April 17th, 1478

Born on April 17th, 1478

Age in days, weeks and months
Wow, over 199,000 days old!

Why not celebrate an alternative birthday? In 502 days, exactly on November 15th, 2025, people who were born on April 17th, 1478 will be 200,000 days old!

... in seconds, minutes and hours

What happened on April 17th?

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

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

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, 1969

Sirhan Sirhan was convicted of the assassination of United States 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, a fraudulent chess-playing "machine" by Wolfgang von Kempelen that was secretly controlled by a hidden human, began a tour of Europe.

April 17th, 1362

Lithuanian Crusade: After a month-long siege, forces of the Teutonic Order captured and destroyed Kaunas Castle (reconstruction pictured), which was defended by troops of the Grand Duchy of Lithuania.

April 17th, 1080

Canute IV became King of Denmark upon the death of his brother Harald III.

April 17th, 2021

The funeral of Prince Philip, Duke of Edinburgh, takes place at St George's Chapel, Windsor Castle.

April 17th, 2014

NASA's Kepler space telescope confirms the discovery of the first Earth-size planet in the habitable zone of another star.

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

Same Day
Who's birthday is on April 17th?

63

Pete Shelley

British singer-songwriter (1955–2018)

*April 17th, 1955, Leigh †December 6th, 2018, Tallinn

57

Timothy Gibbs

American actor

*April 17th, 1967, Calabasas

73

Horst Hrubesch

German association football player and manager

*April 17th, 1951, Hamm

65

Sean Bean

English actor

*April 17th, 1959, Handsworth

67

Nick Hornby

English novelist

*April 17th, 1957, Redhill

37

Medhi Benatia

Moroccan footballer

*April 17th, 1987, Courcouronnes

61

Roddy Piper

Canadian professional wrestler (1954-2015)

*April 17th, 1954, Saskatoon †July 31st, 2015, Hollywood

82

David Bradley

British actor

*April 17th, 1942, York

52

Jennifer Garner

American actress

*April 17th, 1972, Houston

87

Alain Poher

French politician (1909-1996)

*April 17th, 1909, Ablon-sur-Seine †December 9th, 1996, Paris

32

Jasper Stuyven

Belgian cyclist

*April 17th, 1992, Leuven

50

Victoria Beckham

English businesswoman, fashion designer and singer

*April 17th, 1974, Harlow

54

Jean de Selve

French diplomat

*April 17th, 1475, Limousin †December 10th, 1529, Paris

90

Rémy Julienne

French racing driver

*April 17th, 1930, Cepoy †January 21st, 2021, Amilly

43

Chris Thompson

British long-distance runner

*April 17th, 1981, Barrow-in-Furness

54

Pascale Arbillot

French actress

*April 17th, 1970, France

78

Thornton Wilder

American playwright and novelist (1897–1975)

*April 17th, 1897, Madison †December 7th, 1975, Hamden

83

Andrea Gritti

Doge of Venice (1455-1539)

*April 17th, 1455, Bardolino †December 28th, 1538, Venice

84

Sirimavo Bandaranaike

Prime Minister of Ceylon (later Sri Lanka) from 1960–65, 1970–77, 1994–2000

*April 17th, 1916, Baḷangoḍa †October 10th, 2000, Kadawatha

63

William Holden

American actor (1918–1981)

*April 17th, 1918, O'Fallon †November 12th, 1981, Santa Monica

Same year
Born in 1478

57

Thomas More

English statesman, lawyer and philosopher (1478–1535)

*February 7th, 1478, London †July 6th, 1535, Tower Hill

50

Baldassarre Castiglione

Italian Renaissance author (1478-1529)

*December 6th, 1478, Marcaria †February 8th, 1529, Toledo

63

Francisco Pizarro

Spanish conquistador who conquered the Inca Empire

*March 16th, 1478, Trujillo †June 26th, 1541, Lima

56

Clement VII

Pope of the Catholic Church from 1523 to 1534

*May 26th, 1478, Florence †September 25th, 1534, Rome

72

Gian Giorgio Trissino

Italian Renaissance humanist

*July 8th, 1478, Vicenza †December 8th, 1550, Rome

28

Philip I of Castile

Duke of Burgundy and King of Castile

*June 22nd, 1478, Bruges †September 25th, 1506, Burgos

32

Giorgione

Venetian Renaissance painter (1478-1510)

*January 1st, 1478, Castelfranco Veneto †January 1st, 1510, Venice

19

John, Prince of Asturias

Prince of Asturias

*June 30th, 1478, Seville †October 4th, 1497, Salamanca

65

Louis V

Elector Palatine

*July 2nd, 1478, Heidelberg †March 16th, 1544, Heidelberg

43

Edward Stafford, 3rd Duke of Buckingham

3rd Duke of Buckingham, born in Wales

*February 3rd, 1478, Brecon †May 17th, 1521, Tower Hill

49

Henry Percy, 5th Earl of Northumberland

English noble

*January 14th, 1478, Alnwick Castle †May 19th, 1527, Wressle Castle

55

Barbara Jagiellon

Duchess consort of Saxony and Margravine consort of Meissen (1478-1534)

*July 15th, 1478, Sandomierz †February 15th, 1534, Leipzig

78

Konrad Pellikan

Conradus Pellicanus of Rouffach (8 January 1478 - 6 Aprl 1556), Old Testament scholar and a correspondent of Desiderius Erasmus

*January 8th, 1478, Rouffach †April 6th, 1556, Zürich

82

Giulio d'Este

Illegitimate son of Ercole I d'Este, Duke of Ferrara (1478-1561)

*July 13th, 1478, Ferrara †March 13th, 1561, Ferrara

56

Anastasia von Brandenburg

(1478-1534)

*March 14th, 1478, Ansbach †July 4th, 1534, Ilmenau

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 1478 is a normal year and no leap year.

Calendar
April 1478