September 9th, 1731

Born on September 9th, 1731

Age in days, weeks and months
Wow, over 106,000 days old!

Why not celebrate an alternative birthday? In 116 days, exactly on August 23rd, 2024, people who were born on September 9th, 1731 will be 107,000 days old!

... in seconds, minutes and hours

What happened on September 9th?

September 9th, 2010

A natural-gas pipeline in San Bruno, California, exploded and "shot a fireball more than 1,000 feet (300 m) in the air", killing eight people.

September 9th, 1999

The first banknotes of the Portrait Series of the Singapore dollar were introduced by the Board of Commissioners of Currency.

September 9th, 1971

Imagine, the second solo album by John Lennon (pictured), was released.

September 9th, 1969

Allegheny Airlines Flight 853 collided in mid-air with a Piper PA-28 Cherokee flown by a student pilot near Fairland, Indiana, destroying both aeroplanes and killing all 83 occupants of both aircraft.

September 9th, 1939

World War II: About 3,000 Polish Army troops began a nearly month-long defence of the Hel Peninsula during the German invasion of Poland.

September 9th, 1892

At the Lick Observatory in California, Edward Emerson Barnard discovered Amalthea (pictured), a moon of Jupiter and the last natural satellite to be discovered by visual observation.

September 9th, 1796

French Revolutionary Wars: A naval engagement between French and British fleets off the coast of Sumatra ended inconclusively.

September 9th, 1791

The commissioners overseeing the construction of the United States' new capital city named it Washington, D.C., in honor of the first president.

September 9th, 1493

Ottoman wars in Europe: A large Croatian army intercepted Ottoman forces returning to the Sanjak of Bosnia, but was defeated.

September 9th, 1320

Byzantine forces defeated Achaean troops at the Battle of Saint George, taking control of the Arcadia region of Greece.

September 9th, 0337

After disposing of all relatives who possibly held a claim to the throne, Constantine II, Constantius II and Constans became Roman co-emperors.

September 9th, 1493

Christopher Columbus, with 17 ships and 1,200 men, sails on second voyage from Cadiz.

September 9th, 1488

Anne becomes sovereign Duchess of Brittany, becoming a central figure in the struggle for influence that leads to the union of Brittany and France.

September 9th, 1320

In the Battle of Saint George, the Byzantines under Andronikos Asen ambush and defeat the forces of the Principality of Achaea, securing possession of Arcadia.

September 9th, 0337

Constantine II, Constantius II, and Constans succeed their father Constantine I as co-emperors. The Roman Empire is divided between the three Augusti.

Birthdays
... of famous people, actors, celebrities and stars on September 9th

Born on September 9th, 1731

55

Francisco Javier Clavijero

Mesoamericanist, 1731-1787

*September 9th, 1731, Veracruz †April 2nd, 1787, Bologna

Same Day
Who's birthday is on September 9th?

61

Luigi Galvani

Italian physician, physicist, and philosopher

*September 9th, 1737, Bologna †December 4th, 1798, Bologna

32

Yang Yang

Chinese actor

*September 9th, 1991, Shanghai

62

Jan-Eric Antonsson

Badminton player

*September 9th, 1961, Karlskrona

24

Bilal Hassani

French-Moroccan singer-songwriter and vlogger

*September 9th, 1999, Orsay

56

Akshay Kumar

Indian actor (born 1967)

*September 9th, 1967, New Delhi

38

Luka Modrić

Croatian footballer (born 1985)

*September 9th, 1985, Zadar

88

Cliff Robertson

American actor (1923–2011)

*September 9th, 1923, La Jolla †September 10th, 2011, Stony Brook

57

Adam Sandler

American comedian and actor (born 1966)

*September 9th, 1966, Brooklyn

72

Tom Wopat

American actor

*September 9th, 1951, Lodi

68

Thomas Hutchinson

Last civilian Governor of the Province of Massachusetts Bay, historian (1711-1780)

*September 9th, 1711, Boston †June 3rd, 1780, London

47

Emma de Caunes

French actress

*September 9th, 1976, 14th arrondissement of Paris

90

John Gorton

Australian politician, 19th Prime Minister of Australia (1911–2002)

*September 9th, 1911, Melbourne †May 19th, 2002, Sydney

28

André Rudersdorf

German racing driver

*September 9th, 1995, Hadamar

57

Michel Muller

French actor, screenwriter, director

*September 9th, 1966, Vienna

55

Lila Downs

Mexican American singer-songwriter

*September 9th, 1968, Oaxaca

44

John Curry

British figure skater (1949–1994)

*September 9th, 1949, Birmingham †April 15th, 1994, Binton

68

Edward Hibbert

British actor

*September 9th, 1955, Long Island

63

Hugh Grant

British actor (born 1960)

*September 9th, 1960, Charing Cross Hospital

78

Ingrid Matthäus-Maier

German politician

*September 9th, 1945, Werlte

57

Armand-Jean du Plessis, duc de Richelieu

French clergyman, cardinal, noble and statesman (1585-1642)

*September 9th, 1585, Paris †December 4th, 1642, Paris

Same year
Born in 1731

78

Henry Cavendish

British natural philosopher, scientist, and an important experimental and theoretical chemist and physicist

*October 10th, 1731, Nice †February 24th, 1810, London

70

Erasmus Darwin

English physician (1731-1802)

*December 12th, 1731, Elston †April 18th, 1802, Breadsall

70

Martha Washington

First Lady of the United States from 1789 to 1797

*June 13th, 1731, Chestnut Grove †May 22nd, 1802, Mount Vernon

44

Emanuel Philibert von Waldstein-Wartenberg

(1731-1775)

*February 2nd, 1731, Vienna †May 22nd, 1775, Třebíč

80

Tommaso Antici

Italian cardinal

*May 10th, 1731, Recanati †January 4th, 1812, Recanati

80

William Williams

Signer of the US declaration of Independence (1731-1811)

*April 23rd, 1731, Connecticut †August 2nd, 1811, Connecticut

35

Marie Josèphe of Saxony

Dauphine of France (1731-1767)

*November 4th, 1731, Dresden †March 13th, 1767, Palace of Versailles

77

Catharina Elisabeth Goethe

Mother of Johann Wolfgang Goethe

*February 19th, 1731, Frankfurt †September 13th, 1808, Frankfurt

62

Karl Abraham von Zedlitz

Prussian civil servant (1731-1793)

*January 4th, 1731, Czarny Bór †March 18th, 1793, Czerńczyce, Wrocław County

75

Sophie von La Roche

German novelist, editor

*December 6th, 1731, Kaufbeuren †February 18th, 1807, Offenbach am Main

71

Johannes Wiedewelt

Danish sculptor

*July 1st, 1731, Copenhagen †December 17th, 1802, Copenhagen

91

Joaquim Machado de Castro

Portuguese artist

*June 19th, 1731, Coimbra †November 17th, 1822, Lisbon

90

Jean-Jacques Castex

French artist

*April 9th, 1731, Toulouse †January 1st, 1822, Paris

32

Gabriela Silang

Filipino insurgent leader

*March 19th, 1731, Santa †September 20th, 1763, Vigan

66

Christian Cannabich

German violinist, composer, and Kapellmeister (1731-1798)

*December 28th, 1731, Mannheim †January 20th, 1798, Frankfurt

60

Catharine Macaulay

English historian, philosopher, feminist (1731-1791)

*April 2nd, 1731, Wye †June 22nd, 1791, Binfield

76

Jacob Sievers

Baltic German statesman (1731-1808)

*August 19th, 1731, Rakvere †July 23rd, 1808, Livonia

51

Charles Lee

British military diplomat and general of the Continental Army during the American War of Independence (1731-1782)

*January 26th, 1731, Cheshire †October 2nd, 1782, Philadelphia

62

Girolamo Tiraboschi

Italian historian, librarian and Jesuit (1731-1794)

*December 18th, 1731, Bergamo †June 3rd, 1794, Modena

68

William Cowper

English poet and hymnodist (1731–1800)

*November 26th, 1731, Berkhamsted †April 25th, 1800, Dereham

Birthdays of famous people

Public holidays on September 9th

Fixed holidays (Christian feast day) which are celebrated on September 9th.

Date as a Roman numeral / digit

Leap year

No: With 365 days 1731 is a normal year and no leap year.

Calendar
September 1731