|Centuries:||17th century – 18th century – 19th century|
|Decades:||1690s 1700s 1710s – 1720s – 1730s 1740s 1750s|
|Years:||1726 1727 1728 – 1729 – 1730 1731 1732|
|1729 by topic:|
|Arts and Sciences|
|Archaeology – Architecture – Art – Literature (Poetry) – Music – Science|
|Canada –Denmark – France – Great Britain – Ireland – Norway – Russia – Scotland –Sweden –|
|Lists of leaders|
|Colonial governors – State leaders|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Ab urbe condita||2482|
|British Regnal year||2 Geo. 2 – 3 Geo. 2|
|Chinese calendar||戊申年 (Earth Monkey)
4425 or 4365
— to —
己酉年 (Earth Rooster)
4426 or 4366
|- Vikram Samvat||1785–1786|
|- Shaka Samvat||1650–1651|
|- Kali Yuga||4829–4830|
|Japanese calendar||Kyōhō 14
|Julian calendar||Gregorian minus 11 days|
|Minguo calendar||183 before ROC
|Thai solar calendar||2271–2272|
|Wikimedia Commons has media related to 1729.|
1729 (MDCCXXIX) was a common year starting on Saturday (dominical letter B) of the Gregorian calendar and a common year starting on Wednesday (dominical letter E) of the Julian calendar, the 1729th year of the Common Era (CE) and Anno Domini (AD) designations, the 729th year of the 2nd millennium, the 29th year of the 18th century, and the 10th and last year of the 1720s decade. As of the start of 1729, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1918.
- March 23 (evening) – Première performance of Johann Sebastian Bach's First Köthen Funeral music at St. Jakob, Köthen in honor of the funeral of his former employer Leopold, Prince of Anhalt-Köthen.
- March 24 (morning) – Première performance of Johann Sebastian Bach's funeral cantata Klagt, Kinder, klagt es aller Welt, BWV 244a at St. Jakob, for the same event as the previous day.
- April 15 – Repeat performance of Johann Sebastian Bach's St Matthew Passion, BWV 244b at St. Thomas Church, Leipzig.
- July 25 – Seven of the original eight Lords Proprietor sell their tracts within the Province of Carolina back to the British crown. The Province is permanently divided and reorganized into the Royal Colonies of North Carolina and South Carolina.
- July 30 – Baltimore, Maryland is founded.
- August 1 – The Comet of 1729, possibly the largest comet, with the highest apparent magnitude, on record, is discovered by Fr. Nicolas Sarrabat, a professor of mathematics at Marseille.
- September 29–October 5 – Battle of Damghan: The Persians under Nader Shah defeat the Afghans and their allies.
- November – Completion of the first (wooden) Putney Bridge as the only fixed crossing of the River Thames between London Bridge and Kingston in England.
- November 9 – The Treaty of Seville is signed between Great Britain, France, Spain and the Dutch Republic.
- November 29 – Natchez revolt: The worst Indian massacre to take place on Mississippi soil occurs when Natchez people kill 138 Frenchmen, 35 French women, and 56 children at Fort Rosalie (near modern-day Natchez, Mississippi).
- The third oldest settlement in Mississippi, Port Gibson, is founded.
- A fire in Istanbul destroys 12,000 houses and kills 7,000 inhabitants.
- Jonathan Swift (anonymously) publishes his satire A Modest Proposal.
- January 12
- January 22 – Gotthold Ephraim Lessing, German author and philosopher (d. 1781)
- May 2 – Catherine the Great of Russia (d. 1796)
- August 10 – William Howe, 5th Viscount Howe, British general (d. 1814)
- September 6 – Moses Mendelssohn, German Jewish philosopher (d. 1786)
- November 17 – Maria Antonia Ferdinanda of Spain, Queen consort of Sardinia (d. 1785)
- November 21 – Josiah Bartlett, Second Signer of the Declaration of Independence (d. 1795)
- November 12 – Louis Antoine de Bougainville, French navigator and military commander (d. 1811)
- November 24 – Alexander Suvorov, Russian general (d. 1800)
- date unknown
- January 19 – William Congreve, English playwright (b. 1670)
- January 31 – Jacob Roggeveen, Dutch explorer (b. 1659)
- March 2 – Francesco Bianchini, Italian philosopher and scientist (b. 1662)
- March 21 – John Law, Scottish economist (b. 1671)
- May 17 – Samuel Clarke, English philosopher (b. 1675)
- June 27 – Élisabeth Jacquet de La Guerre, French harpsichordist and composer (b. 1665)
- July 16 – Johann David Heinichen, German composer (b. 1683)
- August 5 – Thomas Newcomen, English inventor (b. 1663)
- September 1 – Richard Steele, Irish writer and politician (b. 1672)
- September 3 – Jean Hardouin, French scholar (b. 1646)
- September 7 – William Burnet, British Governor of New York and New Jersey (b. 1688)
- October 9 – Richard Blackmore, English physician and writer (b. 1654)
- December 1 – Giacomo F. Maraldi, French-Italian astronomer (b. 1665)
- December 13 – Anthony Collins, English philosopher (b. 1676)