1946 - ENIAC, the first general-purpose electronic computer, unveiled at the University of Pennsylvania.
1564 - Galileo Galilei, Italian astronomer and physicist
1809 - AndrÃ© Dumont, Belgian geologist
1861 - Charles Edouard Guillaume, French physicist and Nobel Prize laureate
1675 - John Flamsteed appointed first Astronomer Royal of England.
1774 - First sighting of Orion Nebula by William Herschel.
1822 - Birth of Jules Antoine Lissajous, French mathematician
1835 - Birth of John Hughlings Jackson, English neurologist
1847 - Birth of Karl Bayer, Austrian…
1962 - Ranger 4 spacecraft crashes into the Moon.
1994 - Physicists announce first evidence of the top quark subatomic particle.
1774 - Christian Leopold von Buch, German geologist
1785 - John James Audubon, French-American naturalist and illustrator
1879 - Owen Willans Richardson,…
1704 - Birth of Louis Godin, French astronomer
1857 - Death of André Dumont, Belgian geologist
1878 - Birth of Pierre Fatou, French mathematician
1896 - Birth of Philip Showalter Hench, American physician, Nobel laureate
1901 - Birth of Linus Pauling, American chemist, Nobel laureate…