December 25th, 1284

Born on December 25th, 1284

Age in days, weeks and months
Wow, over 270,000 days old!

Why not celebrate an alternative birthday? In 143 days, exactly on December 16th, 2026, people who were born on December 25th, 1284 will be 271,000 days old!

... in seconds, minutes and hours

What happened on December 25th?

December 25th, 2024

After the loss of aircraft systems, Azerbaijan Airlines Flight 8243 crashed near Aktau International Airport while attempting to perform an emergency landing after being hit by a Russian defense missile.

December 25th, 2016

A Tupolev Tu-154 of the Russian Defence Ministry crashed into the Black Sea shortly after taking off from Sochi International Airport, killing all 92 people on board.

December 25th, 2009

A fire destroyed Longford's 19th-century St Mel's Cathedral, considered the "flagship cathedral" of the Irish midlands.

December 25th, 2007

A tiger at the San Francisco Zoo escaped from its enclosure and attacked three patrons before it was shot and killed.

December 25th, 2000

Russian president Vladimir Putin signed into law a bill officially adopting a new national anthem, with music by Alexander Vasilyevich Alexandrov originally composed for the anthem of the Soviet Union.

December 25th, 1991

In a nationally televised speech, Mikhail Gorbachev resigned as President of the Soviet Union.

December 25th, 1990

British computer programmer Tim Berners-Lee introduced WorldWideWeb, the world's first web browser and WYSIWYG HTML editor.

December 25th, 1989

Romanian Revolution: Communist dictator Nicolae Ceaușescu and his wife Elena were condemned to death on a wide range of charges and executed.

December 25th, 1968

In Tamil Nadu, India, families of striking Dalit workers were massacred by a gang, allegedly led by their landlords.

December 25th, 1941

Second World War: The Japanese occupation of Hong Kong began when Mark Aitchison Young, the Governor of Hong Kong, surrendered the territory to Japan after 18 days of fierce fighting.

December 25th, 1927

The Việt Nam Quốc Dân Đảng, a revolutionary socialist political party that sought Vietnamese independence from French colonial rule, was formed in Hanoi.

December 25th, 1809

American physician Ephraim McDowell performed the world's first removal of an ovarian tumor.

December 25th, 1758

Based on predictions by Edmond Halley in 1705, Johann Georg Palitzsch observed a comet that was later named Halley's Comet .

December 25th, 1100

Baldwin I was crowned the first king of Jerusalem (depicted) in the Church of the Nativity in Bethlehem.

December 25th, 1066

Norman Conquest: William the Conqueror was crowned King of England at Westminster Abbey, but continued to face rebellions over the following years and was not secure on the throne until after 1072.

Public holidays on December 25th

Fixed holidays (Christian feast day) which are celebrated on December 25th.

Date as a Roman numeral / digit

Leap year

Yes: 1284 is a leap year, therefore has a 29th of February with an additional leap day and a total of 366 days (instead of the usual 365 days in a normal year).

Calendar
December 1284