August 4th, 1423

Born on August 4th, 1423

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

Why not celebrate an alternative birthday? In 578 days, exactly on December 5th, 2025, people who were born on August 4th, 1423 will be 220,000 days old!

... in seconds, minutes and hours

What happened on August 4th?

August 4th, 2020

A large explosion of ammonium nitrate stored at the Port of Beirut in Lebanon killed 218 people and caused US$15 billion in damage.

August 4th, 2006

Sri Lankan Civil War: Seventeen employees of the French nongovernmental organization ACF International were massacred in Muttur.

August 4th, 1997

French supercentenarian Jeanne Calment died at the age of 122 years, 164 days, with the longest confirmed human lifespan in history.

August 4th, 1995

Yugoslav Wars: The Croatian Army initiated Operation Storm, the last major battle of the Croatian War of Independence and the largest European land battle since the Second World War.

August 4th, 1993

Yōhei Kōno, Chief Cabinet Secretary of Japan, issued a formal apology for forcing women into sexual slavery during World War II.

August 4th, 1991

An explosion on the Greek cruise ship MTS Oceanos ruptured its hull, causing it to sink off the east coast of South Africa, with all 571 people on board rescued.

August 4th, 1983

Jean-Baptiste Ouédraogo, the president of Upper Volta, was ousted in a coup d'état led by Thomas Sankara.

August 4th, 1972

President Idi Amin announced the expulsion of Asians from Uganda.

August 4th, 1964

Vietnam War: The National Security Agency falsely claimed that a U.S. Navy destroyer was attacked a second time by North Vietnamese vessels in the Gulf of Tonkin, leading Congress to authorize the use of military force.

August 4th, 1914

World War I: Adhering to the terms of the Treaty of London, the United Kingdom declared war on Germany in response to the latter's invasion of Belgium.

August 4th, 1892

Lizzie Borden's father and stepmother were found murdered in their home in Fall River, Massachusetts; Borden was later tried and acquitted for the murders.

August 4th, 1830

American surveyor James Thompson produced the first plat of Chicago for the Illinois and Michigan Canal Commissioners.

August 4th, 1796

French Revolutionary Wars: Commanded by Napoleon Bonaparte (depicted), the French Army of Italy decisively defeated Austrian forces led by Peter Vitus von Quosdanovich at the Battle of Lonato.

August 4th, 1791

The signing of the Treaty of Sistova brought an end to the Austro-Turkish War.

August 4th, 1783

Mount Asama (pictured) in Japan began a climactic eruption, which exacerbated the Great Tenmei famine and led to thousands of deaths.

Birthdays
... of famous people, actors, celebrities and stars on August 4th

Same Day
Who's birthday is on August 4th?

62

Barack Obama

President of the United States from 2009 to 2017

*August 4th, 1961, Kapiolani Medical Center for Women and Children

28

Cheryl Seinen

Badminton player

*August 4th, 1995, Roermond

34

Jim-Patrick Müller

German footballer

*August 4th, 1989, Munich

73

Laura Biagiotti

Italian fashion designer

*August 4th, 1943, Rome †May 26th, 2017, Rome

74

Siegfried Lauffer

German historian of graeco-roman history (1911-1986)

*August 4th, 1911, Stuttgart †April 2nd, 1986, Munich

39

Guo Zhendong

Chinese badminton player

*August 4th, 1984, Hubei

38

Antonio Valencia

Ecuadorian association football player

*August 4th, 1985, Nueva Loja

30

Emily Westwood

Badminton player

*August 4th, 1993, Hemel Hempstead

29

Alfian Eko Prasetya

Badminton player

*August 4th, 1994, Jakarta

28

Soo Teck Zhi

Badminton player

*August 4th, 1995, Kelana Jaya

28

Kittisak Namdash

Badminton player

*August 4th, 1995, Nakhon Phanom

69

Urban VII

Pope

*August 4th, 1521, Rome †September 27th, 1590, Rome

92

Knut Hamsun

Norwegian novelist (1859–1952)

*August 4th, 1859, Vågå †February 19th, 1952, Grimstad

69

Louis Armstrong

American jazz trumpeter and singer (1901–1971)

*August 4th, 1901, New Orleans †July 6th, 1971, New York City

33

Sander Rølvåg

Norwegian male curler

*August 4th, 1990, Sandnessjøen

51

Audrey Azoulay

French politician and official

*August 4th, 1972, La Celle-Saint-Cloud

53

John August

American film director and screenwriter

*August 4th, 1970, Boulder

29

Percy Bysshe Shelley

British Romantic poet (1792–1822)

*August 4th, 1792, Horsham †July 8th, 1822, La Spezia

31

Dylan Sprouse

American actor (born 1992)

*August 4th, 1992, Arezzo

31

Dylan Sprouse

American actor (born 1992)

*August 4th, 1992, Arezzo

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 4th

Fixed holidays (Christian feast day) which are celebrated on August 4th.

Date as a Roman numeral / digit

Leap year

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

Calendar
August 1423