Queen Elizabeth II had hip surgery at King Edward VII Hospital.
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Spanish conquistadors captured Atahualpa, the last Inca emperor.
The Soviet Union's Venera 3 space probe was launched from the Baikonur Cosmodrome.
Call of Duty: Black Ops 2 earned a staggering $500 million within 24 hours of release.
The fourth largest diamond was found in Karowe Mine, Botswana.
Oklahoma became the 46th state to join the United States of America.