- 1660 English Convention Parliament meets and votes to restore Charles II
- 1792 Guillotine first used in France, executes highwayman Nicolas Pelletier
- 1846 Thornton Affair: Open conflict begins over the disputed border of Texas, triggering the Mexican-American War
- 1945 “Elbe Day” – US and Soviet forces meet at Torgau, Germany on the Elbe River during the invasion of Germany in WWII
- 1953 Francis Crick and James Watson’s discovery of the double helix structure of DNA is published in “Nature” magazine
- 1954 Bell labs announces the 1st Solar Battery made from silicon. It has about 6% efficiency.
- 1990 Hubble space telescope is placed into orbit by shuttle Discovery