Portal:History of science/Selected anniversaries/May 14
- 1701 - Birth of William Emerson, English mathematician (d. 1782)
- 1761 - Death of Thomas Simpson, British mathematician (b. 1710)
- 1796 - Edward Jenner administers the first smallpox vaccination.
- 1804 - The Lewis and Clark Expedition departs from Camp Dubois and begins its historic journey by traveling up the Missouri River.
- 1832 - Birth of Rudolf Lipschitz, German mathematician (d. 1903)
- 1899 - Birth of Pierre Victor Auger, French physicist (d. 1993)
- 1973 - Skylab, the United States' first space station, is launched. It is the last launch of the Saturn V rocket.
- 1995 - Death of Christian B. Anfinsen, American chemist and Nobel Prize laureate (b. 1916)