December 27th, 1421

Born on December 27th, 1421

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

Why not celebrate an alternative birthday? In 215 days, exactly on January 24th, 2027, people who were born on December 27th, 1421 will be 221,000 days old!

... in seconds, minutes and hours

What happened on December 27th?

December 27th, 2002

The human-cloning company Clonaid claimed to have performed the first reproductive cloning of a human, but provided no evidence for the claim.

December 27th, 1997

Loyalist Volunteer Force leader Billy Wright was assassinated in HM Prison Maze by members of the Irish National Liberation Army.

December 27th, 1985

The body of murdered American primatologist Dian Fossey was discovered inside her cabin in Volcanoes National Park, Rwanda.

December 27th, 1979

Soviet–Afghan War: Soviet troops stormed Tajbeg Palace outside Kabul and killed Afghan president Hafizullah Amin and his 100–150 elite guards.

December 27th, 1966

A group of three men made the first descent into the Cave of Swallows (pictured), the largest known cave shaft in the world, in Aquismón, Mexico.

December 27th, 1932

New York City's Radio City Music Hall (pictured) opened with the world's largest auditorium at the time.

December 27th, 1929

Joseph Stalin announced the "liquidation of the kulaks as a class", beginning a period of political repression against prosperous peasants.

December 27th, 1922

The Imperial Japanese Navy commissioned Hōshō (pictured), the world's first purpose-built aircraft carrier.

December 27th, 1918

A public speech by the Polish pianist Ignacy Jan Paderewski in Poznań sparked the Greater Poland uprising against Germany.

December 27th, 1904

The stage play Peter Pan; or, The Boy Who Wouldn't Grow Up, by Scottish author J. M. Barrie, premiered in London.

December 27th, 1845

John L. O'Sullivan, in his newspaper the New York Morning News, argued that the United States had the right to claim the entire Oregon Country "by the right of our manifest destiny", popularizing the term's use.

December 27th, 1831

HMS Beagle departed Plymouth, England, on a voyage to South America that established Charles Darwin (pictured) as a naturalist.

December 27th, 1657

Citizens of New Netherland presented the Flushing Remonstrance to Peter Stuyvesant, the director general of the colonial province, requesting an exemption to his ban on Quaker worship.

December 27th, 1521

A period of unrest in Wittenberg following the arrival of three men of the Radical Reformation, known as the Zwickau prophets, was quelled after Martin Luther's release from custody.

December 27th, 0537

The reconstructed Hagia Sophia in Constantinople was inaugurated; built as a church, it later became a mosque and a museum.

Public holidays on December 27th

Fixed holidays (Christian feast day) which are celebrated on December 27th.

Date as a Roman numeral / digit

Leap year

No: With 365 days 1421 is a normal year and no leap year.

Calendar
December 1421