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On this day: April 25

Published On: Apr 23 2013 05:10:32 PM CDT   Updated On: Apr 25 2013 01:00:00 AM CDT

The guillotine is first used, American and Soviet troops cut Nazi Germany in two, a U.S. Navy submarine completes the first submerged circumnavigation of the globe, and the Hubble Space Telescope is launched, all on this day.

OTD April 25 - Guglielmo Marconi
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Library of Congress

1874: Guglielmo Marconi, the electrical engineer and inventor who invented the wireless telegraph known today as radio, is born in Palazzo Marescalchi, Bologna, Italy.

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