September 12th, 1256

Born on September 12th, 1256

Age in days, weeks and months
Wow, over 280,000 days old!

Why not celebrate an alternative birthday? In 614 days, exactly on January 19th, 2026, people who were born on September 12th, 1256 will be 281,000 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

40

Paul Walker

American actor (1973–2013)

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

88

Ian Holm

British actor (1931–2020)

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

37

Emmy Rossum

American actress and singer-songwriter

*September 12th, 1986, New York City

66

Hans Zimmer

German film composer (born 1957)

*September 12th, 1957, Frankfurt

56

Mirko Slomka

German association football player and manager

*September 12th, 1967, Hildesheim

58

Irène Joliot-Curie

French scientist (1897-1956)

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

84

Stanisław Lem

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

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

83

Joachim Frank

German-born American biophysicist and Nobel laureate

*September 12th, 1940, Siegen

66

Jesse Owens

American track and field athlete (1913–1980)

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

34

Rafał Majka

Polish road racing cyclist

*September 12th, 1989, Zegartowice

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.

46

David Thompson

English professional footballer (born 1977)

*September 12th, 1977, Birkenhead

55

Amala Akkineni

Indian actress

*September 12th, 1968, Kolkata

42

Jennifer Hudson

American singer, actress, model and spokesperson

*September 12th, 1981, Chicago

29

Simone Consonni

Italian cyclist

*September 12th, 1994, Ponte San Pietro

86

James Hall

American paleontologist (1811-1898)

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

37

Yuto Nagatomo

Japanese association football player

*September 12th, 1986, Saijō

52

Oscar Camenzind

Swiss cyclist

*September 12th, 1971, Schwyz

43

Yao Ming

Chinese basketball player

*September 12th, 1980, Shanghai

52

Francis I of France

King of France (1494-1547)

*September 12th, 1494, Cognac †March 31st, 1547, Rambouillet

75

H. H. Asquith

Prime Minister of the United Kingdom from 1908 to 1916

*September 12th, 1852, Morley †February 15th, 1928, The Wharf

83

Maurice Chevalier

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

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

43

Matthew Savoie

Figure skater

*September 12th, 1980, Peoria

93

Akira Suzuki

Japanese chemist (1930 - )

*September 12th, 1930, Mukawa

55

Paul F. Tompkins

American actor

*September 12th, 1968, Mount Airy

28

Raphael Dwamena

Ghanaian association football player (1995–2023)

*September 12th, 1995, Nkawkaw †November 11th, 2023, Kavajë

60

Michael McElhatton

Irish actor and writer

*September 12th, 1963, Dublin

73

Elsa Triolet

French writer

*September 12th, 1896, Moscow †June 16th, 1970, Saint-Arnoult-en-Yvelines

45

Elisabetta Canalis

Italian model and actress

*September 12th, 1978, Sassari

56

Adam Ludwig von Wuthenau

(1706-1763)

*September 12th, 1706, Wörbzig †April 23rd, 1763

81

Michel Drucker

French journalist

*September 12th, 1942, Vire

78

Richard Thaler

American economist

*September 12th, 1945, East Orange

64

Sigmar Gabriel

German politician (SPD)

*September 12th, 1959, Goslar

58

Vernon Maxwell

American basketball player, shooting guard

*September 12th, 1965, Gainesville

78

Maria Aitken

British actress, writer, producer and director

*September 12th, 1945, Dublin

72

Joe Pantoliano

American actor

*September 12th, 1951, Hoboken

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: 1256 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 1256