History's greatest showman is born, a war begins, and two of man's greatest inventions are unveiled, all on this day.
2012: The Shard in London, England, is inaugurated as the tallest building in Europe, with a height of 1,020 feet over 87 stories.
Enrique Castro-Mendivil / Reuters
U.S. National Archives
REUTERS/ Stefano Rellandini
U.S. Air Force
iStock / damircudic
Warner Bros. Television
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