August 21st, 1521

On this page

Born on August 21st, 1521 – Weekday, Age & Zodiac
Age in days, weeks and months
What happened on August 21st?
Birthdays of famous people
Public holidays on August 21st
Date as a Roman numeral / digit
Calendar (August 1521)

Born on August 21st, 1521

Weekday

Sunday

August 21st, 1521 was a Sunday.

Age

502

People born on August 21st, 1521 will turn 503 this year (2024), in exactly 120 days .

Zodiac

♌

Leo (The Lion)

July 23rd, 1521 - August 23rd, 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 30th, 2025, people who were born on August 21st, 1521 will be 184,000 days old!

183,598 Days

26,228 Weeks

6,032 Months

... in seconds, minutes and hours

Seconds

Minutes

Hours

What happened on August 21st?

August 21st, 2015

Passengers on a Thalys train from Amsterdam to Paris confronted and subdued an attacker who attempted a mass shooting.

August 21st, 2013

Syrian civil war: Areas controlled by the Syrian opposition in Ghouta, Damascus, were attacked by rockets (launcher pictured) containing sarin, killing at least 281 people.

August 21st, 1986

A limnic eruption of Lake Nyos in Cameroon released a cloud of carbon dioxide, suffocating 1,746 people and 3,500 livestock.

August 21st, 1963

South Vietnamese special forces loyal to Ngô Đình Nhu, the brother of President Ngô Đình Diệm, raided and vandalised Buddhist pagodas across the country, arresting thousands and leaving hundreds dead.

August 21st, 1945

American physicist Harry Daghlian accidentally dropped a tungsten carbide brick onto a plutonium bomb core, exposing himself to neutron radiation and later becoming the first Manhattan Project fatality due to a criticality accident.

August 21st, 1944

World War II: A combined Canadian–Polish force captured the town of Falaise, France, in the final offensive of the Battle of Normandy.

August 21st, 1942

World War II: The Imperial Japanese Army lost the Battle of the Tenaru, the first of its three major land offensives during the Guadalcanal Campaign.

August 21st, 1911

Leonardo da Vinci's Mona Lisa (pictured) was stolen from the Louvre by museum employee Vincenzo Peruggia and was not recovered until two years later.

August 21st, 1858

The first of seven debates between Abraham Lincoln and Stephen A. Douglas (both pictured), candidates for an Illinois seat in the U.S. Senate, was held in Ottawa, Illinois.

August 21st, 1808

Peninsular War: British–Portuguese forces put an end to the first French invasion of Portugal at the Battle of Vimeiro.

August 21st, 1789

The national colours of Italy first appeared on a tricolour cockade in Genoa.

August 21st, 1717

Austro-Turkish War: Austrian troops under the command of Prince Eugene of Savoy captured the strategically important city of Belgrade from the Ottoman Empire.

August 21st, 1716

Seventh Ottoman–Venetian War: Ottoman forces suddenly abandoned their siege of Corfu, allowing the Republic of Venice to preserve its rule over the Ionian Islands.

August 21st, 1689

Jacobite risings: Jacobite clans clashed with a regiment of Covenanters in the streets of Dunkeld, Scotland.

August 21st, 1689

The Battle of Dunkeld in Scotland.

Birthdays
... of famous people, actors, celebrities and stars on August 21st

Same Day
Who's birthday is on August 21st?

Elīza Tīruma

Latvian luger

*August 21st, 1990, Sigulda

Malynda Hale

Musical artist

*August 21st, 1986, Santa Barbara

Usain Bolt

Jamaican sprinter

*August 21st, 1986, Sherwood Content

Roelof Dednam

Badminton player

*August 21st, 1985, Bloemfontein

Geoffrey Keen

English actor (1916–2005)

*August 21st, 1916, Wallingford †November 3rd, 2005, Northwood

Steve Alten

American writer

*August 21st, 1959, Philadelphia

Stephen Hillenburg

American marine science educator and artist (1961-2018)

*August 21st, 1961, Fort Sill †November 26th, 2018, San Marino

Kim Bruun

Badminton player

*August 21st, 1993, Seoul

Herry Iman Pierngadi

Badminton coach from Indonesia

*August 21st, 1962, Pangkal Pinang City

Kimberley Ashton

Badminton player

*August 21st, 1987, Jersey

Bartholomäus Sastrow

German politician (1520–1603)

*August 21st, 1520, Greifswald †February 7th, 1603, Stralsund

Alizée

French singer

*August 21st, 1984, Ajaccio

Hermann Hammerschmidt

*August 21st, 1887, Cottbus †November 30th, 1944

Robert Lewandowski

Polish association football player

*August 21st, 1988, Leszno, Warsaw West County

Sergey Brin

American computer scientist and Internet entrepreneur

*August 21st, 1973, Moscow

William IV

King of the United Kingdom of Great Britain and Ireland and of Hanover from 1830 to 1837

*August 21st, 1765, Buckingham Palace †June 20th, 1837, Windsor Castle

Eve Torres

American actress, dancer, model and professional wrestler

*August 21st, 1984, Boston

Nigel Pearson

English association football player and manager (born 1963)

*August 21st, 1963, Nottingham

Melvin Van Peebles

American filmmaker

*August 21st, 1932, Chicago †September 21st, 2021, Manhattan

Mohammed

King of Morocco since 1999

*August 21st, 1963, Rabat

Same year
Born in 1521

Urban VII

Pope

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

John Ernest, Duke of Saxe-Coburg

German duke

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

Sebastian Ochsenkhun

German composer and luth player

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

Xu Wei

Ming Dynasty painter (1521-1593)

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

Takeda Shingen

Japanese daimyo of the Sengoku period

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

Peter Canisius

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

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

François de Coligny d'Andelot

French general (1521-1569)

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

Thomas Wyatt

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

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

Paul von Eitzen

German theologian (1521-1598)

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

Simon Musaeus

German theologian

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

Maria of Portugal, Duchess of Viseu

Portuguese infanta (1521-1577)

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

Lodovico Guicciardini

Italian historian (1521-1589)

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

Richard, Count Palatine of Simmern

Count Palatine of Simmern

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

Daniel Brendel von Homburg

Roman Catholic archbishop

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

Maurice of Saxony

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

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

Johannes Trautenbul

German jurist

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

John II, Duke of Schleswig-Holstein-Haderslev

Duke of Schleswig-Holstein-Haderslev

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

Johann Marbach

German theologian

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

Francesco Laparelli

Italian military engineer (1521-1570)

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

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 21st

Fixed holidays (Christian Feast Day) which are celebrated on August 21st.

Date as a Roman numeral / digit

XXI.VIII.MDXXI

21.8.1521

Legend

M = 1000

D = 500

X = 10

V = 5

I = 1

Leap year

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

Calendar
August 1521

August 1521

w#	Mo	Tu	We	Th	Fr	Sa	Su
31	1	2	3	4	5	6	7
32	8	9	10	11	12	13	14
33	15	16	17	18	19	20	21
34	22	23	24	25	26	27	28
35	29	30	31

w#	Mo	Tu	We	Th	Fr	Sa	Su
31	1	2	3	4	5	6	7
32	8	9	10	11	12	13	14
33	15	16	17	18	19	20	21
34	22	23	24	25	26	27	28
35	29	30	31

w#	Mo	Tu	We	Th	Fr	Sa	Su
31	1	2	3	4	5	6	7
32	8	9	10	11	12	13	14
33	15	16	17	18	19	20	21
34	22	23	24	25	26	27	28
35	29	30	31

August 21st, 1521

Born on August 21st, 1521

Weekday

Sunday

Age

Zodiac

♌

Leo (The Lion)

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

183,598 Days

26,228 Weeks

6,032 Months

... in seconds, minutes and hours

Seconds

Minutes

Hours

What happened on August 21st?

Passengers on a Thalys train from Amsterdam to Paris confronted and subdued an attacker who attempted a mass shooting.

Syrian civil war: Areas controlled by the Syrian opposition in Ghouta, Damascus, were attacked by rockets (launcher pictured) containing sarin, killing at least 281 people.

A limnic eruption of Lake Nyos in Cameroon released a cloud of carbon dioxide, suffocating 1,746 people and 3,500 livestock.

South Vietnamese special forces loyal to Ngô Đình Nhu, the brother of President Ngô Đình Diệm, raided and vandalised Buddhist pagodas across the country, arresting thousands and leaving hundreds dead.

American physicist Harry Daghlian accidentally dropped a tungsten carbide brick onto a plutonium bomb core, exposing himself to neutron radiation and later becoming the first Manhattan Project fatality due to a criticality accident.

World War II: A combined Canadian–Polish force captured the town of Falaise, France, in the final offensive of the Battle of Normandy.

World War II: The Imperial Japanese Army lost the Battle of the Tenaru, the first of its three major land offensives during the Guadalcanal Campaign.

Leonardo da Vinci's Mona Lisa (pictured) was stolen from the Louvre by museum employee Vincenzo Peruggia and was not recovered until two years later.

The first of seven debates between Abraham Lincoln and Stephen A. Douglas (both pictured), candidates for an Illinois seat in the U.S. Senate, was held in Ottawa, Illinois.

Peninsular War: British–Portuguese forces put an end to the first French invasion of Portugal at the Battle of Vimeiro.

The national colours of Italy first appeared on a tricolour cockade in Genoa.

Austro-Turkish War: Austrian troops under the command of Prince Eugene of Savoy captured the strategically important city of Belgrade from the Ottoman Empire.

Seventh Ottoman–Venetian War: Ottoman forces suddenly abandoned their siege of Corfu, allowing the Republic of Venice to preserve its rule over the Ionian Islands.

Jacobite risings: Jacobite clans clashed with a regiment of Covenanters in the streets of Dunkeld, Scotland.

The Battle of Dunkeld in Scotland.

Birthdays ... of famous people, actors, celebrities and stars on August 21st

Same Day Who's birthday is on August 21st?

Same year Born in 1521

Birthdays of famous people

Public holidays on August 21st

Abraham of Smolensk (Eastern Orthodox Church)

Euprepius of Verona

Maximilian of Antioch

Our Lady of Knock

Pope Pius X

Sidonius Apollinaris

August 21 (Eastern Orthodox liturgics)

Ninoy Aquino Day (Philippines)

Youth Day (Morocco)

World Senior Citizen's Day

Date as a Roman numeral / digit

21.8.1521

Legend

Leap year

Calendar August 1521

August 1521

Date of birth

Try another date

Try another date

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

Birthdays
... of famous people, actors, celebrities and stars on August 21st

Same Day
Who's birthday is on August 21st?

Same year
Born in 1521

Calendar
August 1521

w#	Mo	Tu	We	Th	Fr	Sa	Su
31	1	2	3	4	5	6	7
32	8	9	10	11	12	13	14
33	15	16	17	18	19	20	21
34	22	23	24	25	26	27	28
35	29	30	31