Portal:History of science/Selected anniversaries/March 13
- 1720 - Birth of Charles Bonnet, Swiss naturalist and writer (d. 1793)
- 1733 - Birth of Joseph Priestley, English scientist and minister (d. 1804)
- 1773 - Death of Philibert Commerçon, French naturalist and explorer (b. 1727)
- 1781 - William Herschel discovers Uranus
- 1855 - Birth of Percival Lowell, American astronomer (d. 1916)
- 1899 - Birth of John Hasbrouck van Vleck, American physicist, Nobel laureate (d. 1980)
- 1930 - The news of the discovery of Pluto is telegraphed to the Harvard College Observatory
- 1945 - Birth of Anatoly Timofeevich Fomenko, Russian mathematician
- 2003 - Human evolution: The journal Nature reports that 350,000-year-old footprints of an upright-walking human have been found in Italy