August 21st, 1817

Born on August 21st, 1817

Age in days, weeks and months
Wow, over 76,000 days old!

Why not celebrate an alternative birthday? In 742 days, exactly on June 15th, 2028, people who were born on August 21st, 1817 will be 77,000 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 1817

44

Henry David Thoreau

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

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

85

Theodor Mommsen

German classical scholar and historian (1817–1903)

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

74

Baháʼu'lláh

Founder of the Bahá'í Faith (1817–1892)

*November 12th, 1817, Mirza Bozorg Nuri House †May 29th, 1892, Acre

67

Frederick T. Frelinghuysen

American lawyer and politician (1817–1885)

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

33

Miguel Lafuente Alcántara

Spanish historian

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

54

Aimé Maillart

French composer

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

85

Rudolf von Delbrück

Prussian statesman under Bismarck (1817-1903)

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

76

Charles Auguste Fraikin

Belgian curator and sculptor (1817–1893)

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

78

Frederick Douglass

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

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

70

Theodor Storm

German writer

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

73

William III of the Netherlands

King of the Netherlands and Grand Duke of Luxembourg (1817–1890)

*February 19th, 1817, Palace of the Nation †November 23rd, 1890, Het Loo Palace

94

Joseph Dalton Hooker

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

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

57

Pierre Larousse

French grammarian, lexicographer and encyclopaedist

*October 23rd, 1817, Toucy †January 3rd, 1875, Paris

66

Charles-Adolphe Wurtz

French chemist (1717-1784)

*November 26th, 1817, Strasbourg †May 12th, 1884, Paris

83

Ramón de Campoamor

Spanish author (1817-1901)

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

77

Heinrich von Sybel

German historian (1817-1895)

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

75

Bernhard Windscheid

German jurist (1817–1892)

*June 26th, 1817, Düsseldorf †October 26th, 1892, Leipzig

81

Serafino Dubois

Italian chess player (1817–1899)

*October 10th, 1817, Rome †January 15th, 1899, Rome

55

Maria Merkert

Superior General of the Congregation of St Elizabeth

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

88

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

Leap year

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

Calendar
August 1817