September 23rd, 1311

Born on September 23rd, 1311

Age in days, weeks and months
Wow, over 261,000 days old!

Why not celebrate an alternative birthday? In 910 days, exactly on January 21st, 2029, people who were born on September 23rd, 1311 will be 262,000 days old!

... in seconds, minutes and hours

What happened on September 23rd?

September 23rd, 2002

The first version of the web browser Firefox was released by the Mozilla Organization.

September 23rd, 2019

The British travel company Thomas Cook Group ceased operations with immediate effect, leaving around 600,000 tourists stranded around the world.

September 23rd, 2016

Following a number of high-profile sexual assaults, major reforms were enacted to strengthen laws related to rape in Germany.

September 23rd, 2010

Teresa Lewis became the first woman to be executed by the U.S. state of Virginia since 1912, and the first woman in the state to be executed via lethal injection.

September 23rd, 2008

A gunman shot and killed ten students at the Seinäjoki University of Applied Sciences in Kauhajoki, Finland, before committing suicide.

September 23rd, 1952

U.S. vice-presidential candidate Richard Nixon delivered the Checkers speech, one of the first political uses of television to appeal directly to the populace.

September 23rd, 1920

The Louisiana hurricane dissipated over Kansas after forcing around 4,500 people to evacuate and causing $1.45 million in damages.

September 23rd, 1913

The United Mine Workers of America begin a strike against the Rockefeller-owned Colorado Fuel & Iron Company, sparking the Colorado Coalfield War.

September 23rd, 1884

The French steamship Arctique ran aground on the northern coast of Cape Virgenes in Argentina; gold was discovered during the rescue effort, triggering the Tierra del Fuego gold rush.

September 23rd, 1803

Maratha troops were defeated by forces of the British East India Company at the Battle of Assaye, one of the decisive battles of the Second Anglo-Maratha War.

September 23rd, 1780

American Revolutionary War: British officer John André was captured by Patriot forces, thereby revealing a plot by Continental Army general Benedict Arnold to hand over West Point, New York.

September 23rd, 1642

First English Civil War: The Battle of Powick Bridge, the first engagement between the primary field armies of the Royalists and the Parliamentarians, ended in a Royalist victory.

September 23rd, 1122

Pope Callixtus II and Holy Roman emperor Henry V agreed the Concordat of Worms (pictured), ending the Investiture Controversy.

September 23rd, 1338

The Battle of Arnemuiden, in which a French force defeats the English, is the first naval battle of the Hundred Years' War.

September 23rd, 1962

Flying Tiger Line Flight 923, a Lockheed L-1049H Super Constellation registered as N6923C, ditches into the Atlantic Ocean killing 28 out the 76 occupants onboard. The remaining 48 were rescued six hours later.

Public holidays on September 23rd

Fixed holidays (Christian feast day) which are celebrated on September 23rd.

Date as a Roman numeral / digit

Leap year

No: With 365 days 1311 is a normal year and no leap year.

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September 1311