August 21st, 1666

On this page

Born on August 21st, 1666 – 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 1666)

Born on August 21st, 1666

Weekday

Saturday

August 21st, 1666 was a Saturday.

Age

357

People born on August 21st, 1666 will turn 358 this year (2024), in exactly 120 days .

Zodiac

♌

Leo (The Lion)

July 23rd, 1666 - August 23rd, 1666

Age in days, weeks and months
Wow, over 130,000 days old!

Why not celebrate an alternative birthday? In 363 days, exactly on April 21st, 2025, people who were born on August 21st, 1666 will be 131,000 days old!

130,637 Days

18,662 Weeks

4,292 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

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

Paul Zeiller

Austrian painter (1658-1738)

*August 21st, 1658, Reutte †August 19th, 1738, Reutte

Hermann Hammerschmidt

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

Alizée

French singer

*August 21st, 1984, Ajaccio

Robert Lewandowski

Polish association football player

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

Giacomo F. Maraldi

French-Italian astronomer and mathematician (1665-1729)

*August 21st, 1665, Perinaldo †December 1st, 1729, Paris

Sergey Brin

American computer scientist and Internet entrepreneur

*August 21st, 1973, Moscow

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

Same year
Born in 1666

Magnus Berg

Painter and sculptor (1666-1739)

*November 28th, 1666, Gudbrandsdalen †March 31st, 1739, Copenhagen

Ivan V of Russia

Tsar of Russia from 1682 to 1696

*August 27th, 1666, Moscow †January 29th, 1696, Moscow

Jean-Féry Rebel

French Baroque composer and violinist

*April 18th, 1666, Paris †January 2nd, 1747, Paris

Sophia Dorothea of Celle

Wife of George I of Great Britain (1666-1726)

*September 15th, 1666, Celle Castle †November 13th, 1726, Ahlden House

Victor Amadeus II of Savoy

Duke of Savoy and King of Sardinia (1675-1732)

*May 14th, 1666, Turin †October 31st, 1732, Moncalieri

Guru Gobind Singh

Tenth Sikh Guru (1666–1708)

*December 22nd, 1666, Patna †October 7th, 1708, Nanded

Anna Maria Ehrenstrahl

Swedish artist (1666-1729)

*September 4th, 1666, Stockholm †October 22nd, 1729, Parish of St Gertrud of Germany

Benedetto Luti

Italian painter (1666–1724)

*November 17th, 1666, Florence †June 17th, 1724, Rome

Carl Gustaf Armfeldt

Swedish general during the Great Northern War

*November 9th, 1666, Swedish Ingria †October 24th, 1736, Pernå

Gurdon Saltonstall

Governor of Connecticut (1666-1724)

*March 27th, 1666, Haverhill †September 20th, 1724, New London

George Hamilton, 1st Earl of Orkney

Scottish nobleman and field marshal

*February 9th, 1666, Hamilton Palace †January 29th, 1737, London

Sigmund Friedrich Khevenhüller

(1666-1742)

*September 17th, 1666, Klagenfurt †December 8th, 1742, Vienna

Giuseppe Giovanni Battista Guarneri

Italian luthier

*November 25th, 1666, Cremona †January 1st, 1739, Cremona

George Granville

1st Baron Lansdowne

*March 9th, 1666, London †January 29th, 1735, Hanover Square

Conrad Mel

German theologian (1666-1733)

*August 14th, 1666, Gudensberg †May 3rd, 1733, Bad Hersfeld

Jean-Jacques Bouhier de Lantenay

French bishop (1666-1744)

*March 14th, 1666, Dijon †October 15th, 1744, Dijon

Attilio Ariosti

Italian composer

*November 5th, 1666, Bologna †January 1st, 1729, London

Odoardo Farnese, Hereditary Prince of Parma

Prince of Parma

*August 12th, 1666, Colorno †September 6th, 1693, Parma

George Bähr

German architect

*March 15th, 1666, Fürstenwalde †March 16th, 1738, Dresden

Johann Daniel Preissler

German painter (1666-1737)

*January 17th, 1666, Nuremberg †October 13th, 1737, Nuremberg

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.MDCLXVI

21.8.1666

Legend

M = 1000

D = 500

C = 100

L = 50

X = 10

V = 5

I = 1

Leap year

No: With 365 days 1666 is a normal year and no leap year.

Calendar
August 1666

August 1666

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

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

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

August 21st, 1666

Born on August 21st, 1666

Weekday

Saturday

Age

Zodiac

♌

Leo (The Lion)

Age in days, weeks and months Wow, over 130,000 days old!

130,637 Days

18,662 Weeks

4,292 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 1666

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

21.8.1666

Legend

Leap year

Calendar August 1666

August 1666

Date of birth

Try another date

Try another date

Age in days, weeks and months
Wow, over 130,000 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 1666

Calendar
August 1666

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