December 31st, 1521

Born on December 31st, 1521

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

Why not celebrate an alternative birthday? In 532 days, exactly on October 9th, 2025, people who were born on December 31st, 1521 will be 184,000 days old!

... in seconds, minutes and hours

What happened on December 31st?

December 31st, 1950

Korean War: North Korean troops attacked United Nations forces in the first of two battles at Wonju.

December 31st, 2010

28 tornadoes (one depicted) touched down in midwestern and southern United States, part of an outbreak that led to the deaths of nine people and large property damage.

December 31st, 1999

Russian prime minister Vladimir Putin became acting president upon President Boris Yeltsin's unexpected resignation.

December 31st, 1998

The European Exchange Rate Mechanism froze the exchange rates of the legacy currencies in the eurozone, establishing the value of the euro.

December 31st, 1993

Brandon Teena, an American trans man, was raped and murdered in Humboldt, Nebraska; his death led to increased lobbying for hate crime laws in the United States.

December 31st, 1986

Three disgruntled employees set fire to the Dupont Plaza Hotel in San Juan, Puerto Rico, killing more than 90 people and injuring 140 others, making it the second-deadliest hotel fire in United States history.

December 31st, 1972

Puerto Rican baseball player Roberto Clemente died in a plane crash en route to deliver aid to victims of that year's Nicaragua earthquake.

December 31st, 1965

Central African military officers led by Jean-Bédel Bokassa began a coup d'état against the government of President David Dacko.

December 31st, 1961

RTÉ, Ireland's first television network, began broadcasting.

December 31st, 1909

The Manhattan Bridge, connecting Lower Manhattan to Downtown Brooklyn and considered to be the forerunner of modern suspension bridges, opened to traffic.

December 31st, 1907

New York City held its first annual ball drop event in Times Square as part of New Year's Eve celebrations.

December 31st, 1862

The Battle of Stones River in Murfreesboro, Tennessee, began with an engagement in which both sides would suffer their highest casualty rates in the American Civil War.

December 31st, 1857

Queen Victoria announced the choice of Ottawa (pictured), then a small logging town, to be the capital of the British colony of Canada.

December 31st, 1775

American Revolutionary War: At the Battle of Quebec, British forces repulsed an attack by the Continental Army to capture Quebec City and enlist French Canadian support.

December 31st, 1759

Arthur Guinness signed a 9,000-year lease at £45 per annum to the St. James's Gate Brewery in Dublin and began brewing Guinness.

Birthdays
... of famous people, actors, celebrities and stars on December 31st

Same Day
Who's birthday is on December 31st?

65

Jacques Cartier

Breton maritime explorer of North America (1491–1557)

*December 31st, 1491, Saint-Malo †September 1st, 1557, Saint-Malo

78

Vernon Wells

Australian actor

*December 31st, 1945, Rushworth

49

Andreas Vesalius

Flemish anatomist, physician and author (1514–1564)

*December 31st, 1514, Mont aux Potences - Galgenberg †October 16th, 1564, Zakynthos

84

Henri Matisse

French artist (1869–1954)

*December 31st, 1869, Le Cateau-Cambrésis †November 3rd, 1954, Nice

31

Manu Attri

Badminton player

*December 31st, 1992, Meerut

86

Anthony Hopkins

Welsh actor and director (born 1937)

*December 31st, 1937, Port Talbot

65

Ferdinand Noack

German classical archaeologist and classical philologist (1865-1931)

*December 31st, 1865, Burgholzhausen vor der Höhe †September 21st, 1931, Berlin

57

Rudy Gunawan

Badminton player

*December 31st, 1966, Surakarta City

49

Bas Böttcher

German writer and poetry slam performer

*December 31st, 1974, Bremen

96

Simon Wiesenthal

Jewish Austrian Holocaust survivor and Nazi hunter

*December 31st, 1908, Buchach †September 20th, 2005, Vienna

67

Vaughan Jones

New Zealand mathematician and Fields Medalist

*December 31st, 1952, Gisborne †September 6th, 2020, Nashville

70

James Remar

American actor

*December 31st, 1953, Boston

88

Salman bin Abdulaziz Al Saud

King of Saudi Arabia since 2015

*December 31st, 1935, Riyadh

65

Bebe Neuwirth

American actress

*December 31st, 1958, Newark

51

Grégory Coupet

French association football player

*December 31st, 1972, Le Puy-en-Velay

78

George Marshall

American army officer and statesman (1880–1959)

*December 31st, 1880, Uniontown †October 16th, 1959, Washington, D.C.

87

Elizabeth Arden

Canadian American businesswoman

*December 31st, 1878, Woodbridge †October 18th, 1966, New York City

80

Ben Kingsley

English actor

*December 31st, 1943, Snainton

38

Jan Smit

Dutch singer and TV presenter

*December 31st, 1985, Volendam

93

Francesco Alberoni

Italian journalist and professor of sociology (1929–2023)

*December 31st, 1929, Borgonovo Val Tidone †August 14th, 2023, Milan

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 December 31st

Fixed holidays (Christian feast day, New Year's Eve) which are celebrated on December 31st.

Date as a Roman numeral / digit

Leap year

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

Calendar
December 1521