Here are 31 newsworthy and notable historical anniversaries in May 2025 (listed six months in advance so you have time to write about them)
Historical anniversaries are great for ‘On This Day in History’ features, articles, biographies and other anniversary tie-ins. They’re popular with newspaper and magazine readers and radio stations, and editors, producers and presenters love them. They’re easy to research too. You can also turn them into movies, documentaries, novels, use them to plan events and exhibitions, and much more.
(Find out more at the end of this article.)
We’ve randomly selected an anniversary for each day of the month from The Date-A-Base Book 2025, which lists more than 3,600 anniversaries. The Date-A-Base Book 2026, 2027, 2028 and 2029 are also available. The 2030 edition will be published in April 2025.
1 May 1875 – 150 years ago
Alexandra Palace in London, England officially opened. It originally opened in 1873 but burnt down two weeks later. It became the home of BBC Television in 1935, and the world’s first high-definition (405-line) broadcasts were made from there in 1936.
2 May 1945 – 80 years ago
World War II: the Battle of Berlin, Germany ended. Allied victory which led to the surrender of all German forces outside Berlin by 9th May, and the end of the war in Europe. Soviet forces took control of the Reichstag (parliament building) and raised the Soviet flag.
3 May 2000 – 25 years ago
The sport of geocaching began, the day after the USA stopped deliberately degrading the GPS system that was available to the public. The first cache was hidden by Dave Ulmer in Beavercreek, Oregon, USA.
4 May 2000 – 25 years ago
Ken Livingstone became the first mayor of London.
5 May 1925 – 100 years ago
The Scopes Trial: American science teacher John Scopes was arrested and charged with teaching the theory of evolution at a high school in Dayton, Tennessee, in violation of the Butler Act.
6 May 1935 – 90 years ago
New Deal: the Works Progress Administration was established in the USA. It employed millions of unemployed workers on public works projects during the Great Depression. It operated until 1943.
7 May 1825 – 200 years ago
Death of Antonio Salieri, Italian composer, conductor and educator. He helped develop opera, and taught composers including Liszt, Schubert, Beethoven, and Mozart. He was rumoured to have poisoned his ‘bitter rival’ Mozart, but this was later proven to be false.
8 May 1945 – 80 years ago
World War II: VE day (Victory in Europe) – celebrated as a public holiday.
9 May 1955 – 70 years ago
The first television appearance of Jim Henson and the Muppets, in the series Sam and Friends, broadcast in the Washington D.C. area of the USA.
10 May 1975 – 50 years ago
Sony launched the Betamax video cassette recorder in Japan. (USA: November.)
It lost the videotape format war to its rival, VHS, though Betamax recorders remained on sale until 2002.
11 May 1985 – 40 years ago
The Bradford City stadium fire, UK.
56 football fans were killed and at least 265 injured when a flash fire swept through the main stand during a match against Lincoln City.
12 May 2000 – 25 years ago
The Tate Modern art gallery opened in London.
13 May 1950 – 75 years ago
The first Formula One World Championship race was held, at Silverstone, England.
(This race is also known as the 1950 British Grand Prix.)
14 May 1925 – 100 years ago
Death of H. Rider Haggard, British novelist. Known for his adventure stories set mainly in Africa. Best known for King Solomon’s Mines.
15 May 1955 – 70 years ago
The first successful ascent of Makalu, the world’s fifth-highest mountain, by French climbers Lionel Terray and Jean Couzy.
16 May 1960 – 65 years ago
The first working laser was demonstrated by Theodore Maiman at Hughes Research Laboratories in Malibu, California, USA.
17 May 1875 – 150 years ago
The first Kentucky Derby horse race was held, at Churchill Downs in Louisville, Kentucky, USA.
18 May 2000 – 25 years ago
Boo.com, a short-lived high-profile British online fashion retailer went into receivership. It had burnt through more than £125 million of venture capital in just six months, and is regarded as one of the greatest failures of the dot-com bust. Its failure was attributed to excessive marketing costs, over-ambitious growth plans, and its complicated website that took several minutes to load. It also had a much higher than anticipated rate of product returns.
19 May 1925 – 100 years ago
Birth of Malcolm X, controversial African American Muslim leader and human rights activist. (Assassinated in 1965.)
20 May 1925 – 100 years ago
Birth of Alexei Tupolev, Russian aircraft designer.
Best known for leading the development of the Tupolev Tu-144, the first supersonic passenger jet (which closely resembled the Anglo–French Concorde), and for helping to design the Buran space shuttle (which closely resembled the U.S. space shuttle). (Died 2001.)
21 May 2000 – 25 years ago
Death of Dame Barbara Cartland, British author of more than 700 romantic novels.
22 May 1965 – 60 years ago
Death of Christopher Stone, the first radio DJ in the UK (in 1927).
23 May 1995 – 30 years ago
The first version of the computer programming language Java was released.
24 May 1925 – 100 years ago
Birth of Mai Zetterling, Swedish actress and film director. (Died 1994.)
25 May 1945 – 80 years ago
British science fiction writer Arthur C. Clark privately circulated a document in which he proposed using geostationary satellites as telecommunications relays. (His idea was first made public in the October 1945 issue of Wireless World magazine. The first commercial geostationary communications satellite, Intelsat I, was launched in April 1965.)
26 May 725 – 1300 years ago
Death of The Venerable Bede (Saint Bede the Venerable), English Benedictine monk, historian, linguist, translator and teacher. ‘The father of English history’. He helped popularise the idea of dating years from the birth of Christ (Anno Domini – A.D.)
27 May 1975 – 50 years ago
The Dibble’s Bridge coach crash, Hebden, North Yorkshire, UK.
32 people were killed and 13 injured when a coach’s brakes failed on a steep hill. It remains the worst road accident in the UK, by fatalities.
28 May 1945 – 80 years ago
World War II: American-born Nazi propaganda broadcaster William Joyce (‘Lord Haw-Haw’) was captured near the Danish border and taken to Britain to face trial, as he had a British passport. He was convicted of treason against the British Crown, and was sentenced to death on 19th September. He was hanged on 3rd January 1946, and was the last person to be executed for treason in Britain.
29 May 1985 – 40 years ago
The Heysel Stadium disaster, Brussels, Belgium.
39 football fans were crushed to death during rioting at the European Cup Final between Liverpool and Juventus. All English football clubs were subsequently banned from playing in European competitions until 1990.
30 May 1975 – 50 years ago
The European Space Agency (ESA) was founded when the European Space Research Organisation (ESRO) merged with the European Launch Development Organisation (ELDO).
31 May 1955 – 70 years ago
The U.S. Supreme Court ordered the desegregation of schools ‘with all deliberate speed’.
More anniversaries:
You’ll find hundreds more anniversaries for this month in The Date-A-Base Book 2025.
The 2026, 2027, 2028 and 2029 editions are also available if you work further ahead.
Each edition is available as a PDF ebook (with a free Excel spreadsheet) or as a printed paperback book.
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How to use the anniversaries:
How can you turn the anniversaries listed here and in The Date-A-Base Books into articles for magazines, newspapers and websites? How do you get paid for writing them, and how can you make a great living from it?
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