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On This Day in History: March 15
- In 44 B.C., Julius Caesar was assassinated in Rome in March, stabbed to death by Brutus, Cassius, and other Roman senators.
- In 1493, Christopher Columbus returned to Spain after completing his first voyage to the New World.
- In 1770, 14-year-old Wolfgang Amadeus Mozart completed his String Quartet No. 1 (K. 80) in Lodi, Lombardy, during a tour of the Duchy of Milan.
- The first Test match at the Melbourne Cricket Ground began in 1877, with Australia defeating England by 45 runs in four days.
- In 1906, Henry Rolls, Charles Royce and Claude Johnson officially founded Rolls-Royce Limited, formalising their partnership.
- In 1913 Woodrow Wilson held the first US presidential press conference.
- In 1916, General John J. Pershing led 15,000 U.S. troops into Mexico in pursuit of Pancho Villa.
- In 1922, Sultan Fuad was proclaimed King of Egypt as Britain officially recognised Egypt’s independence.
- In 1930, the US Navy’s first streamlined submarine, the USS Nautilus, was launched.
- In 1937, the first US hospital-based blood bank was established at Cook County Hospital in Chicago, Illinois.
- In 1946 British Prime Minister Clement Attlee acknowledged India’s right to independence.
- In 1949, cricket legend Don Bradman was knighted by Australia’s Governor-General W.J. McKell in the Queen’s Hall of Parliament House in Melbourne.
- In 1956, Whipper Billy Watson defeated Lou Thesz in Toronto to win the NWA Wrestling Championship.
- In 1958, Oscar Robertson of the Cincinnati Royals set a Midwest area record by scoring 56 points in an NBA game.
- In 1962, Wilt Chamberlain became the first player to score 4,000 points in a single NBA season.