This article is about the year 1722.
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Year 1722 (MDCCXXII) was a common year starting on Thursday (link will display the full calendar) of the Gregorian calendar and a common year starting on Monday of the 11-day slower Julian calendar.
- The Silence Dogood letters appear, written by Benjamin Franklin.
- Edenton is incorporated as the county seat of Chowan County, North Carolina. The governor and assembly of North Carolina move to Edenton, making it the de facto capital of North Carolina until 1746, when the government is moved to New Bern.
- Peter the Great of Russia creates the Table of Ranks.
- A small group of Bohemian Brethren (the "Hidden Seed") from northern Moravia are allowed to settle in a new village, Herrnhut, on the Berthelsdorf estate of the pietist Count Nicolaus Zinzendorf in Upper Lusatia (Saxony), forming the Herrnhuter Brüdergemeine, seed of the Moravian Church's renewal.
- Foundation ot the first public theatre in Denmark, Lille Grönnegade in Copenhagen.
- Modern music theory finds definition in Jean-Philippe Rameau's Traité de l'harmonie réduite à ses principes naturels ("Treatise on Harmony"), published in Paris.
- Johann Sebastian Bach composes The Well-Tempered Clavier.
- January 3 – Fredric Hasselquist, Swedish naturalist (d. 1752)
- January 12 – Nicolas Luckner, Marshal of France (d. 1794)
- January 26 – Alexander Carlyle, Scottish church leader (d. 1805)
- February 19 – Tiphaigne de la Roche, French author (d. 1774)
- April – Joseph Warton, English poet and critic (d. 1800)
- April 11 – Christopher Smart, English poet (d. 1771)
- April 12 – Pietro Nardini, Italian composer (d. 1793)
- May 11 – Petrus Camper, Dutch anatomist (d. 1798)
- May 29 – James FitzGerald, 1st Duke of Leinster, Irish politician (d. 1773)
- July 16 – Joseph Wilton, English sculptor (d. 1803)
- August 9 – Augustus William, Prince of Prussia (d. 1758)
- August 11 – Richard Brocklesby, English physician (d. 1797)
- September 1 - Karl Gotthelf von Hund, German Freemason (d. 1776)
- September 5 – Frederick Christian, Elector of Saxony (d. 1763)
- September 16 – Gabriel Christie, British general (d. 1799)
- September 22 – John Home, Scottish dramatist (d. 1808)
- September 27 – Samuel Adams, American revolutionary leader (d. 1803)
- October 2 – Leopold Widhalm, Austrian luthier (d. 1776)
- November 5 – William Byron, 5th Baron Byron, English dueler (d. 1798)
- November 19
- November 30 – Theodore Gardelle, Swiss painter and enameler (d. 1761)
- December 30 – Charles Yorke, Lord Chancellor of Great Britain (d. 1770)
- date unknown – Flora MacDonald, Scottish heroine (d. 1790)
- probable – Hyder Ali, Indian general and Sultan of Mysore (d. 1782)
- January 21 – Charles Paulet, 2nd Duke of Bolton, English supporter of William III of England (b. 1661)
- January 29 – Carl Gustav Rehnskiöld, Swedish military leader (b. 1651)
- February 5 – Eleonore d'Esmier d'Olbreuse, Duchess of Braunschweig-Lüneburg (b. 1639)
- February 10 – Bartholomew Roberts, Welsh pirate (b. 1682)
- March 11 – John Toland, Irish philosopher (b. 1670)
- March 31 – Eberhard von Danckelmann, Prime Minister of Brandenburg-Prussia (b. 1643)
- April 13 – Charles Leslie, Irish Anglican theologian (b. 1650)
- April 21 – Robert Beverley, Jr., historian of Colonial Virginia (b. 1673)
- May 20 – Sébastien Vaillant, French botanist (b. 1669)
- June 5 – Johann Kuhnau, German composer (b. 1660)
- June 16
- September 18 – André Dacier, French classical scholar (b. 1651)
- November 20 – Johann Adam Reinken, German organist (b. 1643)
- December 20 – Kangxi Emperor of China (b. 1654)
- December 23 – Pierre Varignon, French mathematician (b. 1654)