Here are 31 newsworthy and notable historical anniversaries in August 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.
Each edition is available in British and U.S. versions. Both have the same content, but with different date formats and spellings. If you click on the links above, you should be directed to the correct version, based on your location. We’ve taken the anniversaries below from the British version.
1 Aug 1965 – 60 years ago
The advertising of cigarettes on British television was banned. TV advertisements for cigars and loose tobacco were allowed until 1991.
2 Aug 1925 – 100 years ago
Birth of Jorge Rafael Videla, President/dictator of Argentina (1976–81). He was later convicted of large-scale human rights abuses and crimes against humanity that took place under his rule. He was sentenced to life imprisonment. (Died 2013.)
3 Aug 1900 – 125 years ago
Birth of John T. Scopes, American teacher. Best known for violating Tennessee’s Butler Act by teaching the theory of evolution to his students – and the subsequent court case (the Scopes Trial).
4 Aug 1875 – 150 years ago
Death of Hans Christian Andersen, Danish writer. Best known for his fairy tales, including The Emperor’s New Clothes, The Little Mermaid, The Princess and the Pea, The Snow Queen, The Ugly Duckling, The Little Match Girl, Thumbelina, and more.
5 Aug 1925 – 100 years ago
The Welsh nationalist political party Plaid Cymru was founded.
6 Aug 1945 – 80 years ago
World War II – the Hiroshima atomic bomb. The U.S. Army Air Forces dropped an atomic bomb on the city of Hiroshima in Japan. The centre of the city was totally destroyed and approximately 80,000 people were killed immediately. A further 60,000 died by the end of the year from injury or radiation. Hiroshima was the first city in history to be hit by a nuclear weapon. (See also: 9th August 1945.)
7 Aug 1955 – 70 years ago
Sony (then known as the Tokyo Telecommunications Engineering Corporation) released the first transistor radio made in Japan: the TR-55. It was also the first transistor radio in the world to use all-miniature components.
8 Aug 1975 – 50 years ago
The Banqiao Reservoir Dam in China collapsed during heavy flooding caused by Typhoon Nina. The surge of water caused 61 smaller dams to fail. 229,000 people were killed and 11 million made homeless.
9 Aug 1965 – 60 years ago
Singapore was expelled from Malaysia and became an independent country.
10 Aug 1945 – 80 years ago
Death of Robert H. Goddard, American engineer, physicist, inventor and educator. He built the first liquid-fuelled rocket and invented the multi-stage rocket. He has been called ‘the man who ushered in the Space Age’. NASA’s Goddard Space Flight Center was named in his honour.
11 Aug 1995 – 30 years ago
U.S. President Bill Clinton banned all nuclear weapons testing by the USA, saying that the country’s nuclear stockpile could be safely maintained without the need for any further testing. He made this statement ahead of signing the Comprehensive Nuclear-Test-Ban Treaty in September 1996.
12 Aug 1945 – 80 years ago
The Soviet Union occupied North Korea and established a communist government.
13 Aug 1965 – 60 years ago
The American rock band Jefferson Airplane gave their first public performance, at The Matrix nightclub in San Francisco, California.
14 Aug 1945 – 80 years ago
World War II: Japan’s surrender and the end of the war. Japan announced its unconditional surrender, ending WWII in the Pacific. Japanese Emperor Hirohito publicly announced Japan’s surrender on 15th August. The war officially ended on 2nd September when Japan signed the surrender document.
15 Aug 1965 – 60 years ago
The birth of stadium rock. British rock group the Beatles played to more than 55,000 fans at Shea Stadium in New York City, USA. The famous event set attendance and revenue records that paved the way for future stadium rock concerts.
16 Aug 1945 – 80 years ago
Death of Takijiro Ohnishi, Japanese admiral. Known as the father of the kamikaze – he sent around 4,000 pilots to their deaths. (Suicide, aged 54, after Japan surrendered at the end of WWII.)
17 Aug 1945 – 80 years ago
George Orwell’s satirical novella Animal Farm was published.
18 – 24 Aug 1965 – 60 years ago
Vietnam War: Operation Starlite – the first major U.S. ground battle of the war. Result: indecisive.
19 Aug 1950 – 75 years ago
Saturday morning television programmes for children were first broadcast on ABC in the USA.
20 Aug 1775 – 250 years ago
The city of Tucson, Arizona, USA was established by the Spanish as a military fort.
21 Aug 1935 – 90 years ago
American musician Benny Goodman (‘the King of Swing’) and his big band performed at the Palomar Ballroom in Los Angeles, California. This event is often cited as the beginning of the Swing era. It might not have been the first swing performance, but it helped popularise swing music and brought it to the attention of the masses.
22 Aug 1985 – 40 years ago
Manchester air disaster, England. A British Airtours Boeing 737 burst into flames at Manchester Airport after an engine caught fire and a fuel tank ruptured. 55 people were killed.
23 Aug 1775 – 250 years ago
American Revolution: King George III of Great Britain issued the Proclamation of Rebellion. It stated that the American colonies were in a state of open rebellion and should be suppressed.
24 Aug 1995 – 30 years ago
Microsoft released its Windows 95 operating system (with an extensive marketing campaign). On the same day, it also launched Microsoft Office 95, and Microsoft Network (MSN) – an online service designed to compete with AOL.
25 Aug 1875 – 150 years ago
Captain Matthew Webb of the British Royal Navy became the first person to successfully swim the English Channel. He swam from Dover, England to Calais, France in 21 hours and 40 minutes.
26 Aug 1875 – 150 years ago
Birth of John Buchan, 1st Baron Tweedsmuir, Scottish novelist, historian, politician and diplomat. Governor General of Canada (1935–40). Best known for his novel The Thirty-Nine Steps.
27 Aug 1975 – 50 years ago
Death of Haile Selassie, Emperor of Ethiopia (1930–74). (Strangled by former military officers.)
28 Aug 1995 – 30 years ago
Fox television in the USA broadcast a seventeen-minute ‘alien autopsy’ film, which supposedly depicted the secret autopsy of an alien recovered from a spacecraft that crashed near Roswell, New Mexico in 1947. British entrepreneur Ray Santilli, who claimed to have discovered the film, later said most of it was a ‘reconstruction’ because the original film had deteriorated. The authenticity of the original film has never been confirmed.
29 Aug 1950 – 75 years ago
Korean War: the first British troops arrived in Korea to bolster the U.S. presence there.
30 Aug 1945 – 80 years ago
World War II: Hong Kong was liberated by British forces.
31 Aug 1900 – 125 years ago
Coca-Cola went on sale in the UK for the first time when the company founder’s son, Charles Candler, brought five gallons of syrup with him on a visit to London. It was sold at a basement restaurant in London. It did not officially go on sale in the UK until the early 1920s.
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. The 2030 edition is coming soon.
Each edition is available as a PDF ebook (with a free Excel spreadsheet) or as a printed paperback book, in British or U.S. versions.
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Highly recommended for research or if you’re just curious about ‘on this day’ type history.”
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— Mark
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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