# On this day: July 25

July 25 is the 206th day of the year (207th in leap years), with 159 days left until the end of the year.

## July 25 in one line

Headline entries for July 25, from Wikipedia: in 306, Constantine the Great was proclaimed Roman emperor by his troops after the death of Constantius Chlorus; born 1920: Rosalind Franklin, English biophysicist, chemist, and academic. Contributor to basic research of DNA. (died 1958); died 1834: Samuel Taylor Coleridge, English philosopher, poet, and critic (born 1772). In 2026 it is a Saturday, in 2027 a Sunday.

## Events on July 25

- 306 Constantine the Great was proclaimed Roman emperor by his troops after the death of Constantius Chlorus. [Wikipedia](https://en.wikipedia.org/wiki/Constantine_the_Great)
- 1261 Struggle for Constantinople: Alexios Strategopoulos led Nicaean forces to recapture Constantinople, leading to the reestablishment of the Byzantine Empire and the end of the Latin Empire. [Wikipedia](https://en.wikipedia.org/wiki/Alexios_Strategopoulos)
- 1547 Henry II was crowned King of France at Reims Cathedral. [Wikipedia](https://en.wikipedia.org/wiki/Henry_II_of_France)
- 1591 Eighty Years' War: Dutch and English forces relieved the siege of Knodsenburg in the Spanish Netherlands, having defeated the Duke of Parma's army in the field. [Wikipedia](https://en.wikipedia.org/wiki/Siege_of_Knodsenburg)
- 1593 Henry IV of France publicly converts from Protestantism to Roman Catholicism. [Wikipedia](https://en.wikipedia.org/wiki/Henry_IV_of_France)
- 1788 Mozart completed his Symphony No. 40, one of his two extant symphonies in a minor key. [Wikipedia](https://en.wikipedia.org/wiki/Symphony_No._40_(Mozart))
- 1797 Horatio Nelson loses more than 300 men and his right arm during the failed conquest attempt of Tenerife (Spain). [Wikipedia](https://en.wikipedia.org/wiki/Tenerife)
- 1799 Napoleon Bonaparte defeats a numerically superior Ottoman army under Mustafa Pasha at the Battle of Abukir. [Wikipedia](https://en.wikipedia.org/wiki/Battle_of_Abukir_(1799))
- 1893 The Corinth Canal was formally opened, bisecting the narrow Isthmus of Corinth in Greece to connect the Ionian Sea's Gulf of Corinth with the Aegean Sea's Saronic Gulf. [Wikipedia](https://en.wikipedia.org/wiki/Corinth_Canal)
- 1894 The First Sino-Japanese War begins when the Japanese fire upon a Chinese warship. [Wikipedia](https://en.wikipedia.org/wiki/First_Sino-Japanese_War)
- 1898 Spanish–American War: After more than two months of sea-based bombardment, the United States invaded Puerto Rico. [Wikipedia](https://en.wikipedia.org/wiki/Puerto_Rico_campaign)
- 1909 Louis Blériot makes the first flight across the English Channel in a heavier-than-air machine from Calais to Dover, England, United Kingdom in 37 minutes. [Wikipedia](https://en.wikipedia.org/wiki/Louis_Bl%C3%A9riot)
- 1934 The Nazis assassinate Austrian Chancellor Engelbert Dollfuss in a failed coup attempt. [Wikipedia](https://en.wikipedia.org/wiki/Engelbert_Dollfuss)
- 1943 The Grand Council of Fascism voted a motion of no confidence against Benito Mussolini, who was arrested the same day by King Victor Emmanuel III and replaced by Pietro Badoglio. [Wikipedia](https://en.wikipedia.org/wiki/Fall_of_the_Fascist_regime_in_Italy)
- 1946 The Crossroads Baker device is the first underwater nuclear weapon test. [Wikipedia](https://en.wikipedia.org/wiki/Operation_Crossroads)
- 1950 Korean War: After American troops withdrew, North Korean forces captured the village of Yongdong in South Korea. [Wikipedia](https://en.wikipedia.org/wiki/Battle_of_Yongdong)
- 1961 Cold War: In a speech John F. Kennedy emphasizes that any attack on Berlin is an attack on NATO. [Wikipedia](https://en.wikipedia.org/wiki/John_F._Kennedy)
- 1969 Vietnam War: U.S. President Richard Nixon declares the Nixon Doctrine, stating that the United States now expects its Asian allies to take care of their own military defense. This is the start of the "Vietnamization" of the war. [Wikipedia](https://en.wikipedia.org/wiki/Nixon_Doctrine)
- 1976 The orbiting spacecraft Viking 1 took a photograph of an apparent face on Mars in a classic example of pareidolia. [Wikipedia](https://en.wikipedia.org/wiki/Cydonia_(Mars))
- 1978 Birth of Louise Joy Brown, the first human to have been born after conception by in vitro fertilisation, or IVF. [Wikipedia](https://en.wikipedia.org/wiki/In_vitro_fertilisation)
- 1994 Israel and Jordan sign the Washington Declaration, that formally ends the state of war that had existed between the nations since 1948. [Wikipedia](https://en.wikipedia.org/wiki/Israel%E2%80%93Jordan_peace_treaty)
- 2000 Air France Flight 4590 , a Concorde en route from Paris to New York, crashed in Gonesse, France, killing all 109 passengers on board and four people on the ground. [Wikipedia](https://en.wikipedia.org/wiki/Air_France_Flight_4590)
- 2001 Phoolan Devi, a serving Indian member of Parliament, was shot outside her house in New Delhi, India. [Wikipedia](https://en.wikipedia.org/wiki/Phoolan_Devi)
- 2007 Pratibha Patil was sworn in as the first female president of India. [Wikipedia](https://en.wikipedia.org/wiki/Pratibha_Patil)
- 2010 WikiLeaks published 75,000 classified documents about the War in Afghanistan in one of the largest leaks in U.S. military history. [Wikipedia](https://en.wikipedia.org/wiki/Afghan_War_documents_leak)
- 2022 The Duffield Memorial in Great Baddow, an "unusual example of Art Nouveau design in metal work", was designated a listed building by Historic England. [Wikipedia](https://en.wikipedia.org/wiki/Duffield_Memorial)

## Born on July 25

- 1016 Casimir I the Restorer, duke of Poland (died 1058) [Wikipedia](https://en.wikipedia.org/wiki/Casimir_I_the_Restorer)
- 1109 Afonso I, king of Portugal (died 1185) [Wikipedia](https://en.wikipedia.org/wiki/Afonso_I_of_Portugal)
- 1165 Ibn Arabi, Andalusian Sufi mystic, poet, and philosopher (died 1240) [Wikipedia](https://en.wikipedia.org/wiki/Ibn_Arabi)
- 1394 James I, king of Scotland (died 1437) [Wikipedia](https://en.wikipedia.org/wiki/James_I_of_Scotland)
- 1844 Thomas Eakins, American painter, sculptor, and photographer (died 1916) [Wikipedia](https://en.wikipedia.org/wiki/Thomas_Eakins)
- 1848 Arthur Balfour, Scottish-English lieutenant and politician, 33rd Prime Minister of the United Kingdom (died 1930) [Wikipedia](https://en.wikipedia.org/wiki/Arthur_Balfour)
- 1894 Gavrilo Princip, Bosnian Serb revolutionary and assassin of Archduke Franz Ferdinand and his wife (died 1918) [Wikipedia](https://en.wikipedia.org/wiki/Gavrilo_Princip)
- 1894 Walter Brennan, American actor (died 1974) [Wikipedia](https://en.wikipedia.org/wiki/Walter_Brennan)
- 1902 Eric Hoffer, American philosopher and author (died 1983) [Wikipedia](https://en.wikipedia.org/wiki/Eric_Hoffer)
- 1905 Elias Canetti, Bulgarian-Swiss novelist, playwright, and memoirist, Nobel Prize laureate (died 1994) [Wikipedia](https://en.wikipedia.org/wiki/Elias_Canetti)
- 1920 Rosalind Franklin, English biophysicist, chemist, and academic. Contributor to basic research of DNA. (died 1958) [Wikipedia](https://en.wikipedia.org/wiki/Rosalind_Franklin)
- 1922 John B. Goodenough, American materials scientist, physicist, Nobel Prize laureate (died 2023) [Wikipedia](https://en.wikipedia.org/wiki/John_B._Goodenough)
- 1955 Iman, Somali-English model and actress [Wikipedia](https://en.wikipedia.org/wiki/Iman_(model))
- 1956 Frances Arnold, American scientist and engineer (Nobel Prize for Chemistry 2018) [Wikipedia](https://en.wikipedia.org/wiki/Frances_Arnold)
- 1964 Anne Applebaum, American journalist and author [Wikipedia](https://en.wikipedia.org/wiki/Anne_Applebaum)
- 1967 Matt LeBlanc, American actor and producer [Wikipedia](https://en.wikipedia.org/wiki/Matt_LeBlanc)
- 1978 Louise Brown, English woman, first person to be born through in vitro fertilization [Wikipedia](https://en.wikipedia.org/wiki/Louise_Brown)
- 1981 Yūichi Komano, Japanese footballer [Wikipedia](https://en.wikipedia.org/wiki/Y%C5%ABichi_Komano)
- 1982 Brad Renfro, American actor and musician (died 2008) [Wikipedia](https://en.wikipedia.org/wiki/Brad_Renfro)
- 1985 Nelson Piquet Jr., Brazilian race car driver [Wikipedia](https://en.wikipedia.org/wiki/Nelson_Piquet_Jr.)
- 1986 Hulk, Brazilian footballer [Wikipedia](https://en.wikipedia.org/wiki/Hulk_(footballer))
- 1988 Paulinho, Brazilian footballer [Wikipedia](https://en.wikipedia.org/wiki/Paulinho_(footballer%2C_born_July_1988))

## Died on July 25

- 306 Constantius Chlorus, Roman emperor (born 250) [Wikipedia](https://en.wikipedia.org/wiki/Constantius_Chlorus)
- 1471 Thomas à Kempis, German priest and mystic [Wikipedia](https://en.wikipedia.org/wiki/Thomas_%C3%A0_Kempis)
- 1492 Innocent VIII, pope of the Catholic Church (born 1432) [Wikipedia](https://en.wikipedia.org/wiki/Pope_Innocent_VIII)
- 1564 Ferdinand I, Holy Roman Emperor (born 1503) [Wikipedia](https://en.wikipedia.org/wiki/Ferdinand_I%2C_Holy_Roman_Emperor)
- 1794 André Chénier, Greek-French poet and author (born 1762) [Wikipedia](https://en.wikipedia.org/wiki/Andr%C3%A9_Ch%C3%A9nier)
- 1834 Samuel Taylor Coleridge, English philosopher, poet, and critic (born 1772) [Wikipedia](https://en.wikipedia.org/wiki/Samuel_Taylor_Coleridge)
- 1934 Nestor Makhno, Ukrainian anarchist revolutionary (born 1888) [Wikipedia](https://en.wikipedia.org/wiki/Nestor_Makhno)
- 1934 Engelbert Dollfuss, Austrian politician, 14th Chancellor of Austria (born 1892) [Wikipedia](https://en.wikipedia.org/wiki/Engelbert_Dollfuss)
- 1980 Vladimir Vysotsky, Russian singer-songwriter, guitarist, and actor (born 1938) [Wikipedia](https://en.wikipedia.org/wiki/Vladimir_Vysotsky)
- 1986 Vincente Minnelli, American director and screenwriter (born 1903) [Wikipedia](https://en.wikipedia.org/wiki/Vincente_Minnelli)
- 1991 Lazar Kaganovich, Soviet politician (born 1893) [Wikipedia](https://en.wikipedia.org/wiki/Lazar_Kaganovich)
- 2003 John Schlesinger, English actor, director, producer, and screenwriter (born 1926) [Wikipedia](https://en.wikipedia.org/wiki/John_Schlesinger)
- 2019 Beji Caid Essebsi, 4th President and 9th Prime Minister of Tunisia (born 1926) [Wikipedia](https://en.wikipedia.org/wiki/Beji_Caid_Essebsi)
- 2022 David Trimble, Northern Irish statesman and politician (born 1944) [Wikipedia](https://en.wikipedia.org/wiki/David_Trimble)

## Holidays and observances

- Christian feast day: Anne (Eastern Christianity) [Wikipedia](https://en.wikipedia.org/wiki/Saint_Anne)
- Christian feast day: Carmen Salles y Barangueras [Wikipedia](https://en.wikipedia.org/wiki/Carmen_Salles_y_Barangueras)
- Christian feast day: Christopher (Western Christianity) [Wikipedia](https://en.wikipedia.org/wiki/Saint_Christopher)
- Christian feast day: Cucuphas [Wikipedia](https://en.wikipedia.org/wiki/Cucuphas)
- Christian feast day: Glodesind [Wikipedia](https://en.wikipedia.org/wiki/Glodesind)
- Christian feast day: James the Great (Western Christianity) [Wikipedia](https://en.wikipedia.org/wiki/James_the_Great)
- Christian feast day: John I Agnus [Wikipedia](https://en.wikipedia.org/wiki/Saint_John_I_Agnus)
- Christian feast day: Julian of Le Mans (translation) [Wikipedia](https://en.wikipedia.org/wiki/Julian_of_Le_Mans)
- Christian feast day: Magnerich of Trier [Wikipedia](https://en.wikipedia.org/wiki/Magneric_of_Trier)
- Christian feast day: Olympias the Deaconess [Wikipedia](https://en.wikipedia.org/wiki/Olympias_the_Deaconess)
- Christian feast day: Rodolfo Acquaviva [Wikipedia](https://en.wikipedia.org/wiki/Rodolfo_Acquaviva)
- Christian feast day: July 25 (Eastern Orthodox liturgics) [Wikipedia](https://en.wikipedia.org/wiki/July_25_(Eastern_Orthodox_liturgics))
- Guanacaste Day (Costa Rica) [Wikipedia](https://en.wikipedia.org/wiki/Guanacaste_Day)
- National Baha'i Day (Jamaica) [Wikipedia](https://en.wikipedia.org/wiki/Bah%C3%A1%CA%BC%C3%AD_Faith_in_Jamaica)
- National Day of Galicia (Galicia, Spain) [Wikipedia](https://en.wikipedia.org/wiki/Galicia_(Spain))
- Puerto Rico Constitution Day (Puerto Rico) [Wikipedia](https://en.wikipedia.org/wiki/Puerto_Rico_Constitution_Day)
- International Afro-descendant Women's Day [Wikipedia](https://en.wikipedia.org/wiki/International_Afro-descendant_Women's_Day)
- Tenjin Matsuri (Osaka, Japan) [Wikipedia](https://en.wikipedia.org/wiki/Tenjin_Matsuri)

## Sources

- [Wikipedia — “July 25”](https://en.wikipedia.org/wiki/July_25) — events, births, deaths and observances (text under CC BY-SA 4.0) (checked 2026-10-15)
- [Wikipedia — “Selected anniversaries/July 25”](https://en.wikipedia.org/wiki/Wikipedia:Selected_anniversaries/July_25) — the anniversaries editors chose for the date and the article each one is about (checked 2026-10-15)
- [Wikidata](https://www.wikidata.org/) — in how many language editions each entry's own article exists, used to fill the lists (CC0) (checked 2026-10-15)
- [vacanza/holidays (open-source holiday rules, MIT licence)](https://github.com/vacanza/holidays) — holiday rules used to build the lists (checked 2026-10-15)

The events, births, deaths and observances above are from the English Wikipedia article [“July 25”](https://en.wikipedia.org/wiki/July_25) and the articles it links to ([authors and history](https://en.wikipedia.org/wiki/July_25?action=history)), retrieved 2026-10-15 through the Wikimedia “On this day” feed. They are licensed under [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/); this selection is shared under the same licence. Every anniversary that Wikipedia's editors selected for July 25 stays on the list; the remaining places, up to 26 events, 22 births and 14 deaths, go to the entries whose own article — about the event itself, or else the person or thing it is about — appears in the most language editions (counted from Wikidata); an article about a person or thing, which covers far more than one day, counts half. An entry with no article of its own counts, also at half, by the least covered article it links, and one that links only places counts for nothing. Each list runs by year, and the wording is unchanged apart from removing references to pictures, audio and video.

## July 25 in the calendar

| Year | Weekday | ISO week | Moon (UTC) |
| --- | --- | --- | --- |
| 2026 | Saturday | 2026-W30 | 🌔 Waxing Gibbous |
| 2027 | Sunday | 2027-W29 | 🌖 Waning Gibbous |
| 2028 | Tuesday | 2028-W30 | 🌒 Waxing Crescent |
| 2029 | Wednesday | 2029-W30 | 🌕 Full Moon |
| 2030 | Thursday | 2030-W30 | 🌘 Waning Crescent |

Moon phases are for the day in UTC; at the edges of a phase your local date can differ.

## Public holidays on July 25

None of the 28 countries we track has a public holiday on July 25 in 2026 or 2027.

[Today's holidays in 28 countries →](https://whathappen.today/holidays/)

## Nearby dates

[← July 24](https://whathappen.today/on-this-day/july-24/) · [July 26 →](https://whathappen.today/on-this-day/july-26/)

[All 366 days](https://whathappen.today/on-this-day/)

Last updated: 15 October 2026

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Web page: https://whathappen.today/on-this-day/july-25/