April 17th, 1921

Born on April 17th, 1921

Age in days, weeks and months
Wow, over 38,000 days old!

Why not celebrate an alternative birthday? In 591 days, exactly on January 26th, 2028, people who were born on April 17th, 1921 will be 39,000 days old!

... in seconds, minutes and hours

What happened on April 17th?

April 17th, 2013

An ammonium nitrate explosion occurred at a fertilizer company facility in West, Texas, U.S., killing 15 people and injuring 160 others.

April 17th, 2006

A Palestinian suicide bomber detonated explosives in a restaurant in Tel Aviv, Israel, killing 11 people and injuring 70 others.

April 17th, 1942

World War II: Captured French general Henri Giraud escaped from German captivity in the Königstein Castle.

April 17th, 2014

NASA announced the discovery of Kepler-186f, the first exoplanet with a radius similar to Earth's discovered in the habitable zone of another star.

April 17th, 1986

The Netherlands and the Isles of Scilly declared peace, having hypothetically been at war for 335 years without a single shot being fired and no casualties incurred.

April 17th, 1984

Metropolitan Police officer Yvonne Fletcher was shot and killed while on duty during a protest outside the Libyan embassy in London, resulting in an 11-day police siege of the building and a breakdown of Libya–United Kingdom relations.

April 17th, 1975

The Khmer Rouge captured Phnom Penh, the capital of the Khmer Republic, ending the Cambodian Civil War and establishing the socialist state of Democratic Kampuchea.

April 17th, 1973

George Lucas began writing a 13-page film treatment that later formed the basis of Star Wars.

April 17th, 1971

Ustaše-affiliated Croatian separatists attacked the Yugoslav embassy in Stockholm, fatally shooting the ambassador, Vladimir Rolović.

April 17th, 1969

Sirhan Sirhan was convicted of the assassination of U.S. senator Robert F. Kennedy.

April 17th, 1951

The Peak District was designated the first national park in the United Kingdom.

April 17th, 1907

Minas Geraes (pictured), the first of three Brazilian dreadnought battleships, was laid down, sparking a vastly expensive South American naval arms race with Argentina and Chile.

April 17th, 1809

Napoleonic Wars: After a three-day chase, the French ship D'Hautpoul was captured off Puerto Rico by a British squadron under Alexander Cochrane.

April 17th, 1797

French Revolutionary Wars: British forces commanded by Lieutenant-General Ralph Abercromby invaded the Spanish colonial port of San Juan, Puerto Rico.

April 17th, 1783

The Mechanical Turk (pictured), a fraudulent chess-playing "machine" by Wolfgang von Kempelen that was secretly controlled by a hidden human, began a tour of Europe.

Birthdays
... of famous people, actors, celebrities and stars on April 17th

Same year
Born in 1921

97

Pierre Riché

French historian (1921-2019)

*October 4th, 1921, 14th arrondissement of Paris †May 6th, 2019, Ivry-sur-Seine

85

Arve Opsahl

Norwegian actor

*May 14th, 1921, Christiania †April 29th, 2007, Oslo

95

Kenneth Arrow

American economist (1921-2017)

*August 23rd, 1921, New York City †February 21st, 2017, Palo Alto

95

Clifton James

American actor (1920-2017)

*May 29th, 1921, Spokane †April 15th, 2017, Gladstone

94

Nancy Reagan

First Lady of the United States from 1981 to 1989

*July 6th, 1921, Manhattan †March 6th, 2016, Bel Air

99

Prince Philip, Duke of Edinburgh

Consort of Elizabeth II from 1952 to 2021

*June 10th, 1921, Corfu †April 9th, 2021, Windsor Castle

82

Heinz Quermann

German television presenter (1921–2003)

*February 10th, 1921, Hanover †October 14th, 2003, Berlin

97

Carol Channing

American actress (1921–2019)

*January 31st, 1921, Seattle †January 15th, 2019, Rancho Mirage

68

Andrei Sakharov

Soviet nuclear physicist and human rights activist

*May 21st, 1921, Moscow †December 14th, 1989, Moscow

95

Thomas Schelling

American economist (1921-2016)

*April 14th, 1921, Oakland †December 13th, 2016, Bethesda

43

Judy Holliday

American actress, comedian and singer (1921-1965)

*June 21st, 1921, New York City †June 7th, 1965, New York City

38

Diana Barrymore

American actress (1921–1960)

*March 3rd, 1921, New York City †January 25th, 1960, New York City

86

Suharto

2nd President of Indonesia

*June 8th, 1921, Kemusuk †January 27th, 2008, Jakarta

68

Bendt Rothe

Actor

*May 9th, 1921, Denmark †December 31st, 1989, Denmark

91

Hal David

American poet and lyricist (1921–2012)

*May 25th, 1921, New York City †September 1st, 2012, Los Angeles

84

Stanisław Lem

Polish science fiction author, philosopher and futurologist (1921-2006), studied medical doctor

*September 12th, 1921, Lviv †March 27th, 2006, Kraków

85

Murray Bookchin

American libertarian socialist author, orator, and philosopher (1921–2006)

*January 14th, 1921, The Bronx †July 30th, 2006, Burlington

89

Billy Taylor

American jazz pianist, composer, broadcaster, and educator (1921-2010)

*July 24th, 1921, Greenville †December 28th, 2010, Manhattan

55

James Jones

American author

*November 6th, 1921, Robinson †May 9th, 1977, Southampton

72

Alexis Smith

Canadian-born American actress and singer (1921-1993)

*June 8th, 1921, Penticton †June 9th, 1993, Los Angeles

Birthdays of famous people

Public holidays on April 17th

Fixed holidays (Christian feast day) which are celebrated on April 17th.

Date as a Roman numeral / digit

Leap year

No: With 365 days 1921 is a normal year and no leap year.

Calendar
April 1921