December 12th, 1787

Born on December 12th, 1787

Age in days, weeks and months
Wow, over 86,000 days old!

Why not celebrate an alternative birthday? In 668 days, exactly on February 22nd, 2026, people who were born on December 12th, 1787 will be 87,000 days old!

... in seconds, minutes and hours

What happened on December 12th, 1787?

December 12th, 1787

Pennsylvania becomes the second state to ratify the US Constitution.

en.wikipedia.org/wiki/Pennsylvania

What else happened on December 12th?

December 12th, 2021

At the season-ending Abu Dhabi Grand Prix, Max Verstappen overtook Lewis Hamilton in the final lap to become the World Drivers' Champion.

December 12th, 2000

The U.S. Supreme Court ruled in Bush v. Gore that the recount of ballots cast in Florida for the presidential election be stopped, effectively making George W. Bush (pictured) the winner.

December 12th, 1988

Three trains collided near Clapham Junction railway station in London, killing 35 people and injuring 484 others.

December 12th, 1985

Arrow Air Flight 1285R crashed after takeoff in Gander, Newfoundland, Canada, killing 256 people, including 248 members of the U.S. Army's 101st Airborne Division.

December 12th, 1969

The Greek junta announced its withdrawal from the Council of Europe after the junta was found guilty of torture and other human-rights violations by the European Commission of Human Rights.

December 12th, 1964

Jomo Kenyatta became the first president of the Republic of Kenya.

December 12th, 1942

World War II: German troops began Operation Winter Storm, an attempt to relieve encircled Axis forces during the Battle of Stalingrad.

December 12th, 1941

The Holocaust: At a Nazi Party meeting in the Reich Chancellery, Adolf Hitler declared the imminent destruction of the Jewish people.

December 12th, 1939

The Royal Navy destroyer HMS Duchess collided with HMS Barham, the battleship she was escorting, sinking with heavy loss of life.

December 12th, 1936

Generalissimo Chiang Kai-shek of the Republic of China was kidnapped by Marshal Chang Hsueh-liang, a former warlord of Manchuria.

December 12th, 1935

The Nazi Lebensborn programme, which was later mistakenly believed to engage in coercive breeding, was established to provide assistance to the wives of SS members and unmarried mothers.

December 12th, 1905

In support of the December Uprising in Moscow, the Council of Workers' Deputies of Kyiv staged a mass uprising, establishing the Shuliavka Republic in the city.

December 12th, 1866

England's worst mining disaster occurred when a series of explosions (depicted) caused by flammable gases ripped through the Oaks Colliery, killing 361 people.

December 12th, 0627

A Byzantine army under Emperor Heraclius defeated Emperor Khosrow II's Persian forces, commanded by General Rhahzadh, near present-day Mosul, Iraq.

Birthdays
... of famous people, actors, celebrities and stars on December 12th

Born on December 12th, 1787

54

David Assur Assing

German writer (1787-1842)

*December 12th, 1787, Königsberg †April 25th, 1842, Hamburg

Same Day
Who's birthday is on December 12th?

47

Alexander I of Russia

Tsar of the Russian Empire from 1801 to 1825

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

50

Sven Beuckert

German association football player and manager

*December 12th, 1973, Stollberg

70

William L. Marcy

American politician (1786-1857)

*December 12th, 1786, Southbridge †July 4th, 1857, Ballston Spa

24

Marwa Loud

French singer

*December 12th, 1999, Strasbourg

82

Frank Sinatra

American singer and actor (1915–1998)

*December 12th, 1915, Hoboken †May 14th, 1998, Los Angeles

52

Michael Möllenbeck

German discus thrower

*December 12th, 1969, Wesel †November 2nd, 2022, Wesel

80

Edvard Munch

Norwegian painter (1863–1944)

*December 12th, 1863, Ådalsbruk †January 23rd, 1944, Ekely

56

Marie Louise I, Duchess of Parma

Empress Consort of France (1810–1814) and Monarch of Parma, Piacenza and Guastalla (1814-1847)

*December 12th, 1791, Vienna †December 17th, 1847, Parma

64

Helen Dunmore

British novelist

*December 12th, 1952, Beverley †June 5th, 2017, Bristol

63

Volker Beck

German politician

*December 12th, 1960, Stuttgart

65

John Osborne

English playwright (1929-1994)

*December 12th, 1929, London †December 24th, 1994, Shropshire

90

Caldwell Esselstyn

American physician, author and rower

*December 12th, 1933, New York City

58

Gustave Flaubert

French novelist (1821–1880)

*December 12th, 1821, Rouen †May 8th, 1880, Croisset

52

Alfred Werner

Swiss chemist Nobel laureate (1866-1919)

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

70

Erasmus Darwin

English physician (1731-1802)

*December 12th, 1731, Elston †April 18th, 1802, Breadsall

55

Rory Kennedy

American filmmaker

*December 12th, 1968, Washington, D.C.

49

Nolberto Solano

Peruvian footballer

*December 12th, 1974, Callao

53

Jennifer Connelly

American actress

*December 12th, 1970, Cairo

27

Lucas Hedges

American actor

*December 12th, 1996, Brooklyn

81

Cliff Sterrett

American cartoonist

*December 12th, 1883, Fergus Falls †December 28th, 1964, New York City

Same year
Born in 1787

63

Louis Daguerre

French photographer, inventor of Daguerrotype (1787–1851)

*November 18th, 1787, Cormeilles-en-Parisis †July 10th, 1851, Bry-sur-Marne

84

Michele Carafa

Italian opera composer

*November 17th, 1787, Naples †July 26th, 1872, Paris

86

François Guizot

French historian, orator and statesman (1787–1874)

*October 4th, 1787, Nîmes †September 12th, 1874, Abbey of Val-Richer

39

Joseph von Fraunhofer

Bavarian physicist and optical lens manufacturer

*March 6th, 1787, Straubing †June 7th, 1826, Munich

73

Johan Fredrik Berwald

Swedish musician

*December 4th, 1787, Stockholm †August 26th, 1861, Stockholm

81

Jan Evangelista Purkyně

Czech biologist, physiologist, doctor, inventor and politician (1787–1869)

*December 17th, 1787, Libochovice †July 28th, 1869, Prague

74

Karl von Wachsmann

German writer

*September 27th, 1787, Zielona Góra †August 28th, 1862, Dresden

70

William Daniel Conybeare

English geologist and palaeontologist (1787-1857)

*June 7th, 1787, Horsham †August 12th, 1857, Winchester

44

Rasmus Rask

Danish linguist

*November 22nd, 1787, Brændekilde †November 14th, 1832, Copenhagen

71

Ippolito Cavalcanti

Italian cook (1787-1859)

*September 2nd, 1787, Afragola †March 5th, 1859, Naples

64

Nangklao

Third king of Siam of the Chakri Dynasty

*March 31st, 1787, Grand Palace †April 2nd, 1851, Bangkok

76

Vuk Karadžić

Serbian philologist and linguist

*November 7th, 1787, Tršić †January 26th, 1864, Vienna

77

Christian Ludwig Brehm

German pastor and ornithologist (1787-1864)

*January 24th, 1787, Schönau vor dem Walde †June 23rd, 1864, Renthendorf

69

Ninomiya Sontoku

Japanese philosopher

*September 4th, 1787, Ashigarakami district †November 17th, 1856, Imaichi

63

François Sulpice Beudant

Systematic mineralogist, University of Paris, Paris, France (1787-1850)

*September 5th, 1787, Paris †December 10th, 1850, Paris

47

Thomas Say

American naturalist (1787-1834)

*June 27th, 1787, Philadelphia †October 10th, 1834, New Harmony

72

Johann Gottlob von Quandt

German art collector and artist (1787-1859); collection was sold in 1868

*April 9th, 1787, Leipzig †June 19th, 1859, Dresden

67

Mary Russell Mitford

English author and dramatist (1787–1855)

*December 16th, 1787, City of Winchester †January 10th, 1855, Swallowfield

87

Guillaume Henri Dufour

Swiss army officer, bridge engineer and topographer (1787-1875)

*September 15th, 1787, Constance †July 14th, 1875, Eaux-Vives

78

Martial de Guernon-Ranville

French magistrate and politician (1787-1866)

*May 2nd, 1787, Caen †April 28th, 1866, Ranville

Birthdays of famous people

Public holidays on December 12th

Fixed holidays (Christian feast day) which are celebrated on December 12th.

Date as a Roman numeral / digit

Leap year

No: With 365 days 1787 is a normal year and no leap year.

Calendar
December 1787