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.
Courtesy of NOAA/Institute for Exploration/University of Rhode Island
David Shankbone/Wikimedia Commons
Warner Bros. Television
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