February 9th, 1423

Born on February 9th, 1423

Age in days, weeks and months
Wow, over 219,000 days old!

Why not celebrate an alternative birthday? In 404 days, exactly on June 12th, 2025, people who were born on February 9th, 1423 will be 220,000 days old!

... in seconds, minutes and hours

What happened on February 9th?

February 9th, 2020

Japanese figure skater Yuzuru Hanyu won the Four Continents Championships to become the only man to complete a Super Slam.

February 9th, 2016

Two commuter trains collided head-on at Bad Aibling in southeastern Germany, killing 12 people and injuring 85.

February 9th, 2001

The American submarine USS Greeneville collided with the Ehime Maru, a Japanese training vessel operated by a high school, sinking the latter ship and killing nine people on board.

February 9th, 1996

Researchers at the GSI Helmholtz Centre for Heavy Ion Research in Darmstadt, Germany, first created the chemical element copernicium.

February 9th, 1976

The Australian Defence Force was formed by the integration of the Australian Army, the Royal Australian Navy, and the Royal Australian Air Force.

February 9th, 1971

An earthquake registering 6.6 Mw struck the northern San Fernando Valley near the Los Angeles district of Sylmar, killing 65 people.

February 9th, 1964

As Beatlemania swept the United States, the Beatles (pictured) made their first appearance on The Ed Sullivan Show before a record-breaking audience, beginning a musical phenomenon known as the British Invasion.

February 9th, 1950

U.S. senator Joseph McCarthy accused 205 employees of the State Department of being communists, sparking a period of strong anti-communist sentiment known as McCarthyism.

February 9th, 1945

World War II: Allied aircraft unsuccessfully attacked a German destroyer in Førde Fjord, Norway.

February 9th, 1943

World War II: Allied forces declared Guadalcanal secure, ending the Guadalcanal campaign as a significant strategic victory for Allied forces fighting Japan in the Pacific War.

February 9th, 1942

The Imperial Japanese Army began the Battle of Kranji as part of their campaign to capture Singapore.

February 9th, 1923

Stanley Bruce became prime minister of Australia as leader of the country's first Coalition government.

February 9th, 1920

The Svalbard Treaty was signed in Paris, recognizing Norwegian sovereignty over the Arctic archipelago of Svalbard.

February 9th, 1913

A meteor procession was observed along a great circle arc from Canada to Brazil, leading astronomers to conclude that its source was a small, short-lived natural satellite of the Earth.

February 9th, 1907

More than 3,000 women in London participated in the Mud March (pictured), the first large procession organised by the National Union of Women's Suffrage Societies.

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

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

27

Bella Poarch

American singer and social media personality (born 1997)

*February 9th, 1997, Philippines

92

Gerhard Richter

German visual artist (b. 1932)

*February 9th, 1932, Dresden

49

Konstantinos XI Palaiologos

Last Byzantine emperor, from 1449 to 1453

*February 9th, 1404, Constantinople †May 29th, 1453, Constantinople

59

Ali-Shir Nava'i

Turkic poet and politician (1441–1501)

*February 9th, 1441, Herat †January 3rd, 1501, Herat

68

William Henry Harrison

President of the United States in 1841

*February 9th, 1773, Charles City County †April 4th, 1841, Washington, D.C.

55

Andreas Huber

German poolbillard trainer

*February 9th, 1969, Dachau

80

Alice Walker

American author and activist (1944- )

*February 9th, 1944, Eatonton

43

Tom Hiddleston

English actor (born 1981)

*February 9th, 1981, Westminster

75

Pierre Seron

Belgian comics artist (1942-2017)

*February 9th, 1942, Chênée †May 24th, 2017, Saint-Bénézet

31

Kenya Kinski-Jones

American fashion model

*February 9th, 1993, Los Angeles

52

Crispin Freeman

Voice actor originally from the Midwestern United States

*February 9th, 1972, Chicago

75

Judith Light

American actress

*February 9th, 1949, Trenton

84

J. M. Coetzee

South African and Australian writer and scholar (born 1940)

*February 9th, 1940, Cape Town

77

Rinus Michels

Dutch footballer and manager (1928–2005)

*February 9th, 1928, Amsterdam †March 3rd, 2005, Aalst

26

Marina Kaye

French singer

*February 9th, 1998, Marseille

64

Holly Johnson

British artist, musician and writer

*February 9th, 1960, Liverpool

70

Dorothea of Brandenburg, Duchess of Mecklenburg

Princess of Brandenburg by birth and by marriage Duchess of Mecklenburg

*February 9th, 1420, Berlin †January 19th, 1491, Prämonstratenserinnenstift Rehna

29

Sheraldo Becker

Dutch association football player

*February 9th, 1995, Amsterdam

79

Mia Farrow

American actress

*February 9th, 1945, Los Angeles

65

Ali Bongo Ondimba

President of Gabon (2009–2023)

*February 9th, 1959, Brazzaville

Same year
Born in 1423

60

Louis XI of France

King of France from 1461 to 1483

*July 3rd, 1423, Bourges †August 30th, 1483, Château de Plessis-lez-Tours

73

Antonio Manetti

Italian humanist, architect and mathematician

*July 6th, 1423, Florence †May 26th, 1497, Florence

70

Ferdinand I of Naples

King of Naples

*June 2nd, 1423, Valencia †January 28th, 1494, Kingdom of Naples

49

Gaston IV of Foix

Count of Foix

*February 26th, 1423, Petegem-aan-de-Schelde †July 10th, 1472, Orreaga-Roncesvalles

49

John II of Nassau-Saarbrücken

Count of Saarbrücken (1442-1472)

*April 4th, 1423, Kirchheimbolanden †July 25th, 1472, Vaihingen an der Enz

76

Thomas Rotherham

Lord Privy Seal; Lord Chancellor; Bishop of Rochester; Bishop of Lincoln; Archbishop of York

*August 24th, 1423, Rotherham †May 29th, 1500, Cawood Castle

1

Infanta Leonor of Castile

Princess of Asturias

*September 10th, 1423, Valladolid †August 22nd, 1425, Castromonte

37

Georg von Peuerbach

Austrian mathematician and astronomer (1423-1461)

*May 30th, 1423, Peuerbach †April 8th, 1461, Vienna

84

Endres Tucher

German builder (1423-1507)

*April 5th, 1423, Nuremberg †April 14th, 1507

Birthdays of famous people

Public holidays on February 9th

Fixed holidays () which are celebrated on February 9th.

Date as a Roman numeral / digit

Leap year

No: With 365 days 1423 is a normal year and no leap year.

Calendar
February 1423