July 15th, 1237

Born on July 15th, 1237

Age in days, weeks and months
Wow, over 288,000 days old!

Why not celebrate an alternative birthday? In 866 days, exactly on October 16th, 2028, people who were born on July 15th, 1237 will be 289,000 days old!

... in seconds, minutes and hours

What happened on July 15th?

July 15th, 2012

South Korean rapper Psy (pictured) released his hit single "Gangnam Style".

July 15th, 1983

Sega's first home video game console, the SG-1000 (pictured), was released in Japan.

July 15th, 1943

The all-female Emilia Plater Independent Women's Battalion was formed in the Soviet Union's First Polish Army.

July 15th, 1870

Following the transfer of Rupert's Land from the Hudson's Bay Company, Manitoba was established as a province of Canada.

July 15th, 1815

Aboard HMS Bellerophon, French emperor Napoleon surrendered to Royal Navy captain Frederick Lewis Maitland, concluding the Napoleonic Wars.

July 15th, 1799

French soldiers at Fort Julien, near the Egyptian port city of Rashid, uncovered the Rosetta Stone, which was essential in the decipherment of ancient Egyptian scripts.

July 15th, 1410

The Kingdom of Poland and the Grand Duchy of Lithuania defeated the Teutonic Knights at the Battle of Grunwald, the decisive engagement of the Polish–Lithuanian–Teutonic War.

July 15th, 2018

Croatian Mario Mandžukić scored the first own goal in a FIFA World Cup final in their defeat to France.

July 15th, 1946

The State of North Borneo, now Sabah, Malaysia, is annexed by the United Kingdom.

July 15th, 1942

The Holocaust: Nazi Germany begins the deportation of 100,000 Jews from the occupied Netherlands to extermination camps.

July 15th, 1927

Massacre of July 15, 1927: Eighty-nine protesters are killed by Austrian police in Vienna.

July 15th, 1922

The Japanese Communist Party is established in Japan.

July 15th, 1920

Aftermath of World War I: The Parliament of Poland establishes Silesian Voivodeship before the Polish-German plebiscite.

July 15th, 1918

World War I: The Second Battle of the Marne begins near the River Marne with a German attack.

July 15th, 1916

In Seattle, Washington, William Boeing and George Conrad Westervelt incorporate Pacific Aero Products (later renamed Boeing).

Public holidays on July 15th

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

Date as a Roman numeral / digit

Leap year

No: With 365 days 1237 is a normal year and no leap year.

Calendar
July 1237