August 21st, 1817

On this page

Born on August 21st, 1817 – 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 1817)

Born on August 21st, 1817

Weekday

Thursday

August 21st, 1817 was a Thursday.

Age

206

People born on August 21st, 1817 will turn 207 this year (2024), in exactly 123 days .

Zodiac

♌

Leo (The Lion)

July 23rd, 1817 - August 23rd, 1817

Age in days, weeks and months
Wow, over 75,000 days old!

Why not celebrate an alternative birthday? In 517 days, exactly on September 19th, 2025, people who were born on August 21st, 1817 will be 76,000 days old!

75,483 Days

10,783 Weeks

2,479 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

Herry Iman Pierngadi

Badminton coach from Indonesia

*August 21st, 1962, Pangkal Pinang City

Joseph Derenbourg

Franco-German orientalist (1811-1895)

*August 21st, 1811, Mainz †July 29th, 1895, Bad Ems

Kim Bruun

Badminton player

*August 21st, 1993, Seoul

Hermann Hammerschmidt

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

Kimberley Ashton

Badminton player

*August 21st, 1987, Jersey

Wilhelm Ostwald

Baltic German chemist

*August 21st, 1853, Riga †April 4th, 1932, Großbothen

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

Alizée

French singer

*August 21st, 1984, Ajaccio

Franz Kruckenberg

German engineer (1882-1965)

*August 21st, 1882, Uetersen †June 19th, 1965, Heidelberg

Sergey Brin

American computer scientist and Internet entrepreneur

*August 21st, 1973, Moscow

Robert Lewandowski

Polish association football player

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

Melvin Van Peebles

American filmmaker

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

Eve Torres

American actress, dancer, model and professional wrestler

*August 21st, 1984, Boston

Same year
Born in 1817

Henry David Thoreau

American essayist, poet, and philosopher (1817–1862)

*July 12th, 1817, Wheeler-Minot Farmhouse †May 6th, 1862, Concord

Theodor Mommsen

German classical scholar and historian (1817–1903)

*November 30th, 1817, Garding †November 1st, 1903, Charlottenburg

Baháʼu'lláh

Founder of the Bahá'í Faith

*November 12th, 1817, Tehran †May 29th, 1892, Acre

Frederick T. Frelinghuysen

American politician (1817-1885)

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

Miguel Lafuente Alcántara

Spanish historian

*July 10th, 1817, Archidona †August 27th, 1850, Havana

Frederick Douglass

African-American social reformer, writer, and abolitionist (c. 1818 – 1895)

*January 31st, 1817, Talbot County †February 20th, 1895, Washington, D.C.

Theodor Storm

German writer

*September 14th, 1817, Husum †July 4th, 1888, Hanerau-Hademarschen

Joseph Dalton Hooker

British botanist, lichenologist, and surgeon (1817–1911)

*June 30th, 1817, Halesworth †December 10th, 1911, Sunningdale

Auguste-Alexandre Ducrot

French general (1817-1882)

*February 24th, 1817, Nevers †August 16th, 1882, Versailles

Justo Arosemena Quesada

Colombian politician and writer

*August 9th, 1817, Colombia †February 23rd, 1896, Bogotá

Rudolf von Delbrück

Prussian statesman under Bismarck (1817-1903)

*April 16th, 1817, Berlin †February 1st, 1903, Berlin

Aimé Maillart

French composer

*March 24th, 1817, Montpellier †May 26th, 1871, Moulins

Ivan Aivazovsky

Russian marine painter (1817-1900)

*July 17th, 1817, Feodosiia †April 19th, 1900, Feodosiia

Jules d'Aoust

French noble and composer (1817-1886)

*March 16th, 1817, Arras †January 21st, 1886, Paris

Genova Thaon di Revel

Italian politician (1817-1910)

*November 20th, 1817, Genoa †September 3rd, 1910, Como

Charles Auguste Fraikin

Belgian curator and sculptor

*June 14th, 1817, Herentals †November 22nd, 1893, Schaerbeek

Ramón de Campoamor

Spanish author (1817-1901)

*September 24th, 1817, Navia †February 11th, 1901, Madrid

Heinrich von Sybel

German historian (1817-1895)

*December 2nd, 1817, Düsseldorf †August 1st, 1895, Marburg

Maria Merkert

Superior General of the Congregation of St Elizabeth

*September 21st, 1817, Nysa †November 14th, 1872, Nysa

Adolphe, Grand Duke of Luxembourg

Duke of Nassau (1839–1866), later Grand Duke of Luxembourg (1890–1905)

*July 24th, 1817, Biebrich Palace †November 17th, 1905, Lenggries

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.MDCCCXVII

21.8.1817

Legend

M = 1000

D = 500

C = 100

X = 10

V = 5

I = 1

Leap year

No: With 365 days 1817 is a normal year and no leap year.

Calendar
August 1817

August 1817

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

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

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

August 21st, 1817

Born on August 21st, 1817

Weekday

Thursday

Age

Zodiac

♌

Leo (The Lion)

Age in days, weeks and months Wow, over 75,000 days old!

75,483 Days

10,783 Weeks

2,479 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 1817

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

21.8.1817

Legend

Leap year

Calendar August 1817

August 1817

Date of birth

Try another date

Try another date

Age in days, weeks and months
Wow, over 75,000 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 1817

Calendar
August 1817

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