1739Centuries: 17th century - 18th century - 19th century
- March 20 - Nadir Shah occupies Delhi in India and sacks the city stealing the jewels of the Peacock Throne.
- September 18 - Treaty of Belgrade signed
- October 8 - Treaty of Nissa signed
- China - Qianlong Emperor of China, Qing Dynasty (reigned from October 18, 1735 to February 9, 1796)
- France - Louis XV King of France (reigned from 1715 to 1774)
- Great Britain - George II King of Great Britain (reigned from June 11, 1727 to October 25, 1760)
- Saxony - Frederick Augustus II Elector of Saxony (from 1733 to 1763) (also King of Poland)\n