The US Mariner 9 was launched – it went on to become the first satellite to orbit Mars.
Source
Andrew Jackson killed Charles Dickinson in a duel.
The first 1,000 Royal Air force bomber raid dropped 38 thousand tons of bombs on Cologne, Germany.
Spain officially became the 16th member of NATO.
Finding Nemo, directed by Andrew Stanton, was released in the US & Canada.
Seth MacFarlane's 'A Million Ways to Die in the West' was released to theaters.