The Act of Union joined England and Scotland to form Great Britain.
Orson Welles's Citizen Kane, considered by many the greatest film ever made, premiered in New York.
The Soviet Union shot down an American U-2 reconnaissance plane over Soviet territory.
Elvis Presley married Priscilla Beaulieu. (They divorced in 1973.)
44-year-old Texas fireballer Nolan Ryan hurled his seventh and final no-hitter in a 3-0 victory over the Toronto Blue Jays. That same day, Oakland's Rickey Henderson broke Lou Brock’s stolen base record.