1221 December 1221 December 1st, 1221

Born on December 1st, 1221

Weekday

Wednesday

December 1st, 1221 was a Wednesday.

Age

804

People born on December 1st, 1221 will turn 805 this year (2026), in exactly 160 days .

Zodiac

♐

Sagittarius (The Centaur/Archer)

November 23rd, 1221 - December 21st, 1221

Age in days, weeks and months
Wow, over 293,000 days old!

Why not celebrate an alternative birthday? In 140 days, exactly on November 11th, 2026, people who were born on December 1st, 1221 will be 294,000 days old!

293,860 Days

41,980 Weeks

9,654 Months

... in seconds, minutes and hours

Seconds
Minutes
Hours

What happened on December 1st?

Boeing 727 December 1st, 1974

Two Boeing 727s, TWA Flight 514 and Northwest Orient Airlines Flight 6231, crashed in the eastern United States in unrelated circumstances, killing 95 people on board both aircraft.
Vivianne Miedema December 1st, 2019

Vivianne Miedema scored six goals and had four assists for Arsenal W.F.C. in their 11–1 victory over Bristol City W.F.C., which broke the record for the most goals scored in a FA Women's Super League match.
1991 Ukrainian independence referendum December 1st, 1991

A referendum held to ratify the Act of Declaration of Independence of Ukraine passed with more than 92 percent of the vote.
1988 Ordzhonikidze bus hijacking December 1st, 1988

Five armed men hijacked a bus carrying schoolchildren and a teacher in Ordzhonikidze (now Vladikavkaz, Russia), and were later given an Ilyushin Il-76 aircraft and ransom for the release of the hostages.
Croatian Spring December 1st, 1971

A period of political and economic reforms in the Socialist Republic of Croatia came to an end as the League of Communists of Yugoslavia decided to purge the state's reformist leadership.
Gävle goat December 1st, 1966

The first Gävle goat, a Swedish Yule goat tradition, was constructed in Gävle and then burned to the ground on New Year's Eve.
Antarctic Treaty System December 1st, 1959

Twelve countries signed the Antarctic Treaty, the first arms control agreement established during the Cold War, banning military activity in the Antarctic and setting the continent aside as a scientific preserve.
Flower Drum Song December 1st, 1958

The musical Flower Drum Song by Rodgers and Hammerstein premiered on Broadway.
Rosa Parks December 1st, 1955

Rosa Parks was arrested for refusing to give up her seat on a public bus to a white man in Montgomery, Alabama, United States, sparking the Montgomery bus boycott.
Playboy December 1st, 1953

American men's magazine Playboy was founded in Chicago by Hugh Hefner and his associates.
Somerton Man December 1st, 1948

In "one of Australia's most profound mysteries", the body of an unidentified man was found on Somerton beach in Adelaide, a case which remains unsolved.
Civil Air Patrol December 1st, 1941

The Civil Air Patrol, the civilian auxiliary of the United States Air Force, was founded.
Sergei Kirov December 1st, 1934

Soviet politician Sergei Kirov was assassinated at the Smolny Institute in Leningrad.
Gleno Dam December 1st, 1923

The Gleno Dam in the Italian province of Bergamo failed due to poor workmanship, flooding the downstream valley and killing at least 356 people.
Danish–Icelandic Act of Union December 1st, 1918

With the signing of the Act of Union, Denmark recognized the Kingdom of Iceland as a fully sovereign state in personal union through a common monarch.

Public holidays on December 1st

Fixed holidays (Christian feast day, World AIDS Day, and its related observances) which are celebrated on December 1st.

Battle of the Sinop Day (Russia)
en.wikipedia.org/wiki/Days_of_Military_Honour
Alexander Briant
Christian feast dayen.wikipedia.org/wiki/Alexander_Briant
Ansanus
Christian feast dayen.wikipedia.org/wiki/Ansanus
Blessed Bruna Pellesi
Christian feast dayen.wikipedia.org/wiki/Beatification
Castritian
Christian feast dayen.wikipedia.org/wiki/Castritian
Blessed Charles de Foucauld
Christian feast dayen.wikipedia.org/wiki/Charles_de_Foucauld
Edmund Campion
Christian feast dayen.wikipedia.org/wiki/Edmund_Campion
Eligius
Christian feast dayen.wikipedia.org/wiki/Saint_Eligius
Evasius
Christian feast dayen.wikipedia.org/wiki/Evasius
Grwst
Christian feast dayen.wikipedia.org/wiki/Saint_Grwst
Nahum
Christian feast dayen.wikipedia.org/wiki/Nahum
Nicholas Ferrar (Episcopal Church)
Christian feast dayen.wikipedia.org/wiki/Nicholas_Ferrar
Ralph Sherwin
Christian feast dayen.wikipedia.org/wiki/Ralph_Sherwin_(priest)
Ursicinus of Brescia
Christian feast dayen.wikipedia.org/wiki/Ursicinus_of_Brescia
December 1 (Eastern Orthodox liturgics)
Christian feast dayen.wikipedia.org/wiki/December_1_(Eastern_Orthodox_liturgics)
Damrong Rajanubhab Day (Thailand)
en.wikipedia.org/wiki/Public_holidays_in_Thailand
Earliest day on which Farmer's Day can fall, while December 7 is the latest; celebrated on the first Friday in December. (Ghana)
en.wikipedia.org/wiki/Public_holidays_in_Ghana
Earliest day on which Good Neighborliness Day can fall, while December 7 is the latest; celebrated on the first Sunday in December. (Turkmenistan)
en.wikipedia.org/wiki/Public_holidays_in_Turkmenistan
Earliest day on which Sindhi Cultural Day can fall, while December 7 is the latest; celebrated on the first Sunday in December. (Sindhi diaspora)
en.wikipedia.org/wiki/Sindhi_Cultural_Day
First President Day (Kazakhstan)
en.wikipedia.org/wiki/First_President's_Day_(Kazakhstan)
Freedom and Democracy Day (Chad)
en.wikipedia.org/wiki/Freedom_and_Democracy_Day
Great Union Day, celebrates the Union of Transylvania with Romania in 1918. (Romania)
en.wikipedia.org/wiki/Great_Union_Day
Military Abolition Day (Costa Rica)
en.wikipedia.org/wiki/Public_Force_of_Costa_Rica
National Day (Myanmar)
en.wikipedia.org/wiki/National_Day_(Myanmar)
Republic Day (Central African Republic)
en.wikipedia.org/wiki/Public_holidays_in_the_Central_African_Republic
Restoration of Independence Day (Portugal)
en.wikipedia.org/wiki/Public_holidays_in_Portugal
Rosa Parks Day (Ohio and Oregon, United States)
en.wikipedia.org/wiki/Rosa_Parks_Day
Self-governance Day or Fullveldisdagurinn (Iceland)
en.wikipedia.org/wiki/Public_holidays_in_Iceland
Teachers' Day (Panama)
en.wikipedia.org/wiki/List_of_Teachers'_Days
Day Without Art
World AIDS Day, and its related observancesen.wikipedia.org/wiki/Day_Without_Art
Charles de Foucauld
Christian feast dayen.wikipedia.org/wiki/Charles_de_Foucauld
Great Union Day, celebrates the union of Transylvania with Romania in 1918 (Romania)
en.wikipedia.org/wiki/Great_Union_Day

Date as a Roman numeral / digit

I.XII.MCCXXI

1.12.1221

Legend

M = 1000C = 100X = 10I = 1

Leap year

No: With 365 days 1221 is a normal year and no leap year.

Calendar
December 1221

December 1221

w# Mo Tu We Th Fr Sa Su
48 12345
49 6789101112
50 13141516171819
51 20212223242526
52 2728293031

Date of birth

Try another date

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30. November 1221
November 1221

02. December 1221
January 1222