Major Events
- Jan 18 English King William III travels to The Hague
- Feb 17 Thomas Neale granted English patent for American postal service
- Apr 9 French troops occupy Mons
- Jun 12 Pope Innocent XII succeeds Alexander VIII
- Jun 28 Siege of Cuneo ends in a French defeat and a loss of 700–800 troops after Imperial cavalry arrives to relieve forces led by Duke of Savoy Victor Amadeus II (Nine Years' War)
- Jul 12 Antonio Pignatelli elected as Pope Innocentius XII
- Jul 12 Battle of Aughrim (Aghrim) Ireland, William III beats James II
- Jul 22 Battle at Aghrim: English/Dutch army beats France
- Aug 16 Yorktown, Virginia founded
- Aug 19 Battle at Slankamen: "the Bloodiest battle of the Century" Austrian Hapsburg force defeats Ottoman army, killing Grand Vizer Köprülü Fazıl Mustafa Pasha
- More 1691 Events
Born in 1691
- Jan 28 Johann Balthasar König, German Baroque composer, mainly of hymn music, born in Cannstatt, Duchy of Württemberg, Holy Roman Empire (d. 1758)
- Feb 27 Edward Cave, English editor and publisher (Gentlemen's Magazine, coined term "magazine"), born in Newton, England (d. 1754)
- Apr 9 Johann Matthias Gesner, German classical scholar, born in Roth, Bavaria, Germany (d. 1761)
- Jun 14 Jan Francisci, Slovak organist and composer, born in Neusohl, Kingdom of Hungary (now Banská Bystrica, Slovakia) (d. 1758)
- Jun 17 Giovanni Paolo Pannini, Italian painter and architect, born in Piacenza, Duchy of Parma and Piacenza (now Italy) (d. 1765)
More People Born in 1691
Who Died in 1691
- Jan 13 George Fox, English dissenter, founder of the Quakers, dies in London at 66
- Jan 20 Christiaan de Placker, Flemish poet and composer, dies at 77
- Feb 1 Alexander VIII [Pietro Ottoboni], Italian Pope (1689-91), dies at 80
- Feb 1 George Etherege, English stage writer (Love in a Tub), dies at 56
- Feb 8 Carlo Rainaldi, Italian architect and composer, dies at 79
More 1691 Deaths
Louis XIV
Peter the Great