This Day in Geek History: September 15
1616
The first free public school in Europe to allow non-aristocrats to attend opens in Frascati, Italy.
1835
Charles Darwin reaches the Galápagos Islands aboard the HMS Beagle.
1910
Cosmic radiation is first suggested as the subject of a paper published in Physikalische Zeitchrift by amateur physicist Theodor Wulf. He reports the results of four days of observations he made the previous Spring from the top of the Eiffel Tower. He suggests that the Earth is under constant bombardment from radiation from outer space, from sources other than the Sun.
1916
The first tanks, the British D1 tanks, are used for the first time in history at the Battle of the Somme, during World War I.
1928
A.H. Renfell and Captain Rickards demonstrate the first robot manufactured in Britain at the Model Engineering Exhibition in London, England.
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