January 21st, 1644

Born on January 21st, 1644

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

Why not celebrate an alternative birthday? In 293 days, exactly on May 13th, 2027, people who were born on January 21st, 1644 will be 140,000 days old!

... in seconds, minutes and hours

What happened on January 21st?

January 21st, 1789

The Power of Sympathy by William Hill Brown, widely considered to be the first American novel, was published.

January 21st, 0763

The Abbasid Caliphate crushed the Alid revolt when a rebel leader was mortally wounded in battle near Basra in present-day Iraq.

January 21st, 1757

French and Indian War: French regulars, Canadien militia and Indigenous forces ambushed Rogers' Rangers forces in the Battle on Snowshoes.

January 21st, 2025

A fire at a hotel at the Kartalkaya ski resort in Turkey's Bolu Province results in 78 people killed.

January 21st, 2003

The Spire of Dublin was completed.

January 21st, 1951

Mount Lamington, a volcano in Papua New Guinea, erupted (pictured) and killed more than 2,900 people.

January 21st, 1793

French Revolution: After being found guilty of high treason by the National Convention, Louis XVI was guillotined in Paris.

January 21st, 1931

Isaac Isaacs (pictured) became the first Australian-born governor-general of Australia.

January 21st, 1326

King Edward II of England issued a royal charter confirming Adam de Brome's foundation of Oriel College, Oxford.

January 21st, 2017

Millions of people participated in the Women's March in Washington, D.C., and around the world to advocate for legislation and policies on human rights and other issues.

January 21st, 2011

Demonstrations against alleged corruption in the Albanian government led to the killings of four protesters in Tirana by the Republican Guard.

January 21st, 1997

The U.S. House of Representatives voted 395–28 to reprimand Newt Gingrich for ethics violations, making him the first Speaker of the House to be so disciplined.

January 21st, 1976

Concorde, an Anglo-French supersonic airliner, began scheduled commercial flights to London, Paris, Bahrain, and Rio de Janeiro.

January 21st, 1972

Tripura, formerly part of the independent Twipra Kingdom, became a state of India.

January 21st, 1968

Vietnam War: The People's Army of Vietnam attacked Khe Sanh Combat Base, a U.S. Marines outpost in Quảng Trị province, South Vietnam, starting the Battle of Khe Sanh.

Birthdays
... of famous people, actors, celebrities and stars on January 21st

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 January 21st

Fixed holidays (Christian feast day) which are celebrated on January 21st.

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
January 1644