Portal:History of science/Selected anniversaries/June 22

June 22
 * 1429 - death of Ghiyath al-Kashi, Persian astronomer and mathematician (b. 1380)
 * 1633 - The Holy Office in Rome forces Galileo Galilei to recant his view that the Sun, not the Earth, is the center of the Universe.
 * 1744 - birth of Johann Christian Polycarp Erxleben, German naturalist (d. 1777)
 * 1864 - birth of Hermann Minkowski, German mathematician (d. 1909)
 * 1887 - birth of Julian Huxley, British biologist (d. 1975)
 * 1892 - death of Pierre Ossian Bonnet, French mathematician (b. 1819)
 * 1925 - death of Felix Klein, German mathematician (b. 1849)
 * 1990 - death of Ilya Frank, Russian physicist and Nobel laureate (b. 1908)
 * 2004 - death of Bob Bemer, American computer scientist (b. 1920)
 * 2006 - The newly discovered moons of Pluto are officially named Hydra and Nix by the International Astronomical Union.