1691
| Years: 1688 1689 1690 – 1691 – 1692 1693 1694 | |
| Decades: 1660s 1670s 1680s – 1690s – 1700s 1710s 1720s | |
| Centuries: 16th century – 17th century – 18th century 1691 in topic: | |
Events
- March 5 – French troops under Marshal Louis-Francois de Boufflers besiege the Spanish-held town of Mons
- March 29 – Siege of Mons ends to the city’s surrender
- October 3 – Treaty of Limerick which guaranteed civil rights to catholics was signed. (it was broken "before the ink was dry")
- Change of emperor of the Ottoman Empire from Suleiman II (1687-1691) to Ahmed II (1691-1695).
- Michel Rolle invents Rolle's theorem, an essential theorem of mathematics.
Births
- October 28 – Peder Tordenskjold, Norwegian naval hero (d. 1720)
Deaths
- Suleiman II, Sultan, Ottoman Empire (b. 1642)
- January 13 – George Fox, English founder of the Society of Friends (b. 1624)
- February 1 – Pope Alexander VIII (b. 1610)
- December 30 – Robert Boyle, Irish chemist (b. 1627)
Categories: 1691