September 10th, 1640

Born on September 10th, 1640

Age in days, weeks and months
Wow, over 140,000 days old!

Why not celebrate an alternative birthday? In 68 days, exactly on September 27th, 2026, people who were born on September 10th, 1640 will be 141,000 days old!

... in seconds, minutes and hours

What happened on September 10th, 1640?

September 10th, 1640

Reapers' War: Junta de Braços (Assembly of Estates) of the Principality of Catalonia summoned. It assumes the sovereignty and enacts a series of revolutionary measures which will lead to the Catalan Republic.

en.wikipedia.org/wiki/Reapers'_War

What else happened on September 10th?

September 10th, 2025

American political activist Charlie Kirk was shot and killed at an event at Utah Valley University.

September 10th, 1858

George Mary Searle discovered the asteroid 55 Pandora (pictured) from the Dudley Observatory near Albany, New York; it was his only asteroid discovery.

September 10th, 1622

Fifty-five Christians were executed in Nagasaki during the Great Genna Martyrdom, part of persecution towards Christians in Japan by the Tokugawa shogunate.

September 10th, 1845

John Doubleday completed a "masterly" restoration of the Portland Vase (pictured), which had been smashed into hundreds of pieces seven months prior.

September 10th, 2008

CERN's Large Hadron Collider (section pictured), the world's largest and highest-energy particle accelerator, first began operations beneath the France–Switzerland border.

September 10th, 1724

Johann Sebastian Bach led the first performance of Jesu, der du meine Seele, BWV 78, a chorale cantata based on a passion hymn by Johann Rist.

September 10th, 2000

British forces freed soldiers and civilians who had been held captive by the militant group the West Side Boys, contributing to the end of the Sierra Leone Civil War.

September 10th, 1990

Pope John Paul II consecrated the Basilica of Our Lady of Peace, one of the largest churches in the world, in Yamoussoukro, Ivory Coast.

September 10th, 1983

Typhoon Ellen dissipated after destroying hundreds of homes across Hong Kong and the Philippines.

September 10th, 1974

After centuries of Portuguese rule, the country of Guinea-Bissau was formally recognized as independent.

September 10th, 1961

At the Italian Grand Prix at Monza, German driver Wolfgang von Trips's car collided with another, causing it to become airborne and crash into a side barrier, killing him and 15 spectators.

September 10th, 1960

Running barefoot in the marathon event at the Rome Olympics, Abebe Bikila became the first athlete from sub-Saharan Africa to win an Olympic gold medal.

September 10th, 1946

While riding a train to Darjeeling, India, Sister Teresa Bojaxhiu, later Mother Teresa (pictured), experienced what she later described as the "call within the call", directing her to "leave the convent and help the poor while living among them".

September 10th, 1945

Mike the Headless Chicken was decapitated on a farm in Colorado; he survived another 18 months as part of sideshows before choking to death.

Birthdays
... of famous people, actors, celebrities and stars on September 10th

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 September 10th

Fixed holidays (Christian feast day) which are celebrated on September 10th.

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
September 1640