December 20th, 1740

Born on December 20th, 1740

Age in days, weeks and months
Wow, over 103,000 days old!

Why not celebrate an alternative birthday? In 507 days, exactly on September 17th, 2025, people who were born on December 20th, 1740 will be 104,000 days old!

... in seconds, minutes and hours

What happened on December 20th?

December 20th, 1955

Cardiff was recognised as the capital of Wales by the British government.

December 20th, 1940

The superhero Captain America made his first published appearance in the comic book Captain America Comics #1.

December 20th, 1852

Led by George Cathcart, British troops defeated Basuto and Taung forces at the Battle of Berea in present-day Lesotho, leading to an offer of peace from King Moshoeshoe I.

December 20th, 1248

Attempting to form an alliance with the Mongol Empire, Louis IX of France met with two of their envoys while en route to the Seventh Crusade.

December 20th, 1968

The first two confirmed murders by the Zodiac Killer occurred in Benicia, California, in a case which remains unsolved.

December 20th, 2007

Pablo Picasso's Portrait of Suzanne Bloch was stolen from the São Paulo Museum of Art before being recovered about three weeks later.

December 20th, 1999

Portugal transferred the sovereignty over Macau, which it had administered since the mid–16th century, to China.

December 20th, 1995

Mandated by the Dayton Agreement that ended the Bosnian War, the NATO-led Implementation Force (troops pictured) began peacekeeping operations in Bosnia and Herzegovina.

December 20th, 1988

The United Nations Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances, governing international cooperation against the illegal drug trade, opened for signatures.

December 20th, 1980

NBC aired the American football match between the New York Jets and the Miami Dolphins without announcers.

December 20th, 1999

Macau is handed over to China by Portugal.

December 20th, 1995

American Airlines Flight 965, a Boeing 757, crashes into a mountain 50 km north of Cali, Colombia, killing 159 of the 163 people on board.

December 20th, 1977

With the approval of the State Council, China’s two largest newspapers, the People’s Daily and the Guangming Daily, publish in full for the first time the Second Chinese Character Simplification Scheme.

December 20th, 1991

A Missouri court sentences the Palestinian militant Zein Isa and his wife Maria to death for the honor killing of their daughter Palestina.

December 20th, 1970

Koza riot: After a series of hit-and-runs and other vehicular incidents involving American service personnel, roughly 5,000 Okinawans take to the streets, clashing with American law enforcement in protest against the U.S. occupation of Okinawa.

Birthdays
... of famous people, actors, celebrities and stars on December 20th

Born on December 20th, 1740

51

Arthur Lee

American politician

*December 20th, 1740, Westmoreland County †December 12th, 1792

Same Day
Who's birthday is on December 20th?

28

Irama

Italian singer-songwriter (1995-)

*December 20th, 1995, Carrara

87

Hazel Hotchkiss Wightman

US tennis and badminton player

*December 20th, 1886, Healdsburg †December 5th, 1974, Chestnut Hill

34

Clarisse Crémer

French offshore sailor

*December 20th, 1989, Paris

25

Kylian Mbappé

French association football player

*December 20th, 1998, 19th arrondissement of Paris

63

Johann Ernst Schulz

German author and theologian

*December 20th, 1742, East Prussia †April 9th, 1806, Königsberg

90

Ferdinand Buisson

French academic and politician (1841-1932)

*December 20th, 1841, former 1st arrondissement of Paris †February 16th, 1932, Thieuloy-Saint-Antoine

76

Gigliola Cinquetti

Italian singer (1947-)

*December 20th, 1947, Verona

70

Friedrich August Brand

Austrian artist (1735-1806)

*December 20th, 1735, Vienna †October 9th, 1806, Vienna

40

Lucy Pinder

British actress and model

*December 20th, 1983, Winchester

72

Wolfgang Güldenpfennig

East German rower

*December 20th, 1951, Magdeburg

90

Rik Van Looy

Belgian road racing cyclist

*December 20th, 1933, Grobbendonk

48

Ignacio Escolar

Spanish blogger and journalist

*December 20th, 1975, Burgos

44

Michael Rogers

Australian cyclist

*December 20th, 1979, Barham

55

Isaak Daniel Itzig

German entrepreneur (1750-1806)

*December 20th, 1750, Berlin †July 7th, 1806, Berlin

82

Dora Montefiore

Suffragette, socialist, writer

*December 20th, 1851, Coulsdon †December 21st, 1933, Hastings

49

Carlos Da Cruz

Road bicycle racer

*December 20th, 1974, Saint-Denis

64

František Xaver Pokorný

Czech violinist and composer

*December 20th, 1729, Městec Králové †July 2nd, 1794, Regensburg

68

Martin Schulz

German politician

*December 20th, 1955, Hehlrath

75

Claude Michel

Sculptor from France

*December 20th, 1738, Nancy †March 29th, 1814, Paris

43

Michael Albasini

Swiss road bicycle racer

*December 20th, 1980, Brusio

Same year
Born in 1740

74

Marquis de Sade

French nobleman, revolutionary politician, philosopher and writer of erotic works

*June 2nd, 1740, Paris †December 2nd, 1814, Saint-Maurice

62

Samuel Arnold

English composer and organist (1740-1802)

*August 10th, 1740, London †October 22nd, 1802, London

79

Johanna Isabella Eleonore Wallenrodt

German writer (1740–1819)

*February 28th, 1740, Uhlstädt †October 11th, 1819, Grodziszcze, Ząbkowice Śląskie County

74

Margaret Bingham

British painter and writer (1740–1814)

*January 1st, 1740, Devon †February 27th, 1814, St James's Place

73

Louis-Sébastien Mercier

French dramatist and writer (1740-1814)

*June 6th, 1740, Paris †April 25th, 1814, Paris

65

Isabelle de Charrière

Dutch French-language writer and composer

*October 20th, 1740, Zuylen Castle †December 27th, 1805, Colombier

54

James Boswell

British lawyer, diarist, and author (1740–1795)

*October 18th, 1740, Edinburgh †May 19th, 1795, London

23

Ivan VI of Russia

Emperor of Russia (1740–1764)

*August 12th, 1740, Saint Petersburg †July 5th, 1764, Shlisselburg

55

Carl Michael Bellman

Swedish poet, songwriter and composer (1740–1795)

*February 4th, 1740, Maria Magdalena parish †February 11th, 1795, Klara Church Parish

74

Matthias Claudius

German poet (1740-1815)

*August 15th, 1740, Reinfeld †January 21st, 1815, Hamburg

54

Nicolas Chamfort

French journalist and moralistic author

*April 6th, 1740, Clermont-Ferrand †April 13th, 1794, Paris

58

Horace Bénédict de Saussure

Genevan scientist (1740-1799)

*February 17th, 1740, Conches †January 22nd, 1799, Geneva

87

Elisabeth Olin

Singer (1740-1828)

*December 23rd, 1740, Katarina church parish †March 26th, 1828, Storkyrkoförsamlingen

64

Armand-Gaston Camus

French archivist and revolutionary (1740–1804)

*April 2nd, 1740, Paris †November 2nd, 1804, Paris

87

Carlo Francesco Maria Caselli

French politician and priest (1740-1828)

*October 20th, 1740, Alessandria †April 19th, 1828, Parma

68

Manuel Bayeu

Spanish painter (1740-1809)

*January 8th, 1740, Zaragoza †November 30th, 1808, Zaragoza

81

Elias Boudinot

American lawyer and statesman (1740-1821)

*May 2nd, 1740, Philadelphia †October 24th, 1821, Burlington

67

Christoph Dionysius von Seeger

Württembergian university teacher (1740-1808)

*October 7th, 1740, Schöckingen †June 26th, 1808, Blaubeuren

54

Nicola Spedalieri

Italian priest, theologian, and philosopher (1740-1795)

*December 6th, 1740, Bronte †November 26th, 1795, Rome

61

Josep Esteve i Bonet

Spanish sculptor (1741-1802)

*November 30th, 1740, Valencia †November 30th, 1801, Valencia

Birthdays of famous people

Public holidays on December 20th

Fixed holidays (Christian feast day, Earliest date for Winter solstice's eve) which are celebrated on December 20th.

Date as a Roman numeral / digit

Leap year

Yes: 1740 is a leap year, therefore has a 29th of February with an additional leap day and a total of 366 days (instead of the usual 365 days in a normal year).

Calendar
December 1740