August 21st, 1781

On this page

Born on August 21st, 1781 – 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 1781)

Born on August 21st, 1781

Weekday

Tuesday

August 21st, 1781 was a Tuesday.

Age

242

People born on August 21st, 1781 will turn 243 this year (2024), in exactly 116 days .

Zodiac

♌

Leo (The Lion)

July 23rd, 1781 - August 23rd, 1781

Age in days, weeks and months
Wow, over 88,000 days old!

Why not celebrate an alternative birthday? In 362 days, exactly on April 24th, 2025, people who were born on August 21st, 1781 will be 89,000 days old!

88,638 Days

12,662 Weeks

2,912 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

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

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

Kim Bruun

Badminton player

*August 21st, 1993, Seoul

Kimberley Ashton

Badminton player

*August 21st, 1987, Jersey

Hermann Hammerschmidt

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

Augustin-Louis Cauchy

French mathematician (1789–1857)

*August 21st, 1789, Paris †May 23rd, 1857, Sceaux

Alizée

French singer

*August 21st, 1984, Ajaccio

Wilhelm Ostwald

Baltic German chemist

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

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

Eve Torres

American actress, dancer, model and professional wrestler

*August 21st, 1984, Boston

Melvin Van Peebles

American filmmaker

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

Nigel Pearson

English association football player and manager (born 1963)

*August 21st, 1963, Nottingham

Same year
Born in 1781

George Stephenson

English civil and mechanical engineer and the "Father of Railways" (1781-1848)

*June 9th, 1781, Wylam †August 12th, 1848, Tapton House

Karl Friedrich Schinkel

Prussian architect, city planner and painter (1781–1841)

*March 13th, 1781, Neuruppin †October 9th, 1841, Berlin

Bernard Bolzano

Bohemian mathematician and priest (*1781 – †1848)

*October 5th, 1781, Prague †December 18th, 1848, Prague

Thomas Stamford Raffles

British statesman who founded Singapore (1781-1826)

*July 6th, 1781, Jamaica †July 5th, 1826, London

Adolphe Marbot

French general

*March 22nd, 1781, Altillac †June 2nd, 1844, Altillac

David Brewster

British astronomer and mathematician (1781–1868)

*December 11th, 1781, Jedburgh †February 10th, 1868, Melrose

Ludwig Achim von Arnim

German poet and novelist

*January 26th, 1781, Palais Wrangel †January 21st, 1831, Wiepersdorf manor

Louis François Dauprat

French composer

*May 24th, 1781, Paris †July 16th, 1868, Paris

José María Calatrava y Peinado

Prime Minister of Spain and Minister of State

*February 26th, 1781, Mérida †January 16th, 1847, Madrid

Eugène de Beauharnais

French nobleman, statesman, and military commander (1781–1824)

*September 3rd, 1781, Paris †February 21st, 1824, Munich

Jean-Baptiste Métivier

French architect (1781-1853)

*April 1st, 1781, Rennes †January 1st, 1857, Munich

Siméon Denis Poisson

French mathematician, mechanician and physicist (1781–1840)

*June 21st, 1781, Pithiviers †April 25th, 1840, Sceaux

Valentín Gómez Farías

President of Mexico (1781-1858)

*February 14th, 1781, Guadalajara †July 5th, 1858, Mexico City

Johann Baptist von Spix

Biologist (1781-1826)

*January 9th, 1781, Höchstadt an der Aisch †March 13th, 1826, Munich

Adelbert von Chamisso

German poet and botanist (1781–1838)

*January 30th, 1781, Châlons-en-Champagne †August 21st, 1838, Berlin

George Bruce

Scottish-American inventor and businessman

*July 5th, 1781, Edinburgh †July 6th, 1866, New York City

Sir William Parker, 1st Baronet, of Shenstone

British Royal Navy admiral (1781-1866)

*December 1st, 1781, Almington †November 13th, 1866, Shenstone

Friedrich Schmalz

German farmer

*June 25th, 1781, Zeitz †May 23rd, 1847, Dresden

Joaquín Manuel Fernández Cruzado

Spanish painter (1781-1856)

*December 24th, 1781, Jerez de la Frontera †January 31st, 1856, Cádiz

Francisco Espoz y Mina

Spanish military commander

*June 17th, 1781, Idocin †December 24th, 1836, Barcelona

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.MDCCLXXXI

21.8.1781

Legend

M = 1000

D = 500

C = 100

L = 50

X = 10

V = 5

I = 1

Leap year

No: With 365 days 1781 is a normal year and no leap year.

Calendar
August 1781

August 1781

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

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

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

August 21st, 1781

Born on August 21st, 1781

Weekday

Tuesday

Age

Zodiac

♌

Leo (The Lion)

Age in days, weeks and months Wow, over 88,000 days old!

88,638 Days

12,662 Weeks

2,912 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 1781

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

21.8.1781

Legend

Leap year

Calendar August 1781

August 1781

Date of birth

Try another date

Try another date

Age in days, weeks and months
Wow, over 88,000 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 1781

Calendar
August 1781

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