Events
1935 - Edwin Armstrong presents his paper "A Method of Reducing Disturbances in Radio Signaling by a System of Frequency Modulation."
Deaths
1771 - John Bevis, English physician and astronomer
1822 - Claude Louis Berthollet, French chemist
1964 - Hans von Euler-Chelpin, German-born chemist and Nobel Prize laureate
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Events
1946 - ENIAC, the first general-purpose electronic computer, unveiled at the University of Pennsylvania.
Births
1564 - Galileo Galilei, Italian astronomer and physicist
1809 - André Dumont, Belgian geologist
1861 - Charles Edouard Guillaume, French physicist and Nobel Prize laureate
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February 15th
1564 - Birth of Galileo Galilei, Italian astronomer and physicist
1809 Birth of André Dumont, Belgian geologist
1847 - Death of Germinal Pierre Dandelin, Belgian mathematician
1849 - Death of Pierre François Verhulst, Belgian mathematician
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Events
1609 - Galileo Galilei demonstrates his first telescope to Venetian lawmakers.
1894 - Shibasaburo Kitasato discovers the infectious agent of the bubonic plague and publishes his findings in The Lancet.
1981 - Voyager 2 spacecraft makes its closest approach to Saturn
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Events
1862 - The first pasteurization test completed by Louis Pasteur and Claude Bernard.
1902 - Pierre and Marie Curie refine radium chloride.
Births
1745 - Philippe Pinel, French physician
1904 - George Stibitz, American scientist
1918 - Kai Siegbahn, Swedish physicist, Nobel Prize laureate
1927…