May 9th, 1312

Born on May 9th, 1312

Age in days, weeks and months
Wow, over 260,000 days old!

Why not celebrate an alternative birthday? In 139 days, exactly on December 12th, 2026, people who were born on May 9th, 1312 will be 261,000 days old!

... in seconds, minutes and hours

What happened on May 9th?

May 9th, 1949

Rainier III became Prince of Monaco, beginning a 56-year reign, which would make him one of the longest ruling monarchs of the 20th century.

May 9th, 1915

World War I: British forces launched the Battle of Aubers, an offensive on the Western Front, as part of the larger Second Battle of Artois.

May 9th, 1761

The inaugural exhibition of the Society of Artists of Great Britain opened at Spring Gardens in London.

May 9th, 2012

The pilots of a Sukhoi Superjet, ignoring alerts from the terrain warning system, crashed the aircraft into Mount Salak in Indonesia, resulting in the deaths of all 45 people on board.

May 9th, 2005

Pope Benedict XVI began the beatification process for his predecessor Pope John Paul II, waiving the standard five years required after the nominee's death.

May 9th, 2001

Police at the Ohene Djan Stadium in Accra, Ghana, fired tear gas to quell unrest at a football match, leading to a stampede that killed 126 people.

May 9th, 1992

An underground methane explosion occurred at the Westray Mine in Plymouth, Nova Scotia, killing all 26 Canadian coal miners who were working at the time.

May 9th, 1980

Part of the Sunshine Skyway Bridge in Florida collapsed after a pier was struck by MV Summit Venture, killing 35 people.

May 9th, 1979

Prominent Iranian Jew Habib Elghanian was executed after having been convicted by a revolutionary tribunal of various charges, triggering a mass exodus of Jews from Iran.

May 9th, 1977

The Hotel Polen in Amsterdam was destroyed by fire (pictured), leaving 33 people dead.

May 9th, 1964

Ngô Đình Cẩn, a younger brother and the confidant of South Vietnam's first president, Ngô Đình Diệm, was executed by Nguyễn Khánh's military junta.

May 9th, 1961

In a speech to U.S. broadcasters, Newton Minow, the chairman of the Federal Communications Commission, described commercial television programming as "a vast wasteland".

May 9th, 1960

The U.S. Food and Drug Administration announced that it would approve the use of Searle's Enovid, the first combined oral contraceptive pill.

May 9th, 1944

World War II: The Japanese Take Ichi convoy arrived at Halmahera in the Dutch East Indies after losing many ships and thousands of troops to Allied attacks while attempting to carry two divisions of troops from China to New Guinea.

May 9th, 1918

First World War: Germany repelled Britain's second attempt to blockade the Belgian port of Ostend.

Public holidays on May 9th

Fixed holidays (Christian feast day, Commemoration of the end of the German occupation of the Channel Islands related observances, Victory Day observances, celebration of the Soviet Union victory over Nazi Germany) which are celebrated on May 9th.

Date as a Roman numeral / digit

Leap year

Yes: 1312 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
May 1312