July 20th, 1284

Born on July 20th, 1284

Age in days, weeks and months
Wow, over 271,000 days old!

Why not celebrate an alternative birthday? In 985 days, exactly on April 6th, 2029, people who were born on July 20th, 1284 will be 272,000 days old!

... in seconds, minutes and hours

What happened on July 20th?

July 20th, 2015

A suicide attack (aftermath pictured) in Suruç, Turkey, for which Islamic State of Iraq and the Levant (ISIL) claimed responsibility, killed 34 people and injured 104 others.

July 20th, 2012

A gunman carried out a mass shooting at a movie theater in Aurora, Colorado, killing 12 people and injuring 58 others.

July 20th, 2001

Twenty-three-year-old Italian anti-globalist Carlo Giuliani was shot dead by a police officer while protesting outside the 27th G8 summit held in Genoa, Italy.

July 20th, 1914

George V reviewed more than 200 Royal Navy vessels at Spithead, England.

July 20th, 1997

USS Constitution, one of the United States Navy's original six frigates, sailed for the first time in 116 years after a full restoration.

July 20th, 1982

Members of the Provisional Irish Republican Army detonated two bombs in Hyde Park and Regent's Park in London, killing eleven British Army personnel and seven horses.

July 20th, 1977

Rain from a stalled thunderstorm caused six dams to fail, flooding Johnstown, Pennsylvania, resulting in 84 deaths and $340 in damages.

July 20th, 1976

The Viking 1 lander became the first spacecraft to successfully land on Mars and perform its mission.

July 20th, 1969

The Apollo 11 Lunar Module Eagle landed on the Sea of Tranquillity, where Neil Armstrong and Buzz Aldrin became the first men to walk on the Moon six and a half hours later (bootprint pictured).

July 20th, 1950

Korean War: After a month-long campaign, much of the North Korean air force was destroyed by United Nations forces.

July 20th, 1917

Serbian prime minister Nikola Pašić and Yugoslav Committee president Ante Trumbić signed the Corfu Declaration, agreeing to seek the establishment of the Kingdom of Serbs, Croats, and Slovenes.

July 20th, 1867

The United States Congress established the Indian Peace Commission to seek peace treaties with a number of Native American tribes.

July 20th, 1807

French brothers Claude and Nicéphore Niépce received a patent for their Pyréolophore, one of the world's first internal combustion engines.

July 20th, 1793

Scottish explorer Alexander Mackenzie reached the Pacific coast at Bella Coola, British Columbia, completing the first recorded transcontinental crossing of North America north of Mexico.

July 20th, 1651

Wars of the Three Kingdoms: After crossing the Firth of Forth, English Commonwealth forces defeated a Scottish army at the Battle of Inverkeithing, opening the rest of the country to occupation.

Public holidays on July 20th

Fixed holidays (Christian feast day) which are celebrated on July 20th.

Date as a Roman numeral / digit

Leap year

Yes: 1284 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
July 1284