On this date in 1960, the Soviet Union shot down an American U-2 reconnaissance airplane and captured its pilot, Francis Powers.