Events
1877 - Asaph Hall discovers Deimos.
1883 - The last quagga (above) dies at the Artis Magistra zoo
1960 - Echo I, the first communications satellite, launched
1977 - The first free flight of the Space Shuttle Enterprise.
1990 - Sue, the most complete skeleton of a Tyrannosaurus rex, is discovered near Faith, South Dakota.
Births
1885 - Jean Cabannes, French physicist
1887 - Erwin Schrödinger, Austrian physicist, Nobel Prize Laureate
1919 - Vikram Sarabhai, Indian physicist
Deaths
1810 - Etienne Louis Geoffroy, French pharmacist and entomologist
1865 - William Jackson Hooker, English botanist
1914 - John Philip Holland, Irish submarine designer
1955 - James B. Sumner, American chemist, Nobel Prize Laureate
1973 - Walter Rudolf Hess, Swiss physiologist, Nobel Prize Laureate
1973 - Karl Ziegler, German chemist, Nobel Prize Laureate
1989 - William Shockley, American physicist, Nobel Prize Laureate