A 13-year-old boy and his 11-year-old cousin opened fire outside their school in Jonesboro, Ark., killing four students and a teacher and injuring 10.
Oil tanker Exxon Valdez runs aground in Prince William Sound, Alaska. The mishap resulted in one of the most devastating environmental disasters in history, killing up to 250,000 seabirds and other wildlife.
Millions watch NASA spacecraft Ranger 9 crash into the Moon. The U.S. space probe broadcast live pictures back to Earth, enabling TV viewers to follow its approach to the Moon and its controlled crash.