1666 deaths

the fifth Mughal Emperor from 1628 to 1658

Dutch painter (1580—1666)

Queen, consort of Louis XIII, King of France, lived (1601-1666)

French architect (1598-1666)

The seventh Safavid king (1642–1666)

Giovanni Francesco Barbieri (8 February 1591 – 22 December 1666), better known as (il) Guercino (), was an Italian Baroque painter and draftsman from Cento in the Emilia region, who was active in Rome and Bologna. The vigorous naturalism of his early manner contrasts with the classical equilibrium of his later works. His many drawings are noted for their luminosity and lively style.

German astronomer and Jesuit missionary active in China

Duchess of Braganza; Queen consort of Portugal (1613-1666)

Frondeur

Duke of Brunswick-Lüneburg and Prince of Wolfenbüttel (1579-1666)

Chinese scholar (1587-1666)

Frisian poet and author

Italian noble

English writer (1596–1666)

Portuguese writer, politician and military officer (1608-1666)

thumb|320px|Portrait of Senhime , or Lady Sen, was the eldest daughter of the samurai, daimyo and shōgun Tokugawa Hidetada and later the wife of Toyotomi Hideyori. She was remarried to Honda Tadatoki after the death of her first husband. Following the death of her second husband, she later became a Buddhist nun under the name of .

Swiss painter (1612-1666)

Regent of Brandenburg-Bayreuth (1619-1666)

Spanish artist (1637-1666)

German composer (1634-1666)

painter from the Northern Netherlands (1622–1666)

Duke of Bavaria

Danish diplomat (1609-1666)

Welsh philosopher

Catholic cardinal

French dramatist and poet (1576-1666)

Catholic cardinal and archbishop of Naples

Italian prince and Catholic cardinal (1622-1666)

Count of Harcourt, count of Armagnac, count of Brionne and viscount of Marsan

German legal scientist (1595-1666)

Anglo-Welsh historian and writer

Dutch painter (1586-1666)

German duke (1629-1666)

Count of Lippe-Detmold (1616-1666)

Count of Schwarzburg-Sondershausen (1620-1666)

Catholic cardinal (1604-1666)

German scientist (1608-1666)

German aristocrat

English composer, singer, lutenist and painter (1588-1666)

Dutch admiral (1600-1666)

Swiss diplomat (1594-1666)

German composer

Flemish painter (1596–1666)

composer and organist

Russian explorer

Margrave of Baden-Rodemachern and a canon of Cologne

prince of Wallachia

Dutch admiral

Spanish viceroy, 8th Count of Santisteban

Italian cardinal

English diplomat and politician (1608-1666)

Italian mathematician and physicist

Jesuit priest and grammarian; known for his grammar of the Classical Nahuatl language

French politician

Dutch Golden Age painter (1594–1666)

English peer, Governor of Barbados

painter from the Northern Netherlands (1615-1666)

English Presbyterian church leader; the elder (1600-1666)

Count of Schwarzburg-Sondershausen-Arnstadt

Tunisian politician