August 21st, 1777

Born on August 21st, 1777

Age in days, weeks and months
Wow, over 90,000 days old!

Why not celebrate an alternative birthday? In 101 days, exactly on October 15th, 2026, people who were born on August 21st, 1777 will be 91,000 days old!

... in seconds, minutes and hours

What happened on August 21st?

August 21st, 2007

BioShock was released in North America, becoming a critical success and a demonstration of video games as an art form.

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 (one pictured) 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 and 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 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 clans clashed with a regiment of Covenanters in the streets of Dunkeld, Scotland.

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

Same year
Born in 1777

77

Carl Friedrich Gauss

German mathematician and physicist (1777–1855)

*April 30th, 1777, Brunswick †February 23rd, 1855, Göttingen

73

Hans Christian Ørsted

Danish physicist and chemist (1777-1851)

*August 14th, 1777, Rudkøbing †March 9th, 1851, Copenhagen

47

Alexander I of Russia

The tenth Emperor of Russia (1801–1825)

*December 12th, 1777, Saint Petersburg †November 19th, 1825, Taganrog

79

John Ross

Scottish naval officer and polar explorer (1777–1856)

*June 24th, 1777, Stranraer †August 30th, 1856, London

58

Nathan Mayer Rothschild

German-born British financier (1777–1836)

*September 16th, 1777, Frankfurt †July 28th, 1836, Frankfurt

76

August Kestner

German diplomat and collector of art

*January 1st, 1777, Hanover †January 1st, 1853, Rome

72

Henri Marie Ducrotay de Blainville

French zoologist and anatomist (1777-1850)

*September 12th, 1777, Arques-la-Bataille †May 1st, 1850, Paris

75

Henry Clay

American politician from Kentucky (1777-1852)

*April 12th, 1777, Hanover County †June 29th, 1852, Washington, D.C.

83

Désirée Clary

Queen of Sweden and Norway as the consort of Charles XIV John

*November 8th, 1777, Marseille †December 17th, 1860, Stockholm

43

Elisa Bonaparte

French princess (1777-1820)

*January 3rd, 1777, Ajaccio †August 6th, 1820, Villa Vicentina

53

Francis I of the Two Sicilies

King of the Two Sicilies (1777-1830)

*August 14th, 1777, Naples †November 8th, 1830, Naples

80

Louis Jacques Thénard

French chemist (1777-1857)

*May 4th, 1777, La Louptière-Thénard †June 21st, 1857, Paris

76

Peter Motzfeldt

Norwegian politician (1777-1854)

*August 3rd, 1777, Orkdal Municipality †April 1st, 1854, Oslo

64

Fernando Errázuriz Aldunate

Provisional president of Chile (1777-1841)

*June 1st, 1777, Santiago †August 16th, 1841, Santiago

41

János Fusz

Hungarian musician

*December 16th, 1777, Tolna †March 9th, 1819, Buda

83

Louis Hersent

French painter (1777-1860)

*March 10th, 1777, Paris †October 2nd, 1860, Paris

81

Johann Heinrich Kopp

German naturalist

*September 17th, 1777, Hanau †November 28th, 1858, Hanau

78

Mary Reibey

Australian businesswoman

*May 12th, 1777, Bury †May 30th, 1855, Newtown

81

Nathaniel Claiborne

American politician (1777-1859)

*November 14th, 1777, Chesterfield Court House †August 15th, 1859, Rocky Mount

83

Heinrich Rudolf Schinz

Swiss zoologist (1777–1861)

*March 30th, 1777, Zürich †March 8th, 1861, Zürich

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

Leap year

No: With 365 days 1777 is a normal year and no leap year.

Calendar
August 1777