September 20th, 1711

Born on September 20th, 1711

Age in days, weeks and months
Wow, over 114,000 days old!

Why not celebrate an alternative birthday? In 824 days, exactly on July 30th, 2026, people who were born on September 20th, 1711 will be 115,000 days old!

... in seconds, minutes and hours

What happened on September 20th?

September 20th, 2011

The United States military ended its "don't ask, don't tell" policy, consequently allowing gay and lesbian people to serve openly.

September 20th, 2008

An explosive-laden truck detonated in front of the Marriott hotel in Islamabad, Pakistan, killing 54 people and injuring 266 others.

September 20th, 1997

Hurricane Erika, the strongest and longest-lasting hurricane of the 1997 Atlantic hurricane season, dissipated after causing flooding and power outages throughout Puerto Rico.

September 20th, 1988

British prime minister Margaret Thatcher gave a landmark speech at the Belfry of Bruges, Belgium, against federalism in the European Economic Community.

September 20th, 1984

The Cosby Show, which became one of three U.S. television shows to have the highest ratings five years in a row, premiered with its pilot episode.

September 20th, 1977

A series of celestial phenomena of disputed nature was observed in the western Soviet Union, Finland and Denmark.

September 20th, 1973

Billie Jean King defeated Bobby Riggs in straight sets at the Astrodome in Houston, Texas, in an internationally televised tennis match dubbed the "Battle of the Sexes".

September 20th, 1971

Hurricane Irene (satellite image pictured) moved into the Pacific Ocean from the Atlantic, making it the first actively tracked tropical cyclone to do so.

September 20th, 1967

L. Ron Hubbard, the founder of Scientology, announced the story of Xenu in a taped lecture sent to all Scientologists.

September 20th, 1944

Second World War: Allied forces captured San Marino from the German Army.

September 20th, 1943

World War II: Australian troops led by Gordon Grimsley King defeated Imperial Japanese forces at the Battle of Kaiapit in New Guinea.

September 20th, 1920

Irish War of Independence: British auxiliary police officers known as Black and Tans went on a rampage in Balbriggan, burning more than fifty homes and businesses and killing two people.

September 20th, 1792

The French Army achieved its first major victory of the War of the First Coalition at the Battle of Valmy.

September 20th, 1697

The first of a series of treaties comprising the Peace of Ryswick was signed between France and the Grand Alliance, ending the Nine Years' War.

September 20th, 1643

First English Civil War: The First Battle of Newbury was fought in Berkshire; Parliamentarian forces were allowed to pass Royalist troops to retreat the next morning.

Birthdays
... of famous people, actors, celebrities and stars on September 20th

Born on September 20th, 1711

73

Frederick August I, Duke of Oldenburg

German prince-bishop and duke of Oldenburg (1711-1785)

*September 20th, 1711, Gottorf Castle †July 6th, 1785, Oldenburg

Same Day
Who's birthday is on September 20th?

30

Alexis Sánchez

Futbolista Chileno

*September 20th, 1993, Gladbeck

87

Hedwig Dohm

German feminist, writer, and opinion journalist

*September 20th, 1831, Berlin †June 1st, 1919, Berlin

37

Aldis Hodge

American actor

*September 20th, 1986, Onslow County

58

Poul-Erik Høyer Larsen

Danish badminton player and administrator

*September 20th, 1965, Esbønderup

79

Alberto Carneiro

Portuguese artist

*September 20th, 1937, São Mamede de Coronado †April 15th, 2017, Porto

16

Unnati Hooda

Badminton player

*September 20th, 2007, Rohtak

89

Sophia Loren

Italian actress

*September 20th, 1934, Rome

75

George R. R. Martin

American writer and television producer

*September 20th, 1948, Bayonne

57

Nuno Bettencourt

Portuguese guitarist

*September 20th, 1966, Praia da Vitória

26

Monique

Lithuanian singer

*September 20th, 1997, Širvintos

39

Brian Joubert

French figure skater

*September 20th, 1984, Poitiers

74

Sabine Azéma

French actress and director

*September 20th, 1949, Paris

83

Tarō Asō

Japanese politician (born 1940)

*September 20th, 1940, Iizuka

85

Anne Meara

American comedian and actress (1929–2015)

*September 20th, 1929, Brooklyn †May 23rd, 2015, Manhattan

75

Wolfgang Gruner

German cabaret artist, actor and director (1926-2002)

*September 20th, 1926, Rathenow †March 16th, 2002, Berlin

48

Jean-Jacques Dessalines

Leader of Haitian Revolution and first ruler of independent Haiti (1758-1806)

*September 20th, 1758, Plaine-du-Nord †October 17th, 1806, Port-au-Prince

79

Hans Scharoun

German architect (1893-1972)

*September 20th, 1893, Bremen †November 25th, 1972, West Berlin

83

Jim Taylor

American footballer (1935-2018)

*September 20th, 1935, Baton Rouge †October 13th, 2018, Baton Rouge

46

Paul I of Russia

Emperor of Russia (r. 1796–1801)

*September 20th, 1754, Saint Petersburg †March 11th, 1801, Saint Petersburg

57

Chulalongkorn

King of Siam (1853-1910)

*September 20th, 1853, Grand Palace †October 23rd, 1910, Amphorn Sathan Residential Hall

Same year
Born in 1711

65

David Hume

Scottish philosopher, economist, and historian

*April 26th, 1711, Edinburgh †August 25th, 1776, Edinburgh

49

Edward Boscawen

Royal Navy admiral (1711-1761)

*August 19th, 1711, Tregothnan †January 10th, 1761, Surrey

87

Qianlong Emperor

Emperor of the Qing Dynasty (1711–1799)

*September 25th, 1711, Beijing †February 7th, 1799, Beijing

53

Mikhail Lomonosov

Russian polymath (1711-1765)

*November 8th, 1711, Lomonosovo †April 4th, 1765, Saint Petersburg

68

Thomas Hutchinson

Last civilian Governor of the Province of Massachusetts Bay, historian (1711-1780)

*September 9th, 1711, Boston †June 3rd, 1780, London

66

Laura Bassi

Italian physicist (1711-1778)

*October 31st, 1711, Bologna †February 20th, 1778, Bologna

82

Abraham Roentgen

German cabinetmaker

*January 30th, 1711, Mülheim †March 1st, 1793, Herrnhut

51

Luis Vicente de Velasco e Isla

Spanish sailor (1711-1762)

*February 9th, 1711, Noja †July 31st, 1762, Havana

74

Marie Françoise Catherine de Beauvau-Craon

French noblewoman

*December 8th, 1711, Lunéville †July 1st, 1786, Scey-sur-Saône-et-Saint-Albin

72

Johann Dietrich Winckler

German author and theologian (1711-1784)

*December 27th, 1711, Hamburg †April 5th, 1784, Hamburg

81

Carl Gustaf Pilo

Danish-Swedish artist (1711-1793)

*March 5th, 1711, Runtuna †March 2nd, 1793, Stockholm

75

Ruđer Josip Bošković

Croat physicist

*May 18th, 1711, Dubrovnik †February 13th, 1787, Milan

64

Marie-Angélique Memmie Le Blanc

Feral child

*November 30th, 1711, New France †December 15th, 1775, Paris

66

Lorenz Christoph Mizler

German music historian and polymath (1711-1778)

*July 26th, 1711, Heidenheim †May 8th, 1778, Warsaw

83

Wenzel Anton, Prince of Kaunitz-Rietberg

Bohemian nobleman (1711-1794)

*February 2nd, 1711, Vienna †June 27th, 1794, Vienna

77

Gaetano Latilla

Italian opera composer

*January 12th, 1711, Bari †January 15th, 1788, Naples

84

Franz Töpsl

German historian

*November 18th, 1711, Munich †March 12th, 1796, Munich

77

Henry of Bibra

German priest

*January 1st, 1711, Schnabelwaid †January 1st, 1788, Fulda

77

Giuseppe Bonno

Austrian composer

*January 29th, 1711, Vienna †April 15th, 1788, Vienna

74

Kitty Clive

British actress (1711-1785)

*November 5th, 1711, London †December 6th, 1785, London

Birthdays of famous people

Public holidays on September 20th

Fixed holidays (Christian feast day) which are celebrated on September 20th.

Date as a Roman numeral / digit

Leap year

No: With 365 days 1711 is a normal year and no leap year.

Calendar
September 1711