September 20th, 1713

Born on September 20th, 1713

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

Why not celebrate an alternative birthday? In 787 days, exactly on July 30th, 2028, people who were born on September 20th, 1713 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 (pictured) 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

Same year
Born in 1713

70

Denis Diderot

French Enlightenment philosopher writer and encyclopædist (1713–1784)

*October 5th, 1713, Langres †July 31st, 1784, Paris

45

Ferdinand VI of Spain

King of Spain, lived (1713-1759)

*September 23rd, 1713, Madrid †August 10th, 1759, Villaviciosa de Odón

78

John Stuart, 3rd Earl of Bute

British nobleman, art collector, and Prime Minister of Great Britain (1713-1792)

*May 25th, 1713, Parliament Square †March 10th, 1792, Grosvenor Square

52

Alexis Clairaut

French mathematician, astronomer, and geophysicist (*1713 – †1765)

*May 13th, 1713, Paris †May 17th, 1765, Paris

68

Richard Wilson

Welsh landscape painter (1714-1782)

*August 1st, 1713, Penegoes †May 11th, 1782, Colomendy

78

Louis-François Daire

French historian

*July 6th, 1713, Amiens †March 18th, 1792, Chartres

69

Anna Rosina de Gasc

German painter (1713-1783)

*July 10th, 1713, Berlin †March 26th, 1783, Dresden

47

Diane Adélaïde de Mailly

Mistress of Louis XV

*February 11th, 1713, Paris †February 20th, 1760, Paris

90

Francis Lewis

Signatory of the US Declaration of Independence, from Wales

*March 21st, 1713, Llandaff †December 30th, 1803, New York City

54

John Newbery

English publisher and bookseller (1713-1767)

*July 9th, 1713, Berkshire †December 22nd, 1767, London

60

Jorge Juan y Santacilia

Spanish mathematician and naval officer

*January 5th, 1713, Novelda †June 21st, 1773, Madrid

80

Louis de Noailles

Marshal of France (1713-1793)

*April 21st, 1713, Versailles †August 22nd, 1793, Saint-Germain-en-Laye

50

Joseph Maria von Thun und Hohenstein

Austrian priest and translator

*May 24th, 1713, Trento †June 15th, 1763, Mattighofen

79

Marie Jeanne Riccoboni

French novelist

*October 25th, 1713, Paris †December 7th, 1792, Paris

38

Domènec Terradellas

Spanish opera composer (1713–1751)

*February 13th, 1713, Barcelona †May 20th, 1751, Rome

66

Charles I, Duke of Brunswick-Wolfenbüttel

Duke of Brunswick-Wolfenbüttel (1713-1780)

*August 1st, 1713, Brunswick †March 26th, 1780, Brunswick

55

Antonio Genovesi

Italian economist (1713-1769)

*November 1st, 1713, Castiglione del Genovesi †September 22nd, 1769, Naples

67

Jacques-Germain Soufflot

French architect

*July 22nd, 1713, Irancy †August 29th, 1780, Paris

81

Christlieb Ehregott Gellert

German metallurgist

*August 11th, 1713, Hainichen †May 18th, 1795, Freiberg

78

Luís António Verney

Portuguese philosopher

*July 23rd, 1713, Lisbon †March 20th, 1792, Rome

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 1713 is a normal year and no leap year.

Calendar
September 1713