Mark David Chapman pleaded guilty to the murder of John Lennon in New York.
Source
The first Dairy Queen restaurant opened in Joliet, Illinois, US.
The state of Florida banned thong bikinis at some state parks.
The Royal Observatory in Greenwich, England, was founded by King Charles II.
United States Naval Observatory astronomer James Christy discovered Pluto's largest moon.
Stevie Wonder released his first single, 'Fingertips,' at age 13.
