1655
| Years: 1652 1653 1654 - 1655 - 1656 1657 1658 | |
| Decades: 1620s 1630s 1640s - 1650s - 1660s 1670s 1680s | |
| Centuries: 16th century - 17th century - 18th century 1655 in topic: | |
Events
- New Sweden (Delaware) attacked and captured by Dutch forces.
- The Bibliotheca Thysiana is erected, the only surviving 17th century example in the Netherlands of a building that was designed as a library.
- March 25 - Saturn's largest moon, Titan, is discovered by Christian Huygens.
- March 25 - English Civil War Battle of the Severn: A largely Protestant militia defeats a largely Catholic militia for control of Maryland
- April 7 - Fabio Chigi becomes Pope Alexander VII
- April - Admiral Robert Blake severely damages the arsenal of the Bey of Tunis.
- Emperor Go-Sai ascends to the throne of Japan
Births
- May 13 - Pope Innocent XIII (d. 1724)
- November 24 - King Charles XI of Sweden (d. 1697)
- Zumbi, runaway slave in Brazil (d. 1695)
Deaths
- January 5 - Pope Innocent X (b. 1574)
- June 27 - Eleonore Gonzaga, wife of Ferdinand II, Holy Roman Emperor (b. 1598)
- October 24 - Pierre Gassendi, French philosopher, mathematician, and scientist (b. 1592)