August 17th, 1521

Born on August 17th, 1521

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

Why not celebrate an alternative birthday? In 402 days, exactly on May 26th, 2025, people who were born on August 17th, 1521 will be 184,000 days old!

... in seconds, minutes and hours

What happened on August 17th?

August 17th, 2009

A hydroelectric turbine at the Sayano-Shushenskaya Dam in Russia catastrophically failed, flooding the turbine hall, killing 75 people and causing widespread power outages.

August 17th, 2008

Michael Phelps won his eighth gold medal of the Beijing Summer Olympics, the most golds by any person at a single games.

August 17th, 1969

Hurricane Camille struck the Mississippi coast of the United States, killing 259 people and causing $1.42 billion in damage..

August 17th, 1959

American musician Miles Davis released Kind of Blue, which became one of the best-selling and most critically acclaimed jazz recordings of all time.

August 17th, 1950

Korean War: Forty-two American prisoners of war were massacred by the Korean People's Army on a hill above Waegwan, South Korea.

August 17th, 1945

Animal Farm, George Orwell's satirical allegory of Soviet totalitarianism, was first published.

August 17th, 1943

Winston Churchill and Franklin D. Roosevelt met in a highly secret military conference (pictured) held in Quebec City.

August 17th, 1916

World War I: Romania signed a secret treaty with the Entente Powers, agreeing to enter the war in return for promised territory in Austria-Hungary.

August 17th, 1915

A category 4 hurricane made landfall in Galveston, Texas, leaving at least 275 people dead and causing $50 million in damage.

August 17th, 1914

World War I: Ignoring orders to retreat, Hermann von François led a successful counterattack defending East Prussia at the Battle of Stallupönen and scored the first German victory in the Eastern Front.

August 17th, 1907

Pike Place Market , one of the oldest continuously operated public farmers' markets in the U.S. and a popular tourist attraction, opened in Seattle, Washington.

August 17th, 1676

Scanian War: Swedish forces defeated Danish troops at the Battle of Halmstad.

August 17th, 1424

Hundred Years' War: Allied English and Burgundian forces gained a strategically important victory at the bloody Battle of Verneuil in Normandy, France.

August 17th, 0986

Byzantine–Bulgarian wars: The Bulgarians defeated Byzantine forces at the Battle of the Gates of Trajan near present-day Ihtiman, with Emperor Basil II barely escaping.

August 17th, 2017

Barcelona attacks: A van is driven into pedestrians in La Rambla, killing 14 and injuring at least 100.

Birthdays
... of famous people, actors, celebrities and stars on August 17th

Same Day
Who's birthday is on August 17th?

45

Vibeke Stene

Gothic metal soprano singer, ex female vocals of Tristania

*August 17th, 1978, Sokndal

80

Robert De Niro

American actor (born 1943)

*August 17th, 1943, Greenwich Village

20

The Kid Laroi

Australian rapper and singer (born 2003)

*August 17th, 2003, Waterloo

54

Markus Gisdol

German association football player and manager

*August 17th, 1969, Geislingen an der Steige

63

Pierre de Fermat

French mathematician and lawyer

*August 17th, 1601, Beaumont-de-Lomagne †January 12th, 1665, Castres

89

Jean-Jacques Sempé

French cartoon artist

*August 17th, 1932, Bordeaux †August 11th, 2022, Ampus

77

Judi Rollick

Badminton player

*August 17th, 1944, Seattle †April 5th, 2022

36

Bendik Brænne

Norwegian musician

*August 17th, 1987, Bærum Municipality

37

Marcus Berg

Swedish association football player

*August 17th, 1986, Torsby

87

Mona Andersson

Swedish actress

*August 17th, 1936, Örgryte församling

76

Anders Hatlo

Norwegian actor and film director

*August 17th, 1947, Larvik

46

Natasza Urbańska

Polish actress and singer

*August 17th, 1977, Warsaw

70

Herta Müller

German-Romanian novelist, poet and essayist

*August 17th, 1953, Nițchidorf

69

Ingrid Daubechies

Belgian physicist and mathematician

*August 17th, 1954, Houthalen-Helchteren

45

Mehdi Baala

French middle-distance runner

*August 17th, 1978, Strasbourg

96

Jiang Zemin

General Secretary of the Communist Party of China from 1989 to 2002

*August 17th, 1926, Yangzhou †November 30th, 2022, Shanghai

63

Sean Penn

American actor and filmmaker (born 1960)

*August 17th, 1960, Santa Monica

74

Julian Fellowes

English actor, dramatist, director, novelist, producer and screenwriter

*August 17th, 1949, Cairo

28

Gracie Gold

American figure skater

*August 17th, 1995, Newton

76

Robert von Mohl

German legal scholar and politician (1799–1875)

*August 17th, 1799, Stuttgart †November 4th, 1875, Berlin

Same year
Born in 1521

69

Urban VII

Pope

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

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

Birthdays of famous people

Public holidays on August 17th

Fixed holidays (Christian feast day) which are celebrated on August 17th.

Date as a Roman numeral / digit

Leap year

No: With 365 days 1521 is a normal year and no leap year.

Calendar
August 1521