August 21st, 1866

On this page

Born on August 21st, 1866 – 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 1866)

Born on August 21st, 1866

Weekday

Tuesday

August 21st, 1866 was a Tuesday.

Age

157

People born on August 21st, 1866 will turn 158 this year (2024), in exactly 123 days .

Zodiac

♌

Leo (The Lion)

July 23rd, 1866 - August 23rd, 1866

Age in days, weeks and months
Wow, over 57,000 days old!

Why not celebrate an alternative birthday? In 414 days, exactly on June 8th, 2025, people who were born on August 21st, 1866 will be 58,000 days old!

57,586 Days

8,226 Weeks

1,891 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

Born on August 21st, 1866

Archduke Franz Salvator of Austria

Austrian archduke (1866-1939)

*August 21st, 1866, Altmünster †April 20th, 1939, Vienna

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

Geoffrey Keen

English actor (1916–2005)

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

Usain Bolt

Jamaican sprinter

*August 21st, 1986, Sherwood Content

Roelof Dednam

Badminton player

*August 21st, 1985, Bloemfontein

Hermann Hammerschmidt

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

Steve Alten

American writer

*August 21st, 1959, Philadelphia

Wilhelm Ostwald

Baltic German chemist

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

Franz Kruckenberg

German engineer (1882-1965)

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

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

Melvin Van Peebles

American filmmaker

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

Alizée

French singer

*August 21st, 1984, Ajaccio

Anthony Boucher

American author, critic, and editor (1911–1968)

*August 21st, 1911, Oakland †April 29th, 1968, Oakland

Sergey Brin

American computer scientist and Internet entrepreneur

*August 21st, 1973, Moscow

Jack Weston

American actor

*August 21st, 1924, Cleveland †May 3rd, 1996, New York City

Robert Lewandowski

Polish association football player

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

Nigel Pearson

English association football player and manager (born 1963)

*August 21st, 1963, Nottingham

Same year
Born in 1866

Romain Rolland

French author (1866-1944)

*January 29th, 1866, Clamecy †December 30th, 1944, Vézelay

H. G. Wells

English writer (1866–1946)

*September 21st, 1866, Bromley †August 13th, 1946, London

Jacinto Benavente

Spanish writer (1866-1954)

*August 12th, 1866, Madrid †July 14th, 1954, Málaga

Wassily Kandinsky

Russian painter (1866–1944)

*December 4th, 1866, Moscow †December 13th, 1944, Neuilly-sur-Seine

Jeppe Aakjær

Danish poet and novelist

*September 10th, 1866, Åkær †April 22nd, 1930, Jenle

Gustav Adolf von Götzen

German explorer, diplomat and colonial administrator

*May 12th, 1866, Ścinawka Górna †December 2nd, 1910, Berlin

Thomas Hunt Morgan

American biologist (1866–1945)

*September 25th, 1866, Lexington †December 4th, 1945, Pasadena

Erik Satie

French composer and pianist (1866-1925)

*May 17th, 1866, Honfleur †July 1st, 1925, Paris

Sun Yat-sen

Chinese politician, physician, and revolutionary (1866–1925)

*November 12th, 1866, Tripteroides †March 11th, 1925, Peking Union Medical College Hospital

Alfred Werner

Swiss chemist Nobel laureate (1866-1919)

*December 12th, 1866, Mulhouse †November 15th, 1919, Zürich

René Quinton

French biologist, invented the treatment "Quinton serum", abandoned by modern medicine

*December 15th, 1866, Chaumes-en-Brie †July 9th, 1925, 17th arrondissement of Paris

Jean Francis Auburtin

French painter (1866-1930)

*December 2nd, 1866, 10th arrondissement of Paris †May 22nd, 1930, Dieppe

Ramsay MacDonald

British prime minister in 1924 and 1929 to 1935

*October 12th, 1866, Lossiemouth †November 9th, 1937, Atlantic Ocean

Benedetto Croce

Italian philosopher (1866-1952)

*February 25th, 1866, Pescasseroli †November 20th, 1952, Naples

Sigbjørn Obstfelder

Norwegian writer

*November 21st, 1866, Stavanger Municipality †July 29th, 1900, Copenhagen

Charles Nicolle

French microbiologist

*September 21st, 1866, Rouen †February 28th, 1936, Tunis

Nathan Söderblom

Swedish clergyman and archbishop

*January 15th, 1866, Trönö †July 12th, 1931, Uppsala

Beatrix Potter

British children's writer and illustrator (1866–1943)

*July 28th, 1866, South Kensington †December 22nd, 1943, Near Sawrey

Hans von Seeckt

German general (1866-1936)

*April 22nd, 1866, Schleswig †December 27th, 1936, Berlin

André Bellessort

French writer

*March 19th, 1866, Laval †January 22nd, 1942, Paris

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.MDCCCLXVI

21.8.1866

Legend

M = 1000

D = 500

C = 100

L = 50

X = 10

V = 5

I = 1

Leap year

No: With 365 days 1866 is a normal year and no leap year.

Calendar
August 1866

August 1866

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

Date of birth

Try another date

Your birthday is more than just a day in the calendar!

20. August 1866

July 1866

21. August 1865
21. August 1861
21. August 1856
21. August 1816
21. August 1766
21. August 1666

22. August 1866

September 1866

21. August 1867
21. August 1871
21. August 1876
21. August 1916
21. August 1966
21. August 2066

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, 1866

Born on August 21st, 1866

Weekday

Tuesday

Age

Zodiac

♌

Leo (The Lion)

Age in days, weeks and months Wow, over 57,000 days old!

57,586 Days

8,226 Weeks

1,891 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

Born on August 21st, 1866

Austrian archduke (1866-1939)

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

Same year Born in 1866

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

21.8.1866

Legend

Leap year

Calendar August 1866

August 1866

Date of birth

Try another date

Try another date

Age in days, weeks and months
Wow, over 57,000 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 1866

Calendar
August 1866

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