Queen Elizabeth II had hip surgery at King Edward VII Hospital.
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American singer Mario released his hit single 'Let Me Love You.'
The Soviet Union's Venera 3 space probe was launched from the Baikonur Cosmodrome.
The fourth largest diamond was found in Karowe Mine, Botswana.
Spanish conquistadors captured Atahualpa, the last Inca emperor.
The Model M Postage Meter was put into commercial use.
