August 9th, 1423

Born on August 9th, 1423

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

Why not celebrate an alternative birthday? In 590 days, exactly on December 10th, 2025, people who were born on August 9th, 1423 will be 220,000 days old!

... in seconds, minutes and hours

What happened on August 9th?

August 9th, 2014

Michael Brown, an 18-year-old African-American man, was killed by a white police officer in Ferguson, Missouri, resulting in widespread protests and unrest.

August 9th, 2006

British police arrested 24 people for conspiring to detonate liquid explosives carried on board airliners travelling from the UK to the US and Canada.

August 9th, 2001

A suicide bomber attacked a pizza restaurant in Jerusalem, killing 15 people and wounding 130 others.

August 9th, 1988

Wayne Gretzky was traded from the Edmonton Oilers to the Los Angeles Kings in one of the most controversial player transactions in ice hockey history.

August 9th, 1974

On the verge of an impeachment and removal from office amidst the Watergate scandal, Richard Nixon became the first president of the United States to resign his office.

August 9th, 1971

The Troubles: British forces began arresting and interning suspected Irish republican militants in Northern Ireland.

August 9th, 1969

Members of the Manson Family invaded a house and murdered American actress Sharon Tate (pictured) and four guests in Los Angeles, before killing two more people the following night.

August 9th, 1965

The state of Singapore (flag pictured) was expelled from the Malaysian federation due to a heated ideological conflict between their respective ruling parties.

August 9th, 1960

Led by Albert Kalonji, South Kasai declared its unilateral secession from the Republic of the Congo (Léopoldville).

August 9th, 1945

World War II: The USAAF bomber Bockscar dropped a Fat Man atomic bomb (replica pictured) on Nagasaki, Japan.

August 9th, 1944

The United States Forest Service authorized the use of Smokey Bear as its mascot to replace Bambi.

August 9th, 1942

Shostakovich's Symphony No. 7 was premiered in Leningrad while the city was under siege by Nazi forces.

August 9th, 1934

The Blue Lotus, the fifth volume of The Adventures of Tintin by the Belgian cartoonist Hergé and noted for its emphasis on countering negative misconceptions of Chinese people, began serialisation.

August 9th, 1902

In a ceremony at Westminster Abbey, Edward VII and Alexandra were crowned King and Queen of the United Kingdom and the British Dominions, and Emperor and Empress of India.

August 9th, 1877

Nez Perce War: Both the Nez Perce and the United States Army suffered numerous casualties at the Battle of the Big Hole, which ended inconclusively.

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

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

85

Otto Rehhagel

German footballer and manager

*August 9th, 1938, Essen

37

Robert Adcock

Badminton player

*August 9th, 1986, Leicester

55

Gillian Anderson

American-British actress (born 1968)

*August 9th, 1968, Chicago

74

Hugo Blümner

German archaeologist and classical philologist

*August 9th, 1844, Berlin †January 1st, 1919, Zürich

48

Whitney Houston

American singer and actress

*August 9th, 1963, Newark †February 11th, 2012, The Beverly Hilton

77

Helga von Heintze

German-austrian classical archaeologist (1919-1996)

*August 9th, 1919, Bielsko-Biała †November 15th, 1996, Rome

84

Maria

Swiss psychologist, biologist, logician, philosopher and academic (1896-1980)

*August 9th, 1896, Neuchâtel †September 16th, 1980, Geneva

61

Annegret Kramp-Karrenbauer

German politician, former federal minister of defence

*August 9th, 1962, Völklingen

60

Petra Pau

German politician

*August 9th, 1963, Berlin

38

Anna Kendrick

American actress (born 1985)

*August 9th, 1985, Portland

47

Audrey Tautou

French actress

*August 9th, 1976, Beaumont

47

Jessica Capshaw

American actress (born 1976)

*August 9th, 1976, Columbia

56

Christian Baldauf

German politician (CDU), Member of Parliament in Rhineland-Palatinate

*August 9th, 1967, Frankenthal

97

Elizabeth Schuyler Hamilton

American philanthropist and wife of Alexander Hamilton (1757–1854)

*August 9th, 1757, Albany †November 9th, 1854, Washington, D.C.

68

John Dryden

17th-century English poet and playwright

*August 9th, 1631, Aldwincle †May 1st, 1700, London

65

Robert Aldrich

American film director, screenwriter and producer (1918-1983)

*August 9th, 1918, Cranston †December 5th, 1983, Los Angeles

98

Eileen Gray

Irish architect and designer (1878-1976)

*August 9th, 1878, Enniscorthy †October 31st, 1976, 14th arrondissement of Paris

28

Justice Smith

American actor

*August 9th, 1995, Los Angeles

86

Tove Jansson

Finnish children's writer and illustrator (1914–2001)

*August 9th, 1914, Helsinki †June 27th, 2001, Helsinki

62

John Key

Prime Minister of New Zealand from 2008 to 2016

*August 9th, 1961, Auckland

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 August 9th

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

Date as a Roman numeral / digit

Leap year

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

Calendar
August 1423