May 17th, 1256

Born on May 17th, 1256

Age in days, weeks and months
Wow, over 281,000 days old!

Why not celebrate an alternative birthday? In 695 days, exactly on June 19th, 2028, people who were born on May 17th, 1256 will be 282,000 days old!

... in seconds, minutes and hours

What happened on May 17th?

May 17th, 2004

Massachusetts became the first U.S. state to legalize same-sex marriage.

May 17th, 2000

Following the killing of two English football fans by Galatasaray supporters in the previous month, British and Turkish hooligans rioted on the day of the UEFA Cup Final in Copenhagen, Denmark.

May 17th, 1995

Six-year-old Gedhun Choekyi Nyima, the 11th Panchen Lama selected by the 14th Dalai Lama, was kidnapped by the Chinese government, who advocated a proxy.

May 17th, 1987

An Iraqi jet fired two Exocet missiles at the American frigate USS Stark, killing 37 personnel and injuring 21 others.

May 17th, 1974

The Troubles: The Ulster Volunteer Force detonated a series of car bombs in Dublin and Monaghan, Ireland, killing 34 people and injuring almost 300 others.

May 17th, 1954

The U.S. Supreme Court ruled in the landmark case Brown v. Board of Education, outlawing racial segregation in public schools because "separate educational facilities are inherently unequal" and therefore unconstitutional.

May 17th, 1947

After renegotiating a contract with the makers of her signature perfume Chanel No. 5, Coco Chanel (pictured) received a share of wartime profits from its sale, making her one of the richest women in the world.

May 17th, 1914

Under the Protocol of Corfu, the Principality of Albania officially recognized Northern Epirus as an autonomous self-governing region.

May 17th, 1902

The Antikythera mechanism, the oldest known surviving geared mechanism, was discovered among artifacts retrieved from a shipwreck off the Greek island of Antikythera.

May 17th, 1900

Second Boer War: The Siege of Mafeking in South Africa was lifted after 217 days, a decisive victory for the British against the Boers.

May 17th, 1865

The International Telecommunication Union, which standardizes and regulates international radio and telecommunications, was founded as the International Telegraph Union in Paris.

May 17th, 1863

American Civil War: At the Battle of Big Black River Bridge in Mississippi, Union forces under John A. McClernand defeated a Confederate rearguard and captured around 1,700 men.

May 17th, 1590

Anne of Denmark (pictured) was crowned the queen consort of Scotland in a ceremony at Holyrood Abbey in Edinburgh.

May 17th, 1521

Edward Stafford (pictured), whose father had been beheaded for rebelling against King Richard III of England, was himself executed for treason against King Henry VIII.

May 17th, 1395

An outnumbered Wallachian army repulsed invading Ottoman forces at the Battle of Rovine.

Public holidays on May 17th

Fixed holidays (Christian feast day) which are celebrated on May 17th.

Date as a Roman numeral / digit

Leap year

Yes: 1256 is a leap year, therefore has a 29th of February with an additional leap day and a total of 366 days (instead of the usual 365 days in a normal year).

Calendar
May 1256