January 20th, 1640

Born on January 20th, 1640

Age in days, weeks and months
Wow, over 141,000 days old!

Why not celebrate an alternative birthday? In 830 days, exactly on November 1st, 2028, people who were born on January 20th, 1640 will be 142,000 days old!

... in seconds, minutes and hours

What happened on January 20th?

January 20th, 2018

A group of Taliban gunmen attacked and took hostages at the Hotel Inter-Continental Kabul, Afghanistan, sparking a 12-hour battle that left at least 21 people dead.

January 20th, 2009

In Washington, D.C., Barack Obama was inaugurated as the first African-American president of the United States.

January 20th, 1992

Air Inter Flight 148 crashed into the Vosges while circling to land at Strasbourg Airport, France, resulting in 87 deaths.

January 20th, 1990

The Soviet Red Army violently cracked down on Azeri pro-independence demonstrations in Baku, Azerbaijan SSR.

January 20th, 1969

Bengali student activist Amanullah Asaduzzaman was shot and killed by East Pakistani police, an event that led to the Bangladesh Liberation War.

January 20th, 1968

The Houston Cougars upset the UCLA Bruins in what became known as the "Game of the Century" (pictured), ending the Bruins' 47-game winning streak and establishing college basketball as a sports commodity on American television.

January 20th, 1945

World War II: In an operation that took nearly two months to complete, Germany began the evacuation of at least 1.8 million people from East Prussia in anticipation of the advancing Soviet Red Army.

January 20th, 1942

The Holocaust: Reinhard Heydrich and other senior Nazi officials met at the Wannsee Conference near Berlin to discuss the implementation of the "Final Solution to the Jewish Question".

January 20th, 1843

Honório Hermeto Carneiro Leão, Marquis of Paraná, became the de facto first prime minister of the Empire of Brazil.

January 20th, 1356

Edward Balliol, whose father John was briefly King of Scotland, gave up his claim to the throne in exchange for an English pension.

January 20th, 1265

Simon de Montfort summoned local representatives to the Palace of Westminster to attend a parliament, now considered to be the forerunner of the House of Commons of England.

January 20th, 1156

According to legend, Lalli slew Bishop Henry of Finland with an axe on the ice of Lake Köyliönjärvi in Köyliö.

January 20th, 1726

J. S. Bach led the first performance of his cantata Meine Seufzer, meine Tränen on the second Sunday after the Epiphany.

January 20th, 2025

Donald Trump is inaugurated as the 47th President of the United States of America. He is currently the oldest person ever inaugurated.

January 20th, 1726

J. S. Bach leads the first performance of his cantata Meine Seufzer, meine Tränen (My sighs, my tears), BWV 13, for the second Sunday after Epiphany.

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

Same year
Born in 1640

48

Aphra Behn

British playwright, poet and spy (1640–1689)

*July 10th, 1640, Canterbury †April 16th, 1689, London

64

Leopold I, Holy Roman Emperor

Holy Roman Emperor (1658-1705), King of Hungary and Croatia and King of Bohemia

*June 9th, 1640, Vienna †May 5th, 1705, Vienna

66

Madame de Montespan

French noble, mistress of Louis XIV; (1640-1707)

*October 5th, 1640, Lussac-les-Châteaux †May 27th, 1707, Bourbon-l'Archambault

74

Pu Songling

Chinese writer (1640–1715)

*June 5th, 1640, Zichuan District †February 25th, 1715, Zichuan District

62

Gérard Audran

French engraver (1640-1703)

*August 2nd, 1640, Lyon †July 26th, 1703, Paris

55

Peter Müller

(1640-1696)

*July 19th, 1640, Nordhausen †May 31st, 1696, Gera

70

Gerard de Lairesse

Painter and engraver from the Northern Netherlands

*September 11th, 1640, Liège †July 28th, 1711, Amsterdam

68

Barbara Palmer, 1st Duchess of Cleveland

English royal mistress from the Villiers family (1640-1709)

*November 27th, 1640, St Margaret's Church, Westminster †October 9th, 1709, Chiswick

78

Philippe de La Hire

French mathematician and astronomer (1640-1718)

*March 18th, 1640, Paris †April 21st, 1718, Paris

75

Jacques d'Agar

French painter (1640-1715)

*March 9th, 1640, Paris †November 16th, 1715, Copenhagen

85

Pierre II Mignard

French architect (1640-1725)

*February 20th, 1640, Avignon †April 10th, 1725, Avignon

83

Mariana Alcoforado

Portuguese nun and writer

*April 22nd, 1640, Beja †July 28th, 1723, Beja

91

Charles-René d'Hozier

French historian (1640-1732)

*February 24th, 1640, Paris †February 13th, 1732, Paris

82

Claude Fleury

French historian

*December 6th, 1640, Paris †July 14th, 1723, Paris

55

Robert Plot

English scientist

*December 13th, 1640, Sutton Baron And Sutton Baron Hall †April 30th, 1696, Kent

56

Georg Mohr

Danish mathematician

*April 1st, 1640, Copenhagen †January 26th, 1697, Sławnikowice

64

Benjamin Keach

British writer and theologian

*February 29th, 1640, Buckinghamshire †June 18th, 1704

84

Jonathan Singletary Dunham

American settler (1640-1724)

*January 17th, 1640, Newbury †September 6th, 1724

72

Philipp Müller

*August 24th, 1640, Sangerhausen †March 15th, 1713, Jena

Birthdays of famous people

Public holidays on January 20th

Fixed holidays (Christian feast day) which are celebrated on January 20th.

Date as a Roman numeral / digit

Leap year

Yes: 1640 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 1640