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On This Day in History

Discover what happened on this day in history.

Result

18
  • 1333Second War of Scottish Independence: The Scottish-held town of Berwick-upon-Tweed surrendered to English forces, ending a siege led by King Edward III.
  • 1651Wars 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.
  • 1793Scottish explorer Alexander Mackenzie reached the Pacific coast at Bella Coola, British Columbia, completing the first recorded transcontinental crossing of North America north of Mexico.
  • 1807French brothers Claude and Nicéphore Niépce received a patent for their Pyréolophore, one of the world's first internal combustion engines.
  • 1867The United States Congress established the Indian Peace Commission to seek peace treaties with a number of Native American tribes.
  • 1914George V reviewed more than 200 Royal Navy vessels at Spithead, England.
  • 1917Serbian 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.
  • 1950Korean War: After a month-long campaign, much of the North Korean air force was destroyed by United Nations forces.
  • 1951Abdullah I of Jordan was assassinated while visiting the Al-Aqsa Mosque in Jerusalem.
  • 1968The first games of the Special Olympics (athletes pictured), for athletes with intellectual disabilities, were held at Soldier Field in Chicago.
  • 1969The 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).
  • 1976The Viking 1 lander became the first spacecraft to successfully land on Mars and perform its mission.
  • 1977Rain from a stalled thunderstorm caused six dams to fail, flooding Johnstown, Pennsylvania, resulting in 84 deaths and $340 in damages.
  • 1982Members 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.
  • 1997USS Constitution, one of the United States Navy's original six frigates, sailed for the first time in 116 years after a full restoration.
  • 2001Twenty-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.
  • 2012A gunman carried out a mass shooting at a movie theater in Aurora, Colorado, killing 12 people and injuring 58 others.
  • 2015A 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.

Historical data from Wikipedia (CC BY-SA)

How it is calculated

The tool looks up a stored list of historical events for a calendar date. You give a month number (1 to 12) and a day number (1 to 31), and it builds the key month-day, for example 07-20. It then lists every event saved for that date as year followed by a short description, and shows how many there were. The lists are stored per language; if the chosen language has no entry for the date, the English list is used instead. If no event exists for the date, for example 31 April, no result appears. The number of events is not the same for each date or each language, and the entries come from a fixed dataset that is not updated live.

Worked example

Enter month 7 and day 20, which becomes the key 07-20. The English list for that date contains 18 events and starts with the year 1333; they are shown in year order from earliest to latest. On the Turkish page the same date shows a shorter list of 5 events, starting with 1402.

Try this example →

Common mistakes

  • Typing the day first (20 then 7), as many countries write dates; the first box is the month, and a month of 20 returns nothing.
  • Entering a month name or the year; only the month and day numbers are used.
  • Trying a date that does not exist, such as 31 in a 30-day month.
  • Treating the list as complete for a date; it is a selection of events, not every event that happened.
  • Quoting dates in an essay without checking them in another source, as old dates are sometimes given differently across calendars.

About this calculator

This tool pulls together notable historical events — births, deaths, battles, discoveries, political milestones, and cultural moments — that fall on a specific month and day across many different years, defaulting to today's date. Each entry is tagged with its year so events centuries apart can be compared side by side on the same calendar date.

It's the same format popularized by newspaper "this day in history" columns and almanac features, drawing on the kind of chronological event data found in encyclopedias and historical timelines rather than a single narrow source.

Trivia hosts, history teachers building a daily classroom hook, journalists and bloggers looking for an angle tied to the calendar, genealogists cross-checking family dates against world events, and casual history enthusiasts use it to see what happened on a birthday, anniversary, or any date they're curious about.

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  • Editorial team

    If you want a fun fact for a newsletter, a class or a social post, treat the list as a menu of leads. Pick one entry, then confirm the year and wording in a second source before you publish it. Switching the page language can also change the list, because each language keeps its own set of entries. Is there a well-known event you expected to see on a date and did not?

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