October 12th, 1139

Born on October 12th, 1139

Age in days, weeks and months
Wow, over 323,000 days old!

Why not celebrate an alternative birthday? In 133 days, exactly on November 10th, 2026, people who were born on October 12th, 1139 will be 324,000 days old!

... in seconds, minutes and hours

What happened on October 12th?

October 12th, 1984

The Provisional Irish Republican Army detonated a bomb at the Grand Hotel in Brighton, England, in a failed attempt to assassinate British prime minister Margaret Thatcher and her cabinet.

October 12th, 1979

Typhoon Tip, the largest and most intense tropical cyclone ever recorded, reached a worldwide record-low sea-level pressure of 870 mbar (25.69 inHg) in the western Pacific Ocean.

October 12th, 1960

Japan Socialist Party leader Inejirō Asanuma (pictured) was assassinated during a live television recording by a far-right ultra-nationalist using a short sword.

October 12th, 1946

Il Canto degli Italiani is adopted as national anthem by the newly formed Italian Republic.

October 12th, 1933

The United States Department of Justice acquired a military prison on Alcatraz Island in San Francisco Bay, to be transformed into the last-resort Alcatraz Federal Penitentiary.

October 12th, 1928

The iron lung (example pictured), a type of medical ventilator, was used for the first time at the Boston Children's Hospital to treat an eight-year-old girl paralyzed by polio.

October 12th, 1917

First World War: New Zealand troops suffered more than 2,000 casualties, including more than 800 deaths, in the First Battle of Passchendaele, making it the nation's largest loss of life in one day.

October 12th, 1892

The Pledge of Allegiance of the United States was first used in public schools to coincide with the opening of the World's Columbian Exposition in Chicago.

October 12th, 1799

Jeanne Geneviève Garnerin became the first woman to make a parachute descent, falling 900 metres (3,000 ft) in the gondola of a hot air balloon.

October 12th, 1798

The Peasants' War began in Overmere, Southern Netherlands, with peasants taking up arms against the French occupiers.

October 12th, 1492

Believing he had reached the East Indies, Christopher Columbus made landfall on an island in the Caribbean, sparking a series of events that led to the European colonization of the Americas.

October 12th, 1398

The Grand Duke of Lithuania Vytautas the Great and the Grand Master of the Teutonic Knights Konrad von Jungingen signed the Treaty of Salynas, the third attempt to cede Samogitia to the Knights.

October 12th, 1978

While in prison for murder, boxer James Scott defeated Eddie "The Flame" Gregory, a leading light heavyweight.

October 12th, 2013

Twelve people were killed in an apartment-building collapse in Medellín, leading to new construction laws being passed in Colombia.

October 12th, 1928

An iron lung respirator is used for the first time at Boston Children's Hospital.

Public holidays on October 12th

Fixed holidays (Christian feast day, Discovery of America by Columbus-related observances) which are celebrated on October 12th.

Date as a Roman numeral / digit

Leap year

No: With 365 days 1139 is a normal year and no leap year.

Calendar
October 1139