September 12th, 1815

Born on September 12th, 1815

Age in days, weeks and months
Wow, over 76,000 days old!

Why not celebrate an alternative birthday? In 797 days, exactly on July 7th, 2026, people who were born on September 12th, 1815 will be 77,000 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

Born on September 12th, 1815

70

Edmond Tulasne

French mycologist (1815-1885)

*September 12th, 1815, Azay-le-Rideau †December 22nd, 1885, Hyères

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

86

James Hall

American paleontologist (1811-1898)

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

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

88

Ian Holm

British actor (1931–2020)

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

58

Irène Joliot-Curie

French scientist (1897-1956)

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

40

Paul Walker

American actor (1973–2013)

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

66

Hans Zimmer

German film composer (born 1957)

*September 12th, 1957, Frankfurt

84

Stanisław Lem

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

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

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

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

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.

85

Miguel Blanco Múzquiz

Mexican politician

*September 12th, 1814, Monclova †April 10th, 1900, Mexico City

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

43

Jindřich Fügner

Czech sports administrator

*September 12th, 1822, Prague †November 15th, 1865, Prague

42

Jennifer Hudson

American singer–songwriter, actress, spokesperson

*September 12th, 1981, Chicago

Same year
Born in 1815

83

Otto von Bismarck

German statesman and Chancellor (1815-1898)

*April 1st, 1815, Schönhausen †July 30th, 1898, Friedrichsruh

36

Ada Lovelace

English mathematician (1815–1852)

*December 10th, 1815, London †November 27th, 1852, Marylebone

49

George Boole

English mathematician, philosopher and logician (1815–1864)

*November 2nd, 1815, Lincoln †December 8th, 1864, Ballintemple

64

Bernhard Ernst von Bülow

Danish and German politician (1815-1879)

*August 2nd, 1815, Cismar †October 20th, 1879, Frankfurt

80

Jules Moinaux

French writer, comedian, playwright, chronicler and librettist

*October 24th, 1815, Tours †December 4th, 1895, Saint-Mandé

81

Antonio Machado Núñez

Spanish anthropologist (1815-1896)

*March 30th, 1815, Cádiz †July 2nd, 1896, Madrid

71

Johann Jakob Bachofen

Swiss jurist and philologist (1815–1887)

*December 22nd, 1815, Basel †November 25th, 1887, Basel

49

William Sanderson McCormick

American businessman

*November 2nd, 1815, Rockbridge County †September 27th, 1865, Jacksonville

72

Eugène Labiche

French dramatist (1815–1888)

*May 5th, 1815, Paris †January 23rd, 1888, Paris

69

Henri Félix Emmanuel Philippoteaux

French painter

*April 3rd, 1815, Paris †November 8th, 1884, Paris

89

Adolph von Menzel

German artist (1815-1905)

*December 8th, 1815, Wrocław †February 9th, 1905, Berlin

67

Anthony Trollope

English novelist of the Victorian period (1815-1882)

*April 24th, 1815, London †December 6th, 1882, London

58

Georg August Pritzel

German botanist (1815-1874)

*September 2nd, 1815, Siedlisko, Nowa Sól County †June 14th, 1874, Kiel

63

Julia Margaret Cameron

British photographer (1815–1879)

*June 11th, 1815, Kolkata †January 26th, 1879, Kalutara

79

Jean Macé

French teacher, journalist and politician

*August 22nd, 1815, former 3rd arrondissement of Paris †December 13th, 1894, Monthiers

72

John Bosco

Italian Roman Catholic priest, educator, writer

*August 16th, 1815, Castelnuovo Don Bosco †January 31st, 1888, Turin

63

Thomas Couture

French painter (1815-1879)

*December 21st, 1815, Senlis †March 29th, 1879, Villiers-le-Bel

96

James Curtis Hepburn

American Christian missionary to Japan known for the Hepburn writing system (1815-1911)

*March 13th, 1815, Milton †September 21st, 1911, East Orange

81

Karl Weierstraß

German mathematician (1815-1897)

*October 31st, 1815, Ostenfelde †February 19th, 1897, Berlin

55

Mykhailo Verbytskyi

Ukrainian composer, priest, and music pedagogue

*March 4th, 1815, Jawornik Ruski †December 7th, 1870, Młyny, Podkarpackie Voivodeship

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

No: With 365 days 1815 is a normal year and no leap year.

Calendar
September 1815