May 20th, 1787

Born on May 20th, 1787

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

Why not celebrate an alternative birthday? In 462 days, exactly on July 31st, 2025, people who were born on May 20th, 1787 will be 87,000 days old!

... in seconds, minutes and hours

What happened on May 20th?

May 20th, 2013

A tornado struck Moore, Oklahoma, United States, killing 24 people and causing an estimated $2 billion of damage.

May 20th, 2012

The first of two major earthquakes struck Northern Italy, resulting in seven deaths.

May 20th, 1983

uMkhonto we Sizwe, the paramilitary wing of the African National Congress, detonated a car bomb in Pretoria, resulting in 19 deaths and 217.

May 20th, 1965

While attempting to land at Cairo International Airport, Pakistan International Airlines Flight 705 crashed for unknown reasons, killing all but 6 of the 121 people on board.

May 20th, 1947

The first session of the National Diet opened in Tokyo, Japan.

May 20th, 1943

The Luttra Woman (skull pictured), a bog body from the Early Neolithic period, was discovered near Luttra, Sweden.

May 20th, 1941

World War II: German paratroopers began the Battle of Heraklion on the island of Crete, capturing the airfield and port in Heraklion ten days later.

May 20th, 1927

By the Treaty of Jeddah, the United Kingdom recognized the sovereignty of King Abdulaziz of Saudi Arabia (pictured) over Hejaz and Nejd, which later merged to become Saudi Arabia.

May 20th, 1875

Representatives from seventeen countries signed the Metre Convention, which set up an institute for the purpose of coordinating international metrology and for coordinating the development of the metric system.

May 20th, 1609

Thomas Thorpe published the first copies of Shakespeare's sonnets, possibly without William Shakespeare's consent.

May 20th, 0794

According to the Anglo-Saxon Chronicle, King Æthelberht II of East Anglia was beheaded on the orders of King Offa of Mercia.

May 20th, 0685

The Picts defeated the Northumbrians at the Battle of Dun Nechtain, severely weakening the latter's power in northern Great Britain.

May 20th, 2022

Russo-Ukrainian War: Russia claims full control of the Ukrainian city of Mariupol after a nearly three-month siege.

May 20th, 2019

The International System of Units (SI): The base units are redefined, making the international prototype of the kilogram obsolete.

May 20th, 2016

The government of Singapore authorised the controversial execution of convicted murderer Kho Jabing for the murder of a Chinese construction worker despite the international pleas for clemency, notably from Amnesty International and the United Nations.

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

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

65

Jane Wiedlin

American musician

*May 20th, 1958, Oconomowoc

51

Honoré de Balzac

French novelist and playwright (1799–1850)

*May 20th, 1799, Tours †August 18th, 1850, Paris

36

Shendy Puspa Irawati

Indonesian badminton player

*May 20th, 1987, Nganjuk

26

Dechapol Puavaranukroh

Thai badminton player

*May 20th, 1997, Chonburi

66

John Stuart Mill

British philosopher and political economist (1806–1873)

*May 20th, 1806, London Borough of Islington †May 8th, 1873, Avignon

75

Jon Amiel

English film director

*May 20th, 1948, London

40

Anastasia Russkikh

Russian badminton player

*May 20th, 1983, Gatchina

23

Rosa Linn

Armenisk singer-songwriter

*May 20th, 2000, Vanadzor

34

Goh V Shem

Malaysian badminton player

*May 20th, 1989, Setapak

44

Jonathan Neil Morgan

Badminton player

*May 20th, 1979, Llanelli

28

Iben Bergstein

Badminton player

*May 20th, 1995, Rødovre

27

Yukino Nakai

Badminton player

*May 20th, 1996, Nerima

37

Kenn Lim

Badminton player

*May 20th, 1986, Alor Setar

21

Ferdian Mahardika Ranialdy

Badminton player

*May 20th, 2002, Yogyakarta City

67

Sigrid Undset

Norwegian writer (1882-1949)

*May 20th, 1882, Kalundborg †June 10th, 1949, Lillehammer Municipality

27

Robert Skov

Danish association football player

*May 20th, 1996, Marbella

89

James Stewart

American actor (1908–1997)

*May 20th, 1908, Indiana †July 2nd, 1997, Beverly Hills

55

Timothy Olyphant

American actor

*May 20th, 1968, Honolulu

78

Dietrich Mateschitz

Austrian businessman

*May 20th, 1944, Sankt Marein im Mürztal †October 22nd, 2022, St. Wolfgang im Salzkammergut

77

Hector Malot

French writer (1830–1907)

*May 20th, 1830, La Bouille †July 18th, 1907, Fontenay-sous-Bois

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 May 20th

Fixed holidays (Christian feast day, National Awakening Day) which are celebrated on May 20th.

Date as a Roman numeral / digit

Leap year

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

Calendar
May 1787