December 4th, 1421

Born on December 4th, 1421

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

Why not celebrate an alternative birthday? In 192 days, exactly on January 1st, 2027, people who were born on December 4th, 1421 will be 221,000 days old!

... in seconds, minutes and hours

What happened on December 4th?

December 4th, 1915

World War I: Senior British and French figures, including prime ministers H. H. Asquith and Aristide Briand, met at Calais to discuss the future of the Salonika Front.

December 4th, 2012

"Il Canto degli Italiani" officially became the national anthem of Italy, 66 years after it was provisionally chosen following the birth of the Italian Republic.

December 4th, 1992

U.S. president George H. W. Bush ordered American troops into Somalia to help provide humanitarian aid and restore order during the ongoing Somali Civil War.

December 4th, 1986

The MV Amazon Venture oil tanker starts leaking while at the port of Savannah, resulting in an oil spill of approximately 500,000 US gallons (1,900,000 L).

December 4th, 1980

The English rock group Led Zeppelin officially disbanded.

December 4th, 1971

Indo-Pakistani War: The Indian Navy launched a successful attack against the Pakistan Navy at Karachi, sinking three ships with no Indian casualties.

December 4th, 1969

Fred Hampton, the leader of the Illinois chapter of the Black Panther Party, and Mark Clark were killed in a raid by Chicago police officers in what many scholars consider an illegal assassination.

December 4th, 1928

Cosmo Gordon Lang was enthroned as the Archbishop of Canterbury, the first bachelor to be appointed in 150 years.

December 4th, 1893

First Matabele War: A patrol of 34 British South Africa Company soldiers was ambushed and annihilated by more than 3,000 Matabele warriors.

December 4th, 1872

The American brigantine Mary Celeste was found apparently abandoned under circumstances that remain unknown.

December 4th, 1829

Sati, the Hindu funeral custom of a widow's self-immolation on her husband's pyre, was prohibited by Lord William Bentinck in parts of British India after years of campaigning by Ram Mohan Roy (pictured).

December 4th, 1639

Jeremiah Horrocks and William Crabtree made the first successful observation of a transit of Venus (example pictured) from Earth.

December 4th, 1370

Hundred Years' War: In two separate engagements in the Battle of Pontvallain (depicted), French forces wiped out an English army which had split up because of a dispute between the commanders.

December 4th, 1978

Following the murder of Mayor George Moscone, Dianne Feinstein became San Francisco's first female mayor.

December 4th, 1905

The Great Seimas of Vilnius met to discuss national concerns within Lithuania: they decided to demand wide political autonomy within the Russian Empire.

Public holidays on December 4th

Fixed holidays (Christian feast day) which are celebrated on December 4th.

Date as a Roman numeral / digit

Leap year

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

Calendar
December 1421