September 15th, 1421

Born on September 15th, 1421

Age in days, weeks and months
Wow, over 220,000 days old!

Why not celebrate an alternative birthday? In 132 days, exactly on October 13th, 2026, people who were born on September 15th, 1421 will be 221,000 days old!

... in seconds, minutes and hours

What happened on September 15th?

September 15th, 1795

French Revolutionary Wars: Great Britain seized the Dutch Cape Colony to use its facilities against the French Navy.

September 15th, 2017

A homemade bomb partially exploded on an eastbound District line train at Parsons Green tube station in West London, injuring 30 passengers.

September 15th, 2013

The Belarusian serial killer Ivan Kulesh murdered two saleswomen in Lida.

September 15th, 2008

Financial crisis of 2007–2008: The global financial services firm Lehman Brothers filed for bankruptcy while holding over $600 billion in assets, the largest such filing in U.S. history.

September 15th, 1972

Three armed members of the Croatian National Resistance hijacked Scandinavian Airlines System Flight 130 in an attempt to force the release of those arrested for the assassination of the Yugoslav ambassador the previous year.

September 15th, 1963

The Ku Klux Klan bombed the 16th Street Baptist Church, an African-American church in Birmingham, Alabama, killing four girls and injuring at least 14 other people (memorial march pictured).

September 15th, 1954

The scene in The Seven Year Itch of Marilyn Monroe standing in a white dress over a subway grate was filmed by Billy Wilder.

September 15th, 1944

World War II: American and Australian forces landed on the Japanese-occupied island of Morotai.

September 15th, 1935

Nazi Germany enacted the Nuremberg Laws (pictured), which deprived Jews of their citizenship.

September 15th, 1916

Tanks (example pictured), the "secret weapons" of the British Army during the First World War, were first used in combat at the Battle of Flers–Courcelette in France.

September 15th, 1862

American Civil War: Confederate forces captured the Union garrison at Harpers Ferry, Virginia, taking more than 12,000 prisoners.

September 15th, 1830

The Liverpool and Manchester Railway (L&M) (depicted), the first locomotive-hauled railway to connect two major cities, opened with the Duke of Wellington in attendance.

September 15th, 1821

The Province of Guatemala proclaimed the independence of Central America from the Spanish Empire.

September 15th, 1791

French playwright Olympe de Gouges published the Declaration of the Rights of Woman and of the Female Citizen, hoping to expose the failures of the French Revolution in the recognition of gender equality.

September 15th, 1776

American Revolutionary War: British forces made an unopposed amphibious landing at Kips Bay on Manhattan, the American defenders having fled due to artillery fire.

Public holidays on September 15th

Fixed holidays (Christian feast day) which are celebrated on September 15th.

Date as a Roman numeral / digit

Leap year

No: With 365 days 1421 is a normal year and no leap year.

Calendar
September 1421