Monday, April 20, 2009

Today in History - 20 April

1993 Uranus passes Neptune (once every 171 years)

1940 1st electron microscope demonstrated (RCA), Philadelphia, Pa

1926 1st check sent by radio facsimile transmission across Atlantic

1879 1st mobile home (horse drawn) used in a journey from London and Cyprus

1841 1st detective story (Poe's "Murders in Rue Morgue") published

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