Mariner IX took two photos of Mars’ north pole.
Source
The Provisional Irish Republican Army attempted to assassinate British Prime Minister Margaret Thatcher.
Organized by the Columbian Order, the first recorded 'Columbus Day' was celebrated on this day.
The six billionth living human being was born.
President Theodore Roosevelt changed the name of the 'Executive Mansion' to 'The White House.'
The cosmetics company CoverGirl featured their first-ever boy on the cover.
