The city of Havana, Cuba, celebrated its 500th birthday.
Nineteen countries vowed to gradually phase out coal at the United Nations Summit in Bonn, Germany.
The fourth largest diamond was found in Karowe Mine, Botswana.
Call of Duty: Black Ops 2 earned a staggering $500 million within 24 hours of release.
The Twilight Saga: New Moon premiered in Los Angeles.
American singer Mario released his hit single 'Let Me Love You.'
Rapper Dr. Dre released his second album, 'The Chronic 2001.'
Queen Elizabeth II had hip surgery at King Edward VII Hospital.
The Skylab 4 mission was launched by NASA, taking a crew of three astronauts to the US space station.
The Soviet Union's Venera 3 space probe was launched from the Baikonur Cosmodrome.
The Model M Postage Meter was put into commercial use.
Oklahoma became the 46th state to join the United States of America.
The Great White Fleet began its worldwide navigation.
The first edition of America's oldest newspaper, The New York Evening Post, was published.
Spanish conquistadors captured Atahualpa, the last Inca emperor.
Due to mosquito infestations, the city of Havana was relocated to its final location.
