Wikipedia:Selected anniversaries/May 14
On May 14:
- 1264 - Henry III of England was captured in the Battle of Lewes.
- 1796 - Edward Jenner administered the first smallpox vaccination.
- 1804 - The Lewis and Clark Expedition departed on their journey up the Missouri River.
- 1973 - NASA launched Skylab, the United States' first space station.
- 1998 - The series finale of the television sitcom Seinfeld aired on NBC.