September 1st, 1231

Born on September 1st, 1231

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

Why not celebrate an alternative birthday? In 670 days, exactly on May 25th, 2028, people who were born on September 1st, 1231 will be 291,000 days old!

... in seconds, minutes and hours

What happened on September 1st?

September 1st, 2019

Hurricane Dorian, the most powerful Atlantic hurricane on record outside the tropics, made landfall in the Bahamas at Category 5 intensity.

September 1st, 2000

Speakers' Corner, a free speech area in Hong Lim Park in Singapore, was launched.

September 1st, 1983

A Soviet jet interceptor shot down the civilian Korean Air Lines Flight 007 near the island of Sakhalin in the north Pacific, killing all 246 passengers and 23 crew on board.

September 1st, 1973

A 76-hour multinational rescue effort in the Irish Sea resulted in the deepest sub rescue in history (pictured).

September 1st, 1972

In a match widely publicized as a Cold War confrontation, American chess grandmaster Bobby Fischer became the 11th World Chess Champion with his victory over Soviet Boris Spassky.

September 1st, 1969

Muammar Gaddafi (pictured) led a coup d'état to overthrow King Idris of Libya.

September 1st, 1967

At an Arab League summit, eight nations issued the Khartoum Resolution, declaring that there would be "no peace with Israel, no recognition of Israel, [and] no negotiations with it".

September 1st, 1952

Ernest Hemingway's novel The Old Man and the Sea, which later won the Pulitzer Prize for Fiction, was first published.

September 1st, 1939

German forces attacked multiple locations in Poland, including Wieluń and Westerplatte, starting World War II in Europe.

September 1st, 1914

The passenger pigeon, which once numbered in the billions, became extinct when the last individual died in captivity.

September 1st, 1911

Construction began on the Saline Valley salt tram, which during its operation was the steepest tram in the United States.

September 1st, 1902

The first science fiction film, titled A Trip to the Moon and based on From the Earth to the Moon by Jules Verne, was released in France.

September 1st, 1872

A small British force commanded by a surgeon fought off a surprise attack by the Maya on Orange Walk Town, British Honduras.

September 1st, 1862

American Civil War: Confederate forces attacked retreating troops (map shown) of the Union Army during a rainstorm in Chantilly, Virginia, but the battle ended inconclusively.

September 1st, 1859

A powerful solar flare caused a coronal mass ejection that struck Earth a few hours later, generating the most intense geomagnetic storm ever recorded and causing bright aurorae visible in the middle latitudes.

Public holidays on September 1st

Fixed holidays (Christian feast day) which are celebrated on September 1st.

Date as a Roman numeral / digit

Leap year

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

Calendar
September 1231