August 4th, 1521

Born on August 4th, 1521

Age in days, weeks and months
Wow, over 183,000 days old!

Why not celebrate an alternative birthday? In 381 days, exactly on May 13th, 2025, people who were born on August 4th, 1521 will be 184,000 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, 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.

August 4th, 1704

War of the Spanish Succession: A combined Anglo-Dutch fleet under the command of George Rooke and allied with Archduke Charles captured Gibraltar (pictured) from Spain.

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

Born on August 4th, 1521

69

Urban VII

Pope

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

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

92

Knut Hamsun

Norwegian novelist (1859–1952)

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

49

Udai Singh II

King of Mewar and the founder of the city of Udaipur (1522-1572)

*August 4th, 1522, Chittorgarh †February 28th, 1572, Gogunda

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

67

Frederick T. Frelinghuysen

American politician (1817-1885)

*August 4th, 1817, Millstone †May 20th, 1885, Newark

Same year
Born in 1521

31

John Ernest, Duke of Saxe-Coburg

German duke

*May 10th, 1521, Coburg †February 8th, 1553, Coburg

53

Sebastian Ochsenkhun

German composer and luth player

*February 6th, 1521, Nuremberg †August 20th, 1574, Heidelberg

72

Xu Wei

Ming Dynasty painter (1521-1593)

*January 1st, 1521, Shaoxing †January 1st, 1593

51

Takeda Shingen

Japanese daimyo of the Sengoku period

*December 1st, 1521, Yogaisan Castle †May 13th, 1573, Ina district

76

Peter Canisius

Dutch, Jesuit priest, Doctor of the Church, Roman Catholic saint

*May 8th, 1521, Nijmegen †December 21st, 1597, Fribourg

48

François de Coligny d'Andelot

French general (1521-1569)

*April 18th, 1521, Châtillon-Coligny †May 27th, 1569, Saintes

32

Thomas Wyatt

English rebel leader during the reign of Queen Mary I (1521-1554)

*September 20th, 1521, Chatham †April 21st, 1554, London

77

Paul von Eitzen

German theologian (1521-1598)

*January 25th, 1521, Hamburg †February 25th, 1598, Schleswig

55

Simon Musaeus

German theologian

*March 25th, 1521, Vetschau/Spreewald †July 11th, 1576, Mansfeld

56

Maria of Portugal, Duchess of Viseu

Portuguese infanta (1521-1577)

*June 8th, 1521, Lisbon †October 10th, 1577, Lisbon

67

Lodovico Guicciardini

Italian historian (1521-1589)

*August 19th, 1521, Florence †March 22nd, 1589, Antwerp

76

Richard, Count Palatine of Simmern

Count Palatine of Simmern

*July 25th, 1521, Simmern †January 13th, 1598, Ravengiersburg

60

Daniel Brendel von Homburg

Roman Catholic archbishop

*November 30th, 1521, Aschaffenburg †January 1st, 1582, Aschaffenburg

32

Maurice of Saxony

Duke of Saxony and later Elector of Saxony (1521-1553)

*March 21st, 1521, Freiberg †July 9th, 1553, Sievershausen

64

Johannes Trautenbul

German jurist

*March 25th, 1521, Halberstadt †November 2nd, 1585, Halle (Saale)

59

John II, Duke of Schleswig-Holstein-Haderslev

Duke of Schleswig-Holstein-Haderslev

*June 29th, 1521, Haderslev †October 1st, 1580, Haderslev

59

Johann Marbach

German theologian

*April 14th, 1521, Lindau †March 17th, 1581, Strasbourg

49

Francesco Laparelli

Italian military engineer (1521-1570)

*April 5th, 1521, Cortona †October 20th, 1570, Heraklion

78

Jacob Heerbrand

German theologian (1521-1600)

*August 12th, 1521, Giengen an der Brenz †May 22nd, 1600, Tübingen

75

Beat Ludwig Mülinen

Swiss politician (1521-1597)

*September 1st, 1521, Bern †August 7th, 1597

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 1521 is a normal year and no leap year.

Calendar
August 1521