June 15th, 1421

Born on June 15th, 1421

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

Why not celebrate an alternative birthday? In 39 days, exactly on July 13th, 2026, people who were born on June 15th, 1421 will be 221,000 days old!

... in seconds, minutes and hours

What happened on June 15th?

June 15th, 2012

American acrobat Nik Wallenda became the first person to walk a tightrope stretched directly over Niagara Falls.

June 15th, 2006

US president George W. Bush designated 140,000 square miles (360,000 km2) around the Northwestern Hawaiian Islands as the Papahānaumokuākea Marine National Monument, now one of the world's largest protected areas.

June 15th, 2001

Leaders of China, Russia, Kazakhstan, Kyrgyzstan, Tajikistan and Uzbekistan formed the Shanghai Cooperation Organisation.

June 15th, 1996

The Troubles: The Provisional Irish Republican Army detonated a truck bomb in the commercial centre of Manchester, England, injuring more than 200 people and causing widespread damage to buildings.

June 15th, 1991

The eruption of Mount Pinatubo in the Philippines deposited large amounts of particulate matter into the atmosphere, enough to lower global temperatures by about 0.5 °C (0.9 °F).

June 15th, 1978

King Hussein of Jordan married American Lisa Halaby, who became known as Queen Noor of Jordan (pictured).

June 15th, 1944

World War II: The United States Army Air Forces began the first air raid of its strategic bombing campaign against the Japanese archipelago, although little damage was caused.

June 15th, 1921

Bessie Coleman (pictured) became the first Black person to earn an international pilot's license from the Fédération Aéronautique Internationale.

June 15th, 1920

Three African-American circus workers were lynched by a mob in Duluth, Minnesota, a crime that shocked the country for having taken place in the Northern United States.

June 15th, 1896

An earthquake registering 8.5 Mw and subsequent tsunami struck Japan, killing at least 22,000 people and destroying about 9,000 homes.

June 15th, 1878

Eadweard Muybridge took a series of photographs to prove that all four feet of a horse leave the ground when it gallops (animation pictured), which became the basis of motion pictures.

June 15th, 1859

The shooting of a pig in the San Juan Islands led to the so-called Pig War over the border between the United States and British North America.

June 15th, 1800

War of the Second Coalition: The signing of the Convention of Alessandria brought temporary peace between France and Austria.

June 15th, 1520

Pope Leo X issued the papal bull Exsurge Domine, censuring 41 propositions from Martin Luther's Ninety-five Theses and subsequent writings, and threatening him with excommunication unless he recanted.

June 15th, 1215

King John of England and a group of rebel barons agreed on the text of Magna Carta, an influential charter of rights.

Public holidays on June 15th

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

Date as a Roman numeral / digit

Leap year

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

Calendar
June 1421