December 31st, 1221

Born on December 31st, 1221

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

Why not celebrate an alternative birthday? In 171 days, exactly on December 11th, 2026, people who were born on December 31st, 1221 will be 294,000 days old!

... in seconds, minutes and hours

What happened on December 31st?

December 31st, 1950

Korean War: North Korean troops attacked United Nations forces in the first of two battles at Wonju.

December 31st, 2010

28 tornadoes (one depicted) touched down in midwestern and southern United States, part of an outbreak that led to the deaths of nine people and large property damage.

December 31st, 1999

In accordance with the Torrijos–Carter Treaties, Panama assumed full control of the Panama Canal Zone from the United States.

December 31st, 1998

The European Exchange Rate Mechanism froze the exchange rates of the legacy currencies in the eurozone, establishing the value of the euro.

December 31st, 1993

Brandon Teena, an American trans man, was raped and murdered in Humboldt, Nebraska; his death led to increased lobbying for hate crime laws in the United States.

December 31st, 1986

Three disgruntled employees set fire to the Dupont Plaza Hotel in San Juan, Puerto Rico, killing more than 90 people and injuring 140 others, making it the second-deadliest hotel fire in American history.

December 31st, 1972

Puerto Rican baseball player Roberto Clemente (pictured) died in a plane crash en route to deliver aid to victims of that year's Nicaragua earthquake.

December 31st, 1965

Central African military officers led by Jean-Bédel Bokassa began a coup d'état against the government of President David Dacko.

December 31st, 1961

RTÉ, Ireland's first television network, began broadcasting.

December 31st, 1909

The Manhattan Bridge, connecting Lower Manhattan to Downtown Brooklyn and considered to be the forerunner of modern suspension bridges, opened to traffic.

December 31st, 1907

New York City held its first annual ball drop event in Times Square as part of New Year's Eve celebrations.

December 31st, 1862

The Battle of Stones River in Murfreesboro, Tennessee, began with an engagement in which both sides would suffer their highest casualty rates in the American Civil War.

December 31st, 1857

Queen Victoria announced the choice of Ottawa , then a small logging town, to be the capital of the British colony of Canada.

December 31st, 1775

American Revolutionary War: At the Battle of Quebec, British forces repulsed an attempt by the Continental Army to capture Quebec City and enlist French Canadian support.

December 31st, 1759

Arthur Guinness signed a 9,000-year lease at £45 per annum to the St. James's Gate Brewery in Dublin and began brewing Guinness.

Public holidays on December 31st

Fixed holidays (Christian feast day, New Year's Eve) which are celebrated on December 31st.

Date as a Roman numeral / digit

Leap year

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

Calendar
December 1221