May 20th, 1421

Born on May 20th, 1421

Age in days, weeks and months
Wow, over 220,000 days old!

Why not celebrate an alternative birthday? In 775 days, exactly on June 17th, 2026, people who were born on May 20th, 1421 will be 221,000 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

36

Shendy Puspa Irawati

Indonesian badminton player

*May 20th, 1987, Nganjuk

26

Dechapol Puavaranukroh

Thai badminton player

*May 20th, 1997, Chonburi

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

28

Iben Bergstein

Badminton player

*May 20th, 1995, Rødovre

27

Yukino Nakai

Badminton player

*May 20th, 1996, Nerima

44

Jonathan Neil Morgan

Badminton player

*May 20th, 1979, Llanelli

51

Honoré de Balzac

French novelist and playwright (1799–1850)

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

37

Kenn Lim

Badminton player

*May 20th, 1986, Alor Setar

21

Ferdian Mahardika Ranialdy

Badminton player

*May 20th, 2002, Yogyakarta City

27

Robert Skov

Danish association football player

*May 20th, 1996, Marbella

55

Timothy Olyphant

American actor

*May 20th, 1968, Honolulu

66

John Stuart Mill

British philosopher and political economist (1806–1873)

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

67

Sigrid Undset

Norwegian writer (1882-1949)

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

78

Dietrich Mateschitz

Austrian businessman

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

38

Chris Froome

British cyclist (born 1985)

*May 20th, 1985, Nairobi

89

James Stewart

American actor (1908–1997)

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

Same year
Born in 1421

49

Henry VI of England

King of England (1421–1471)

*December 6th, 1421, Windsor Castle †May 21st, 1471, Tower of London

39

Henry Percy, 3rd Earl of Northumberland

English noble

*July 25th, 1421, Leconfield †March 29th, 1461, Battle of Towton

40

Charles, Prince of Viana

King of Navarre

*May 29th, 1421, Peñafiel †September 23rd, 1461, Barcelona

59

Barbara of Brandenburg

Marchioness of Mantua

*November 30th, 1421, Margraviate of Brandenburg †November 7th, 1481, Mantua

42

Giovanni di Cosimo de' Medici

Italian banker

*June 3rd, 1421, Florence †November 1st, 1463, Florence

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 1421 is a normal year and no leap year.

Calendar
May 1421