1721
1721 was a common year.
| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 17th century – 18th century – 19th century |
| Decades: | 1690s 1700s 1710s – 1720s – 1730s 1740s 1750s |
| Years: | 1718 1719 1720 – 1721 – 1722 1723 1724 |
Events
- Pope Innocent XIII becomes pope
- Johann Sebastian Bach composes the Brandenburg Concertos
- April 4 – Robert Walpole becomes the first Prime Minister of the United Kingdom
- September 10 – Treaty of Nystad is signed, bringing an end to the Great Northern War
- November 2 – Peter I is proclaimed Emperor of All the Russias
Births
- April 19 - Roger Sherman, signer of the American Declaration of Independence (d. 1803)
Deaths
- July 18 - Antoine Watteau, French painter (b. 1684)
- September 2 - Kwon Sang-ha, Korean writer
- September 17 - Marguerite Louise d'Orléans, Grand Duchess of Tuscany
- December 13 - Alexander Selkirk, Scottish sailor (original "Robinson Crusoe") (b. 1676)