February 23rd, 1231

Born on February 23rd, 1231

Age in days, weeks and months
Wow, over 290,000 days old!

Why not celebrate an alternative birthday? In 479 days, exactly on November 17th, 2027, people who were born on February 23rd, 1231 will be 291,000 days old!

... in seconds, minutes and hours

What happened on February 23rd?

February 23rd, 2017

Syrian civil war: Allied troops led by the Turkish Armed Forces captured the city of al-Bab from the Islamic State.

February 23rd, 2008

A B-2 Spirit stealth bomber crashed on the runway shortly after takeoff from Andersen Air Force Base in Guam in the most expensive crash in U.S. Air Force history.

February 23rd, 1987

SN 1987A, the first supernova that modern astronomers were able to study in great detail, was observed from Earth occurring in the Large Magellanic Cloud.

February 23rd, 1971

Vietnam War: South Vietnamese General Đỗ Cao Trí was killed in a helicopter crash en route to taking control of the faltering Operation Lam Son 719.

February 23rd, 1945

American photographer Joe Rosenthal took the Pulitzer Prize–winning photograph Raising the Flag on Iwo Jima during the Battle of Iwo Jima, an image that was later reproduced on the Marine Corps War Memorial.

February 23rd, 1943

35 children and 1 adult employee were killed in a fire at an orphanage in the town of Cavan, Ireland.

February 23rd, 1941

Plutonium was first chemically identified by chemist Glenn T. Seaborg and his team at the University of California, Berkeley.

February 23rd, 1886

American inventor Charles Martin Hall discovered an inexpensive method of producing aluminium.

February 23rd, 1847

Mexican–American War: The United States Army used artillery to repulse the much larger Mexican army at the Battle of Buena Vista near Saltillo.

February 23rd, 1778

American Revolutionary War: Prussian military officer Friedrich Wilhelm von Steuben arrived at Valley Forge in Pennsylvania as a volunteer for the Continental Army.

February 23rd, 1739

The identity of English highwayman Dick Turpin was uncovered by his former schoolmate, who recognised his handwriting, leading to Turpin's trial.

February 23rd, 1725

Johann Sebastian Bach premiered his Shepherd Cantata for the birthday of Christian, Duke of Saxe-Weissenfels (pictured).

February 23rd, 1725

J. S. Bach leads his Tafel-Music Shepherd Cantata for the birthday of Christian, Duke of Saxe-Weissenfels.

February 23rd, 2020

Ahmaud Arbery, a 25-year-old African-American citizen, is shot and murdered by three white men after visiting a house under construction while jogging at a neighborhood in Satilla Shores near Brunswick in Glynn County, Georgia.

February 23rd, 2019

Atlas Air Flight 3591, a Boeing 767 freighter, crashes into Trinity Bay near Anahuac, Texas, killing all three people on board.

Public holidays on February 23rd

Fixed holidays (Christian feast day, Red Army Day or Day of Soviet Army and Navy in the former Soviet Union, also held in various former Soviet republics) which are celebrated on February 23rd.

Date as a Roman numeral / digit

Leap year

No: With 365 days 1231 is a normal year and no leap year.

Calendar
February 1231