July 23 in History

59 events 811 – 2018

July 23 spans 59 recorded events across recorded history — from 811 – 2018. Below is a curated digest of the most significant moments tied to this date.

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NASA announces discovery of Kepler-452b by the Kepler space telescope.

2015 — NASA announces discovery of Kepler-452b by the Kepler space telescope

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The Kepler space telescope was launched by NASA in 2009 to discover Earth-sized planets orbiting other stars.

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The spacecraft was named after astronomer Johannes Kepler, a key figure in the 17th-century scientific revolution.

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William J. Borucki was the principal investigator of the Kepler space telescope mission.

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The telescope operated for nine and a half years before its reaction control system fuel was depleted.

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NASA announced the retirement of the Kepler space telescope on October 30, 2018.


Byzantine emperor Nikephoros I plunders the Bulgarian capital of Pliska and captures Khan Krum's treasury.
Continuation of the Roman Empire (330–1453)
The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived the events that caused the fall of the Western Roman Empire in the 5th century AD, it endured until the fall of Constantinople to the Ottoman Empire in 1453. The term 'Byzantine Empire' was coined only after its demise; its citizens used the term 'Roman Empire' and called themselves 'Romans'.
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811
A Knights Hospitaller fleet scores a crushing victory over an Aydinid fleet off Chios.
Catholic military order
The Order of Knights of the Hospital of Saint John of Jerusalem, commonly known as the Knights Hospitaller, is a Catholic military order. It was founded in the crusader Kingdom of Jerusalem in the 12th century and had its headquarters there, in Jerusalem and Acre, until 1291, thereafter being based in Kolossi Castle in Cyprus (1302–1310), the island of Rhodes (1310–1522), Malta (1530–1798), and Saint Petersburg (1799–1801).
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1319
Three hundred colonists bound for New France depart from Dieppe, France.
Area colonized by France in North America
New France was the territory colonized by France in North America, beginning with the exploration of the Gulf of Saint Lawrence by Jacques Cartier in 1534 and ending with the cession of New France to Great Britain and Spain in 1763 under the Treaty of Paris.
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1632
Scanian War: Denmark–Norway captures the harbor town of Marstrand from Sweden.
1675–79 war between Sweden and Denmark–Norway
The Scanian War was a part of the Northern Wars involving the union of Denmark–Norway, Brandenburg and Sweden. It was fought from 1675 to 1679 mainly on Scanian soil, in the former Danish–Norwegian provinces along the border with Sweden, and in Northern Germany. While the latter battles are regarded as a theater of the Scanian war in English, Danish, Norwegian and Swedish historiography, they are seen as a separate war in German historiography, called the Swedish-Brandenburgian War.
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1677
Kingdom of Prussia re-conquers Mainz from France.
German state (1701–1918)
The Kingdom of Prussia was a German state that existed from 1701 to 1918. It played a significant role in the unification of Germany in 1871 and was a major constituent of the German Empire until its dissolution in 1918. Although it took its name from the region called Prussia, it was based in the Margraviate of Brandenburg. Its capital was Berlin.
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1793
Sir Thomas Maitland is appointed as the first Governor of Malta, transforming the island from a British protectorate to a de facto colony.
British Army officer, politician and colonial administrator (1760–1824)
Lieutenant-General Sir Thomas Maitland was a British Army officer, politician and colonial administrator. He also served as a Member of Parliament for Haddington from 1790 to 1796, 1802–06 and 1812–13. He was made a Privy Councillor on 23 November 1803. He was the second surviving son of James Maitland, 7th Earl of Lauderdale, and the younger brother of James Maitland, 8th Earl of Lauderdale. Maitland never married.
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1813
While the Mora Rebellion continues, Greeks capture Monemvasia Castle.
Turkish troops and citizens are transferred to Asia Minor's coasts.
The Greek War of Independence, also known as the Greek Revolution or the Greek Revolution of 1821, was a successful war of independence fought by Greek revolutionaries against the Ottoman Empire from 1821 to 1829. In 1826, the Greeks were assisted by the British Empire, the Kingdom of France, and the Russian Empire, while the Ottomans were aided by their vassals, especially by the Eyalet of Egypt. The war led to the formation of modern Greece, which in subsequent years would be expanded to its current size. The revolution is commemorated by Greeks around the world as independence day on 25 March.
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1821
In the United States, William Austin Burt patents the typographer, a precursor to the typewriter.
American politician (1792–1858)
William Austin Burt was an American inventor, legislator, surveyor, and millwright.
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1829
The Province of Canada is created by the Act of Union.
British possession in North America, 1841–1867
The Province of Canada was a British colony in British North America from 1841 to 1867. Its formation reflected recommendations made by John Lambton, 1st Earl of Durham, in the Report on the Affairs of British North America following the Rebellions of 1837–1838.
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1840
American Civil War: Henry Halleck becomes general-in-chief of the Union Army.
1861–1865 conflict in the United States
The American Civil War was a civil war in the United States between the Union and the Confederacy, which was formed in 1861 by states that had seceded from the Union to preserve slavery in the United States, which they saw as threatened because of the election of Abraham Lincoln and the growing abolitionist movement in the North. The war lasted a little over four years, ending with Union victory, the dissolution of the Confederacy and the abolition of slavery, freeing four million African Americans.
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1862
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Born on July 23

20 people 1986 – 2003
Alex Consani
Model and Influencer
Alex Monette Consani is an American model and influencer. She started modeling in 2015 and became the world's youngest transgender model at the time at age 12. After signing with IMG Models in 2019, Consani started…
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2003
Séléna Janicijevic
Séléna Janicijevic
French tennis player
Séléna Janicijevic is a French tennis player of Serbian origin.
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2002
Lily Phillips
Lily Phillips
British pornographic actress
Lillian Daisy Phillips is an English pornographic film actress. In late 2024, she uploaded a video to OnlyFans in which she had sex with 101 men, which attracted widespread attention after YouTuber Josh Pieters…
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2001
Deandre Ayton
Deandre Ayton
Bahamian basketball player
Deandre Edoneille Ayton, also known as "DominAyton", is a Bahamian professional basketball player for the Los Angeles Lakers of the National Basketball Association (NBA). A consensus five-star prospect in the Class of…
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1998
Alexandra Andresen
Norwegian heiress and equestrian
Alexandra Gamlemshaug Andresen is a Norwegian heiress and equestrian. She became the world's youngest billionaire at age 19 in 2016 and held the position of youngest billionaire on the Forbes list for three consecutive…
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1996
David Dobrik
David Dobrik
Slovak YouTube personality
Dávid Julián Dobrík is a Slovak and American Internet personality, YouTuber, streamer and vlogger. He amassed a million followers on the video-sharing platform Vine before starting his vlog on YouTube in 2015.
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1996
Kasperi Kapanen
Kasperi Kapanen
Finnish ice hockey player
Samu Kasperi Kapanen is a Finnish professional ice hockey player who is a right winger for the Edmonton Oilers of the National Hockey League (NHL). He made his Liiga debut playing with KalPa during the 2012–13 SM-liiga…
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1996
Danny Ings
Danny Ings
English footballer
Daniel William John Ings is an English professional footballer who plays as a striker for EFL Championship club Sheffield United.
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1992
Lauren Mitchell
Lauren Mitchell
Australian gymnast
Lauren Stephanie Mitchell is an Australian former artistic gymnast. She is the 2010 World champion on the floor exercise and the 2009 World Championships silver medalist on the balance beam and floor exercise. Mitchell…
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1991
Jarrod Wallace
Jarrod Wallace
Australian rugby league footballer
Jarrod Wallace is an Australian professional former rugby league footballer who last played as a prop for the Catalans Dragons in the English Super League.
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1991
Kevin Reynolds
Kevin Reynolds
Canadian figure skater
Kevin Reynolds is a retired Canadian figure skater. He is the 2013 Four Continents champion, 2010 Four Continents bronze medallist, 2014 Winter Olympics team silver medallist and a six-time Canadian national medallist.…
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1990
Daniel Radcliffe
Daniel Radcliffe
English actor
Daniel Jacob Radcliffe is an English actor, best known for portraying the title character in all eight films of the Harry Potter film series from 2001 to 2011.
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1989
Donald Young
Donald Young
American tennis player
Donald Oliver Young Jr. is an American professional pickleball player with the American PPA Tour and Major League Pickleball, and also a former professional tennis player. Young had a tennis career-high ATP singles…
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1989
Harris English
Harris English
American professional golfer
Harris English is an American professional golfer and currently a member of the PGA Tour.
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1989
Alessio Cerci
Alessio Cerci
Italian footballer
Alessio Cerci is an Italian former professional footballer who played as a winger.
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1987
Felipe Dylon
Brazilian singer
Felipe Dylon is a Brazilian pop singer. His debut self-titled album was certified gold by ABPD and contained the song "Musa do Verão", an early 2000s hit in Brazil.
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1987
Serdar Kurtuluş
Serdar Kurtuluş
Turkish footballer
Serdar Kurtuluş is a Turkish former footballer who played as a right back.
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1987
Julien Ribaudo
Belgian politician
Julien Ribaudo is a Belgian politician and member of the Chamber of Representatives. A member of the Workers' Party of Belgium, he has represented Brussels since June 2024.
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1987
Aya Uchida
Aya Uchida
Japanese voice actress and singer
Aya Uchida is a Japanese voice actress and singer. She played Kotori Minami in Love Live! School Idol Project, Kaban in Kemono Friends and Hina Yayoi in Waccha PriMagi!. She released the single "Sign/Candy Flavor", the…
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1986
Nelson Philippe
Nelson Philippe
French race car driver
Nelson Philippe is a French former professional racing driver.
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1986
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Died on July 23

20 people 2012 – 2024
Robin Warren
Robin Warren
Australian pathologist and academic, Nobel Prize laureate (born 1937)
John Robin Warren was an Australian pathologist, Nobel laureate, and researcher who is credited with the 1979 re-discovery of the bacterium Helicobacter pylori, together with Barry Marshall. The duo proved to the…
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2024
Zayar Thaw
Zayar Thaw
Burmese politician and rapper (born 1981)
Phyo Zeya Thaw (Burmese: ဖြိုးဇေယျာသော်; pronounced [pʰjò zèjà θɔ̀], also referred to as Zeya Thaw was a Burmese politician and hip hop recording artist who was unfairly detained and executed due to the perceived…
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2022
Kyaw Min Yu
Kyaw Min Yu
Burmese political activist (born 1969)
Kyaw Min Yu was a Burmese writer, political prisoner, and a member of the 88 Generation Students Group. He was executed in July 2022 after being sentenced to death for activism against the junta that seized power in a…
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2022
John Kundla
John Kundla
American basketball coach (born 1916)
John Albert Kundla was an American college and professional basketball coach. He was the first head coach for the Minneapolis Lakers of the National Basketball Association (NBA) and its predecessors, the Basketball…
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2017
Shigeko Kubota
Shigeko Kubota
Japanese-American sculptor and director (born 1937)
Shigeko Kubota was a Japanese video artist, sculptor and avant-garde performance artist, who mostly lived in New York City. She was one of the first artists to adopt the portable video camera Sony Portapak in 1970,…
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2015
Don Oberdorfer
Don Oberdorfer
American journalist, author, and academic (born 1931)
Donald Oberdorfer Jr. was an American professor at the Paul H. Nitze School of Advanced International Studies (SAIS) at Johns Hopkins University with a specialty in Korea, and was a journalist for 38 years, 25 of them…
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2015
William Wakefield Baum
William Wakefield Baum
American cardinal (born 1926)
William Wakefield Baum was an American Catholic prelate who served as bishop of Springfield-Cape Girardeau in Missouri and archbishop of Washington in the District of Columbia. He then served in the Roman Curia as…
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2015
Dora Bryan
Dora Bryan
English actress and restaurateur (born 1923)
Dora May Broadbent, known as Dora Bryan, was an English actress of stage, film and television. She won the BAFTA Award for Best British Actress for A Taste of Honey (1961) and the Laurence Olivier Award for Best Actress…
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2014
Norman Leyden
Norman Leyden
American composer and conductor (born 1917)
Norman Fowler Leyden was an American conductor, composer, arranger, and clarinetist. He worked in film and television and is perhaps best known as the conductor of the Oregon Symphony Pops orchestra. He co-wrote with…
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2014
Ariano Suassuna
Ariano Suassuna
Brazilian author and playwright (born 1927)
Ariano Vilar Suassuna was a Brazilian playwright and author. He was the driving force behind the creation of the Movimento Armorial. He founded the Student Theater at Federal University of Pernambuco. Four of his plays…
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2014
Jordan Tabor
English footballer (born 1990)
Jordan Benjamin Tabor was an English footballer who primarily played as a left back, but also played as a central midfielder or as a striker in the latter part of his career.
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2014
Rona Anderson
Rona Anderson
Scottish actress (born 1926)
Rona Anderson was a Scottish stage, film, and television actress. She appeared in TV series and on the stage and films throughout the 1950s. She appeared in the films Scrooge and The Prime of Miss Jean Brodie and on TV…
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2013
Pauline Clarke
English author (born 1921)
Pauline Clarke was an English author who wrote for younger children under the name Helen Clare, for older children as Pauline Clarke, and later for adults under her married name Pauline Hunter Blair. Her best-known work…
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2013
Arthur J. Collingsworth
Arthur J. Collingsworth
American diplomat (born 1944)
Arthur J. Collingsworth was an American United Nations official, international student exchange executive, consultant on international fund raising and real estate investor. He lived in the United States, Japan, United…
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2013
Dominguinhos
Dominguinhos
Brazilian singer-songwriter and accordion player (born 1941)
José Domingos de Morais, better known as Dominguinhos, was a Brazilian composer, accordionist and singer. His principal musical influences were the music of Luiz Gonzaga, Forró and in general the music of the Sertão in…
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2013
Emile Griffith
Emile Griffith
American boxer and trainer (born 1938)
Emile Alphonse Griffith was an American professional boxer who won world titles in three weight divisions. He held the world light middleweight, undisputed welterweight, and middleweight titles. His best-known contest…
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2013
Kim Jong-hak
South Korean director and producer (born 1951)
Kim Jong-hak was a South Korean television director and producer, best known for the seminal and highly rated Korean dramas Eyes of Dawn (1991) and Sandglass (1995). After financial losses incurred by the big-budget…
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2013
Djalma Santos
Djalma Santos
Brazilian footballer (born 1929)
Djalma Pereira Dias dos Santos, known simply as Djalma Santos was a Brazilian footballer who starred for the Brazil national team in four World Cups and winning the 1958 and 1962 editions. Santos is considered to be one…
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2013
Margaret Mahy
Margaret Mahy
New Zealand author (born 1936)
Margaret Mahy was a New Zealand author of children's and young adult books. Many of her story plots have strong supernatural elements but her writing concentrates on the themes of human relationships and growing up. She…
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2012
Sally Ride
Sally Ride
American physicist and astronaut (born 1951)
Sally Kristen Ride was an American astronaut and physicist. Born in Los Angeles, she joined NASA in 1978, and in 1983 became the first American woman and the third woman to fly in space, after cosmonauts Valentina…
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2012
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Related questions

More questions about July 23

What happened on July 23?

A featured event on this date is 2015: NASA announces discovery of Kepler-452b by the Kepler space telescope. This page also lists 59 events from other years on the same day.

Why is July 23 remembered in history?

July 23 brings together events, births, and deaths across many eras, which makes it useful for seeing how one calendar date connects different historical turning points.

Who was born on July 23?

Notable birthdays on this date include Alex Consani, Séléna Janicijevic, Lily Phillips.

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Who died on July 23?

Notable deaths on this date include Robin Warren, Zayar Thaw, Kyaw Min Yu.

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Short answer

What happened on July 23 in history?

On July 23, one notable event in history was 2015: NASA announces discovery of Kepler-452b by the Kepler space telescope..

This date currently highlights 59 recorded events on thisDay.info, spanning 811 – 2018.

DateJuly 23
Featured year2015
LocationHistorical Location
Events listed59

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