September 20th, 1721

Born on September 20th, 1721

Age in days, weeks and months
Wow, over 111,000 days old!

Why not celebrate an alternative birthday? In 690 days, exactly on May 13th, 2028, people who were born on September 20th, 1721 will be 112,000 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 1721

50

Tobias Smollett

18th-century poet and author from Scotland

*March 19th, 1721, Cardross †September 17th, 1771, Livorno

42

Madame de Pompadour

Chief mistress of Louis XV of France (1721-1764)

*December 29th, 1721, Paris †April 15th, 1764, Versailles

82

Edmund Pendleton

American politician (1721-1803)

*September 9th, 1721, Caroline County †October 23rd, 1803, Caroline County

66

Benjamin Wilson

British painter and scientist (1721-1788)

*June 21st, 1721, Leeds †June 6th, 1788, London

85

John Reid

British Army officer, composer, and flautist (1721–1807)

*February 13th, 1721, Perthshire †February 6th, 1807, London

86

Fredrik Henrik af Chapman

Swedish admiral and shipbuilder (1721-1808)

*September 9th, 1721, Gothenburg †August 19th, 1808, Karlskrona city community

61

Anna Dorothea Therbusch

Painter from Prussia (1721-1782)

*July 23rd, 1721, Berlin †November 9th, 1782, Berlin

46

Philipp Friedrich Gmelin

German professor of botany and chemistry (1721-1768)

*August 19th, 1721, Tübingen †May 9th, 1768, Tübingen

87

David Zeisberger

American missionary

*April 11th, 1721, Suchdol nad Odrou †November 17th, 1808, Ohio

59

Johann de Kalb

American general (1721-1780)

*June 19th, 1721, Hüttendorf †August 19th, 1780, Camden

70

Placidus Fixlmillner

Austrian monk-astronomer

*May 28th, 1721, Upper Austria †August 27th, 1791, Kremsmünster

81

Domenico Corvi

Italian painter (1721-1803)

*September 16th, 1721, Viterbo †July 22nd, 1803, Rome

71

Franz Anton Knittel

German theologian

*April 3rd, 1721, Salzdahlum †December 10th, 1792, Wolfenbüttel

72

Roger Sherman

Early American lawyer and politician, Founding Father of the United States (1721-1793)

*April 19th, 1721, Newton †July 23rd, 1793, New Haven

85

Eliphalet Dyer

American judge and politician

*September 14th, 1721, Windham †May 13th, 1807, Windham

52

Friedrich Wilhelm von Seydlitz

German general

*February 3rd, 1721, Kalkar †August 27th, 1773, Oława

46

John Frederick, Prince of Schwarzburg-Rudolstadt

Prince of Schwarzburg-Rudolstadt (1721-1767)

*January 8th, 1721, Rudolstadt †July 10th, 1767, Rudolstadt

76

Johann Samuel Diterich

German Archdeacon and parson (1721-1797)

*January 1st, 1721, Berlin †January 1st, 1797, Berlin

77

Christian Gotthelf von Gutschmid

German politician (1721-1798)

*December 12th, 1721, Kahren †December 30th, 1798, Dresden

48

Mark Akenside

English poet and physician

*November 9th, 1721, Newcastle upon Tyne †June 23rd, 1770, 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 1721 is a normal year and no leap year.

Calendar
September 1721