A large, brilliant fireball is seen by thousands in at least six U.S. states and Ontario, Canada as it streaks across the sky, reportedly dropping hot metal debris, starting grass fires, and causing sonic booms. It is generally assumed and reported by the press to be a meteor, however some witnesses claim to have approached the fallen object and seen an alien craft.

Ex-Beatle John Lennon is shot four times in the back and killed by Mark David Chapman in front of The Dakota apartment building in New York City. Chapman had been stalking Lennon since October, and earlier that evening Lennon had autographed a copy of his album Double Fantasy for him.

The Imperial Japanese Navy sends aircraft to attack the U.S. Pacific Fleet and its defending air forces at Pearl Harbor, Hawaii. While the U.S. lost battleships and other vessels, its aircraft carriers were not at Pearl Harbor and survived intact, robbing the Japanese of the total destruction of the Pacific Fleet they had hoped to achieve.

In Montreal, Canada, at the École Polytechnique, a gunman shoots twenty-eight young women with a semi-automatic rifle, killing fourteen. The gunman claimed to be fighting feminism, which he believed had ruined his life. After the killings he turns the gun on himself and commits suicide.