September 12th, 1784

Born on September 12th, 1784

Age in days, weeks and months
Wow, over 87,000 days old!

Why not celebrate an alternative birthday? In 478 days, exactly on August 20th, 2025, people who were born on September 12th, 1784 will be 88,000 days old!

... in seconds, minutes and hours

What happened on September 12th?

September 12th, 2008

A Metrolink train collided head-on with a freight train in Los Angeles, California, resulting in 25 deaths and 135 injuries; the Metrolink driver had passed through a red signal, having likely been distracted by text messaging.

September 12th, 2003

Typhoon Maemi, the strongest recorded typhoon to strike South Korea, made landfall near Busan.

September 12th, 1995

Hurricane Ismael formed off the southwest coast of Mexico; it went on to kill over a hundred people in the country.

September 12th, 1992

Aboard Space Shuttle Endeavour, American Mae Jemison became the first Black woman to travel to space.

September 12th, 1983

The clandestine Boricua Popular Army staged a bank robbery in West Hartford, Connecticut, making off with $7 million in the largest cash theft in U.S. history at the time.

September 12th, 1977

South African anti-apartheid activist Steve Biko died after being beaten in police custody in Port Elizabeth.

September 12th, 1962

In a speech at Rice Stadium in Houston, U.S. president John F. Kennedy reiterated an aspiration to land a man on the Moon before 1970.

September 12th, 1952

Three boys in Flatwoods, West Virginia, U.S., reported seeing a ten-foot-tall (3 m) monster in the woods while investigating a UFO.

September 12th, 1948

The People's Liberation Army launched the Liaoshen campaign, the first of the three major military campaigns during the late stage of the Chinese Civil War.

September 12th, 1942

World War II: The Imperial Japanese Army began the Battle of Edson's Ridge in an effort to retake Henderson Field on Guadalcanal in the Solomon Islands from the Allies.

September 12th, 1933

Hungarian-American physicist Leo Szilard conceived of the idea of the nuclear chain reaction while waiting for a traffic light in Bloomsbury, London.

September 12th, 1928

The Okeechobee hurricane first struck the island of Guadeloupe; eventually it reached the United States and caused over 4,000 deaths overall.

September 12th, 1910

Gustav Mahler's Symphony No. 8, one of the largest-scale choral works in the classical concert repertoire and popularly known as the "Symphony of a Thousand", was first performed in Munich (1916 performers pictured).

September 12th, 1846

The English poets Robert Browning and Elizabeth Barrett Browning (pictured) eloped to Italy, marrying in secret to avoid their disapproving families.

September 12th, 1309

Reconquista: Castilian forces captured Gibraltar from the Emirate of Granada.

Birthdays
... of famous people, actors, celebrities and stars on September 12th

Same Day
Who's birthday is on September 12th?

59

Dieter Hecking

German association football player and manager

*September 12th, 1964, Castrop-Rauxel

36

Julia Wong Pei Xian

Badminton player

*September 12th, 1987, Malacca

62

Mylène Farmer

French singer and songwriter (born 1961)

*September 12th, 1961, Pierrefonds

86

James Hall

American paleontologist (1811-1898)

*September 12th, 1811, Hingham †August 7th, 1898, Bethlehem

88

Ian Holm

British actor (1931–2020)

*September 12th, 1931, Goodmayes †June 19th, 2020, London

40

Paul Walker

American actor (1973–2013)

*September 12th, 1973, Glendale †November 30th, 2013, Valencia

58

Irène Joliot-Curie

French scientist (1897-1956)

*September 12th, 1897, 13th arrondissement of Paris †March 17th, 1956, Paris

66

Hans Zimmer

German film composer (born 1957)

*September 12th, 1957, Frankfurt

37

Emmy Rossum

American actress and singer

*September 12th, 1986, New York City

56

Mirko Slomka

German association football player and manager

*September 12th, 1967, Hildesheim

84

Stanisław Lem

Polish science fiction author, philosopher and futurologist (1921-2006), studied medical doctor

*September 12th, 1921, Lviv †March 27th, 2006, Kraków

66

Jesse Owens

American track and field athlete (1913–1980)

*September 12th, 1913, Oakville †March 31st, 1980, Tucson

83

Joachim Frank

German-born American biophysicist and Nobel laureate

*September 12th, 1940, Siegen

62

Benjamin Carr

American composer

*September 12th, 1768, London †May 24th, 1831, Philadelphia

85

Anne Helm

American actress and author, born 1938

*September 12th, 1938, Toronto

56

Louis C.K.

American comedian and actor

*September 12th, 1967, Washington, D.C.

72

Henri Marie Ducrotay de Blainville

French zoologist and anatomist (1777-1850)

*September 12th, 1777, Arques-la-Bataille †May 1st, 1850, Paris

55

Amala Akkineni

Indian actress

*September 12th, 1968, Kolkata

83

Maurice Chevalier

French singer, actor, and entertainer (1888–1972)

*September 12th, 1888, Paris †January 1st, 1972, Paris

42

Jennifer Hudson

American singer–songwriter, actress, spokesperson

*September 12th, 1981, Chicago

Same year
Born in 1784

65

Zachary Taylor

President of the United States from 1849 to 1850

*November 24th, 1784, Barboursville †July 9th, 1850, Washington, D.C.

72

William Buckland

English clergyman, geologist and palaeontologist (1784-1856)

*March 12th, 1784, Axminster †August 14th, 1856, Islip

48

Marie-Antoine Carême

French chef

*June 8th, 1784, Paris †January 12th, 1833, Paris

74

Leigh Hunt

British critic, essayist, poet and writer (1784-1859)

*October 19th, 1784, Southgate †August 28th, 1859, Putney

64

Thomas Robert Bugeaud

Marshal of France (1784-1849)

*October 15th, 1784, Limoges †June 10th, 1849, Paris

62

Gabriel Lory

Swiss painter

*June 21st, 1784, Bern †August 25th, 1846, Bern

48

Ferdinand VII of Spain

King of Spain (1784–1833) (r. 1808; 1813–1833)

*October 14th, 1784, Royal Monastery of San Lorenzo de El Escorial †September 29th, 1833, Madrid

53

Ferdinand Ries

German composer

*November 28th, 1784, Bonn †January 13th, 1838, Frankfurt

61

Friedrich Bessel

German astronomer and mathematician

*July 22nd, 1784, Minden †March 17th, 1846, Königsberg

83

Carlo Filangieri

Italian soldier and politician (1784-1867)

*May 10th, 1784, Cava de' Tirreni †October 9th, 1867, Portici

69

Frederick Adam

British Army general

*June 17th, 1784, Scotland †August 17th, 1853, London

76

George Hamilton-Gordon, 4th Earl of Aberdeen

British politician (1784-1860)

*January 28th, 1784, Edinburgh †December 14th, 1860, London

18

Grand Duchess Elena Pavlovna of Russia

Russian grand duchess (1784-1803)

*December 24th, 1784, Saint Petersburg †September 24th, 1803, Ludwigslust

75

Jérôme Bonaparte

Napoleon I's brother (1784–1860)

*November 15th, 1784, Ajaccio †June 24th, 1860, château de Vilgénis

70

Sir George Arthur, 1st Baronet

English colonial official, Governor of Bombay (1784-1854)

*June 21st, 1784, Plymouth †September 19th, 1854, London

73

Andrew Stevenson

American politician (1784-1857)

*January 21st, 1784, Culpeper County †January 25th, 1857, Albemarle County

68

Johan Gunder Adler

Danish civil servant (1784-1852)

*March 5th, 1784, Copenhagen †May 26th, 1852, Hof

79

Leo von Klenze

German architect and painter (1784–1864)

*February 29th, 1784, Schladen †January 26th, 1864, Munich

57

Allan Cunningham

Scottish poet and author (1784–1842)

*December 7th, 1784, Keir †October 30th, 1842, London

65

Peter De Wint

English landscape painter (1784-1849)

*January 21st, 1784, Stone †January 30th, 1849, London

Birthdays of famous people

Public holidays on September 12th

Fixed holidays (Christian feast day) which are celebrated on September 12th.

Date as a Roman numeral / digit

Leap year

Yes: 1784 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 1784