December 20th, 1644

Born on December 20th, 1644

Age in days, weeks and months
Wow, over 139,000 days old!

Why not celebrate an alternative birthday? In 625 days, exactly on April 11th, 2028, people who were born on December 20th, 1644 will be 140,000 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, 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

American Airlines Flight 965 crashed into a mountain in Buga, Colombia, killing 159 of the 163 people on board.

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, 1984

Twelve-year-old Jonelle Matthews disappeared from her home in Greeley, Colorado; her body was not discovered until 2019.

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

Same year
Born in 1644

73

William Penn

English real estate entrepreneur, philosopher, early Quaker and founder of the Province of Pennsylvania (1644-1718)

*October 14th, 1644, London †July 30th, 1718, Ruscombe

26

Henrietta of England

English princess, duchesse of Orléans (1644-1670)

*June 16th, 1644, Exeter †June 30th, 1670, Château de Saint-Cloud

56

Savio Mellini

Italian cardinal

*July 5th, 1644, Rome †February 10th, 1701, Rome

70

Veit Hans Schnorr von Carolsfeld

German businessman

*March 18th, 1644, Schneeberg †January 26th, 1715, Schneeberg

75

Claude Delisle

French historian (1644-1720)

*November 5th, 1644, Vaucouleurs †May 2nd, 1720, Paris

61

Friedrich Christian von Plettenberg

Prince-Bishop of Münster

*August 8th, 1644, Lenhausen Castle †May 6th, 1706, Greven

84

Johann Fabricius

German theologian

*February 11th, 1644, Altdorf bei Nürnberg †January 29th, 1729, Königslutter am Elm

86

François de Neufville, duc de Villeroi

French duke (1644-1730)

*April 7th, 1644, Lyon †July 18th, 1730, Paris

75

Heinrich von Cocceji

Dutch scholar

*March 25th, 1644, Bremen †August 18th, 1719, Frankfurt (Oder)

80

Pierre de Langle

French bishop and theologian (1644-1724)

*March 6th, 1644, Évreux †April 12th, 1724, Boulogne-sur-Mer

70

Thomas Britton

English charcoal merchant, chemist and concert promoter

*January 14th, 1644, Rushden †September 27th, 1714, Clerkenwell

58

Godert de Ginkell, 1st Earl of Athlone

Dutch general in the service of England (1644-1703)

*June 4th, 1644, Amerongen Castle †February 11th, 1703, Utrecht

72

Nils Bielke

Swedish noble 1644–1716

*February 7th, 1644, Stockholm †November 26th, 1716, Stockholm

79

Marie Jeanne of Savoy

Duchess of Savoy (1644–1724)

*April 11th, 1644, Paris †March 15th, 1724, Turin

43

David Clodius

German theologian

*May 14th, 1644, Hamburg †September 10th, 1687, Giessen

66

Philips van Almonde

Dutch Lieutenant Admiral

*December 29th, 1644, Brielle †January 6th, 1711, Leiden

84

Christian Wildvogel

*January 1st, 1644, Halle (Saale) †January 1st, 1728, Jena

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: 1644 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 1644