April 21st, 1821

Born on April 21st, 1821

Age in days, weeks and months
Wow, over 74,000 days old!

Why not celebrate an alternative birthday? In 851 days, exactly on August 24th, 2026, people who were born on April 21st, 1821 will be 75,000 days old!

... in seconds, minutes and hours

What happened on April 21st?

April 21st, 2021

The Indonesian Navy submarine Nanggala sank with the loss of all 53 people on board.

April 21st, 2014

The city of Flint, Michigan, U.S., changed its water source to the Flint River, which exposed residents to lead poisoning.

April 21st, 2010

Ukraine and Russia signed the Kharkiv Pact, extending the Russian lease on naval facilities in Crimea.

April 21st, 1975

South Vietnamese president Nguyễn Văn Thiệu resigned on hearing of the fall of Xuân Lộc, the last battle of the Vietnam War.

April 21st, 1970

In response to a dispute over wheat production quotas, Leonard Casley declared his 75 km2 (29 sq mi) farm in Western Australia to be an independent country as the Hutt River Province.

April 21st, 1962

The Century 21 Exposition, the first world's fair in the United States since World War II, opened in Seattle.

April 21st, 1958

United Airlines Flight 736 collided with a U.S. Air Force fighter jet over southern Nevada, resulting in the deaths of all 49 people on board both aircraft.

April 21st, 1934

The "Surgeon's Photograph", purportedly showing the Loch Ness Monster (later revealed to be a hoax), was published in the Daily Mail.

April 21st, 1836

Forces of the Republic of Texas led by Sam Houston defeated the Mexican troops of General Antonio López de Santa Anna in the Battle of San Jacinto, the decisive and final battle of the Texas Revolution.

April 21st, 1789

The Ladies of Trenton social club hosted a reception (depicted) for President-elect George Washington as he journeyed to New York City for his first inauguration.

April 21st, 1615

The Wignacourt Aqueduct (pictured) in Malta was inaugurated and was used to carry water to Valletta for about 300 years.

April 21st, 1509

Henry VIII became King of England, following the death of his father Henry VII, eventually becoming a significant figure in the history of the English monarchy.

April 21st, 0900

A debt was pardoned by the chief of Tondo on the island of Luzon and recorded on the Laguna Copperplate Inscription, the earliest known calendar-dated document found in the Philippines.

January 1st, 1970

Forces led by Mark Antony fought the Battle of Mutina against those of Decimus Brutus, one of Julius Caesar's assassins.

January 1st, 1970

Romulus and Remus (depicted) legendarily founded the city of Rome, according to the calculations of ancient Roman scholar Varro Reatinus.

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

Born on April 21st, 1821

72

Michael Rostock

Sorbian teacher and naturalist (1821–1893)

*April 21st, 1821, Ebendörfel/Bělšecy †September 17th, 1893, Gaußig/Huska

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

96

Elizabeth II

Queen of the United Kingdom from 1952 to 2022

*April 21st, 1926, Mayfair †September 8th, 2022, Balmoral Castle

38

Charlotte Brontë

British novelist and poet (1816-1855)

*April 21st, 1816, Thornton †March 31st, 1855, Haworth

89

Kjeld Hillingsø

Danish general

*April 21st, 1935, Frederiksberg

26

Zé Felipe

Brazilian sertanejo singer

*April 21st, 1998, Goiânia

67

Josh Billings

American humorist

*April 21st, 1818, Lanesborough †October 14th, 1885, Monterey

26

Rodion Alimov

Russian badminton player

*April 21st, 1998, Ufa

84

Kai-Uwe von Hassel

German politician (1913–1997)

*April 21st, 1913 †May 8th, 1997, Aachen

91

Olbram Zoubek

Czech sculptor

*April 21st, 1926, Prague †June 15th, 2017, Prague

63

Dirk Heidenblut

German politician

*April 21st, 1961, Essen

67

Catherine II of Russia

Empress of Russia from 1762 to 1796

*April 21st, 1729, Szczecin †November 17th, 1796, Saint Petersburg

59

Zhao Jianhua

Chinese badminton player

*April 21st, 1965, Nantong

37

Yuhan Tan

Belgian badminton player

*April 21st, 1987, Bilzen

28

Rachel Honderich

Canadian badminton player

*April 21st, 1996, Toronto

27

Lin Guipu

Chinese badminton player

*April 21st, 1997, Cangnan County

47

Mette Schjoldager

Danish badminton player

*April 21st, 1977, Viby

31

Taichi Saito

Japanese badminton player

*April 21st, 1993, Chiba Prefecture

76

John Muir

Scottish-American naturalist (1838–1914)

*April 21st, 1838, Dunbar †December 24th, 1914, Los Angeles

43

Nicholas Kidd

Badminton player

*April 21st, 1981, Rabaul

41

Mesinee Mangkalakiri

Badminton player

*April 21st, 1983, Los Alamitos

56

Max Weber

German sociologist, philosopher, and political economist (1864–1920)

*April 21st, 1864, Erfurt †June 14th, 1920, Munich

Same year
Born in 1821

59

Fyodor Dostoyevsky

Russian novelist (1821–1881)

*November 11th, 1821, Mariinsky Hospital for the Poor †January 28th, 1881, Saint Petersburg

73

Hermann von Helmholtz

German physicist and physiologist (1821-1894)

*August 31st, 1821, Potsdam †September 8th, 1894, Charlottenburg

74

Philipp Ludwig von Seidel

German mathematician

*October 24th, 1821, Zweibrücken †August 13th, 1896, Munich

46

Charles Baudelaire

French poet and critic (1821–1867)

*April 9th, 1821, Paris †August 31st, 1867, Paris

79

Theodor Löbbecke

German pharmacist and malacologist

*March 4th, 1821, Hückeswagen †January 18th, 1901, Düsseldorf

75

William Jervois

British Army general

*September 10th, 1821, Cowes †August 17th, 1897, Hampshire

72

John Abbott

3rd Prime Minister of Canada (1821-1893)

*March 12th, 1821, Saint-André-Est †October 30th, 1893, Montreal

58

Gustave Flaubert

French novelist (1821–1880)

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

54

John C. Breckinridge

Vice president of the United States from 1857 to 1861

*January 16th, 1821, Lexington †May 17th, 1875, Lexington

56

Nikolay Nekrasov

Russian poet, writer, critic, editor and publisher

*November 28th, 1821, Nemyriv †January 8th, 1878, Saint Petersburg

89

Mary Baker Eddy

American founder of Christian Science (1821–1910)

*July 16th, 1821, Bow †December 3rd, 1910, Chestnut Hill

80

Rudolf Virchow

German doctor, anthropologist, public health activist, pathologist, prehistorian, biologist and politician (1821-1902)

*October 13th, 1821, Świdwin †September 5th, 1902, Berlin

69

Richard Francis Burton

British explorer, geographer, translator, writer, soldier, orientalist, cartographer, ethnologist, spy, linguist, poet, fencer, and diplomat (1821–1890)

*March 19th, 1821, Torquay †October 20th, 1890, Trieste

94

Charles Tupper

6th Prime Minister of Canada (1821-1915)

*July 2nd, 1821, Amherst †October 30th, 1915, Bexleyheath

89

Elizabeth Blackwell

American physician, abolitionist, women's rights activist (1821-1910)

*February 3rd, 1821, Bristol †May 31st, 1910, Hastings

81

Alexander Andrae

German politician

*December 17th, 1821, Hanover †March 13th, 1903, Szczecin

87

Henriëtte Ronner-Knip

Dutch-Belgian painter (1821-1909)

*May 31st, 1821, Amsterdam †February 28th, 1909, Ixelles - Elsene

32

Alexis de Garaudé

French composer (1821-1854)

*October 27th, 1821, Choisy-le-Roi †August 6th, 1854, Paris

80

Charles d'Abbadie d'Arrast

French politician.

*December 15th, 1821, Toulouse †December 23rd, 1901, Saint-Étienne-de-Baïgorry

84

Bartolomé Mitre

President of Argentina (1821-1906)

*June 26th, 1821, Buenos Aires †January 19th, 1906, Buenos Aires

Birthdays of famous people

Public holidays on April 21st

Fixed holidays (Christian feast day) which are celebrated on April 21st.

Date as a Roman numeral / digit

Leap year

No: With 365 days 1821 is a normal year and no leap year.

Calendar
April 1821