March 9th, 1420

Born on March 9th, 1420

Age in days, weeks and months
Wow, over 221,000 days old!

Why not celebrate an alternative birthday? In 524 days, exactly on January 1st, 2028, people who were born on March 9th, 1420 will be 222,000 days old!

... in seconds, minutes and hours

What happened on March 9th?

March 9th, 1891

Kaʻiulani (pictured) was appointed the heir apparent to the throne of the Hawaiian Kingdom.

March 9th, 1977

Twelve gunmen seized three buildings in Washington, D.C., and took 149 hostages in a 39-hour standoff that ended in two deaths.

March 9th, 1967

Svetlana Alliluyeva, the daughter of former Soviet leader Joseph Stalin, defected to the United States.

March 9th, 1927

Former Royal Air Force officer Vivian Stranders (pictured) was convicted of industrial espionage by a French court.

March 9th, 1959

The popular fashion doll Barbie debuted at the American International Toy Fair in New York City.

March 9th, 1957

The Andreanof Islands earthquake struck Hawaii and the Aleutian Islands, causing more than $5 million in damage from ground movement and a destructive tsunami.

March 9th, 1956

In Tbilisi, Georgia, soldiers suppressed mass demonstrations against Soviet leader Nikita Khrushchev's policy of de-Stalinization.

March 9th, 1946

Thirty-three people were killed in a human crush at Burnden Park, a football stadium in Bolton, England.

March 9th, 1945

World War II: In a coup d'état, Imperial Japanese Army officers ousted the government of French Indochina.

March 9th, 1944

World War II: As part of the Battle of Narva, the Soviet Air Forces heavily bombed Tallinn, Estonia, killing up to 800 people, mostly civilians.

March 9th, 1933

U.S. president Franklin D. Roosevelt submitted the Emergency Banking Act to the United States Congress, the first of his New Deal policies.

March 9th, 1932

Éamon de Valera (pictured), a dominant political figure in 20th-century Ireland, became President of the Executive Council of the Irish Free State.

March 9th, 1925

The Royal Air Force began a bombardment and strafing campaign against the mountain strongholds of Mahsud tribesmen in South Waziristan, present-day Pakistan.

March 9th, 1862

American Civil War: In the world's first battle between two ironclad warships, USS Monitor and CSS Virginia fought to a draw near the mouth of Hampton Roads in Virginia.

March 9th, 1847

Mexican–American War: The Siege of Veracruz began, the first large-scale amphibious assault conducted by United States military forces.

Public holidays on March 9th

Fixed holidays (Christian feast day) which are celebrated on March 9th.

Date as a Roman numeral / digit

Leap year

Yes: 1420 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
March 1420