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On This Day In

@chroniclebot.bsky.social

I'm just a bot obsessively reposting events that happened on this day in history. Project by @delesslin.bsky.social Powered by the Wikimedia API No AI, just code

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South Vietnam South Vietnam, officially the Republic of Vietnam, was a country in Southeast Asia that existed from 1955 to 1975. It first garnered international recognition in 1949 as the associated State of Vietnam within the French Union, with its capital at Saigon. Since 1950, it was a member of the Western Bloc during the Cold War. Following the 1954 partition of Vietnam, it became known as South Vietnam and was established as a republic in 1955. Its sovereignty was recognized by the United States and 87 other nations, though it failed to gain admission into the United Nations as a result of a Soviet veto in 1957. It was succeeded by the Republic of South Vietnam in 1975. In 1976, the Republic of South Vietnam and North Vietnam merged to form the Socialist Republic of Vietnam.

South Vietnam, officially the Republic of Vietnam, was a country in Southeast Asia that existed from 1955 to 1975. It first garnered international recognition in 1949 as the associated State of Vietnam within the French Union, with its capital at Saigon. Since 1950, it was a member of the...

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Binh Thuy Air Base Binh Thuy Air Base was a United States Air Force (USAF), United States Navy, Republic of Vietnam Air Force (RVNAF) and Vietnam People's Air Force (VPAF) (Khong Quan Nhan Dan Viet Nam) military airfield used during the Vietnam War. It is located 7Β km northwest of CαΊ§n ThΖ‘ in the Mekong Delta.

Binh Thuy Air Base was a United States Air Force (USAF), United States Navy, Republic of Vietnam Air Force (RVNAF) and Vietnam People's Air Force (VPAF) (Khong Quan Nhan Dan Viet Nam) military airfield used during the Vietnam War. It is located 7Β km northwest of CαΊ§n ThΖ‘ in the Mekong Delta.

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June Thorburn Patricia June Thorburn-Smith was a popular English actress whose career was cut short by her death in an air crash.

Patricia June Thorburn-Smith was a popular English actress whose career was cut short by her death in an air crash.

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Vietnam War The Vietnam War was an armed conflict in Vietnam, Laos, and Cambodia fought between North Vietnam and South Vietnam and their allies. North Vietnam was supported by the Soviet Union and China, while South Vietnam was supported by the United States and other anti-communist nations. The conflict was the second of the Indochina wars and a proxy war of the Cold War between the Soviet Union and US. The Vietnam War was one of the postcolonial wars of national liberation, a theater in the Cold War, and a civil war, with civil warfare a defining feature from the outset. Direct US military involvement escalated from 1965 until its withdrawal in 1973. The fighting spilled into the Laotian and Cambodian Civil Wars, which ended with all three countries becoming communist in 1975.

1970

Vietnam War: The United States turns over control of the air base at Bình Thủy in the Mekong Delta to South Vietnam.

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Blackdown, West Sussex Blackdown, or Black Down, summit elevation 279.7 metres (918Β ft) AMSL, is the highest point in both the historic county of Sussex and the South Downs National Park. It is one of the highest points in the south east of England, exceeded by Walbury Hill, Leith Hill and Pilot Hill. Blackdown is protected as part of the South Downs National Park.

Blackdown, or Black Down, summit elevation 279.7 metres (918Β ft) AMSL, is the highest point in both the historic county of Sussex and the South Downs National Park. It is one of the highest points in the south east of England, exceeded by Walbury Hill, Leith Hill and Pilot Hill. Blackdown is...

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Iberia Flight 062 Iberia Flight 062 was a twin-engined Sud Aviation Caravelle registered EC-BDD operating a scheduled flight from MΓ‘laga Airport, Spain, to London Heathrow Airport. While on approach to Heathrow on 4 November 1967, the Caravelle descended far below the flight level assigned to it and flew into the southern slope of Blackdown Hill in West Sussex, killing all 37 on board.

1967

Iberia Flight 062 crashes in Blackdown, West Sussex, killing all 37 people on board including British actress June Thorburn.

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Acqua alta An acqua alta is an exceptional tide peak that occurs periodically in the northern Adriatic Sea. The term is applied to such tides in the Italian region of Veneto. The peaks reach their maximum in the Venetian Lagoon, where they cause partial flooding of Venice and Chioggia; flooding also occurs elsewhere around the northern Adriatic, for instance at Grado and Trieste, but much less often and to a lesser degree.

An acqua alta is an exceptional tide peak that occurs periodically in the northern Adriatic Sea. The term is applied to such tides in the Italian region of Veneto. The peaks reach their maximum in the Venetian Lagoon, where they cause partial flooding of Venice and Chioggia; flooding also occurs...

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1966 Venice flood The 1966 Venice flood was an unprecedented high water, known in Venice as an "acqua alta", with waters reaching up to 194Β cm.

The 1966 Venice flood was an unprecedented high water, known in Venice as an "acqua alta", with waters reaching up to 194Β cm.

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Florence Florence is the capital city of the Italian region of Tuscany. It is also the most populated city in Tuscany, with 362,353 inhabitants, and 989,460 in its metropolitan province as of 2025.

Florence is the capital city of the Italian region of Tuscany. It is also the most populated city in Tuscany, with 362,353 inhabitants, and 989,460 in its metropolitan province as of 2025.

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1966 flood of the Arno The 1966 flood of the Arno in Florence killed 35 people and damaged or destroyed millions of masterpieces of art and rare books. It is considered the worst flood in the city's history since 1557. With the combined effort of Italian and foreign volunteers alike, or angeli del fango, many of these fine works have been restored. New methods in conservation were devised and restoration laboratories established. However, even decades later, much work remains to be done.


The 1966 flood of the Arno in Florence killed 35 people and damaged or destroyed millions of masterpieces of art and rare books. It is considered the worst flood in the city's history since 1557. With the combined effort of Italian and foreign volunteers alike, or angeli del fango, many of...

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Arno The Arno is a river in the Tuscany region of Italy. It is the most important river of central Italy after the Tiber.

1966

The Arno River floods Florence, Italy, to a maximum depth of 6.7Β m (22Β ft), leaving thousands homeless and destroying millions of masterpieces of art and rare books. Venice is also submerged on the same day at its record all-time acqua alta of 194Β cm (76Β in).

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Partial Nuclear Test Ban Treaty The Partial Test Ban Treaty (PTBT), formally known as the 1963 Treaty Banning Nuclear Weapon Tests in the Atmosphere, in Outer Space and Under Water, prohibited all test detonations of nuclear weapons except for those conducted underground. It is also abbreviated as the Limited Test Ban Treaty (LTBT) and Nuclear Test Ban Treaty (NTBT), though the latter may also refer to the Comprehensive Nuclear-Test-Ban Treaty (CTBT), which succeeded the PTBT for ratifying parties.

The Partial Test Ban Treaty (PTBT), formally known as the 1963 Treaty Banning Nuclear Weapon Tests in the Atmosphere, in Outer Space and Under Water, prohibited all test detonations of nuclear weapons except for those conducted underground. It is also abbreviated as the Limited Test Ban Treaty...

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Nuclear weapons testing Nuclear weapons tests are experiments carried out to determine the performance of nuclear weapons and the effects of their explosion. Over 2,000 nuclear weapons tests have been carried out since 1945. Nuclear testing is a sensitive political issue. Governments have often performed tests to signal strength. Because of their destruction and fallout, testing has seen opposition by civilians as well as governments, with international bans having been agreed on. Thousands of tests have been performed, with most in the second half of the 20th century.

Nuclear weapons tests are experiments carried out to determine the performance of nuclear weapons and the effects of their explosion. Over 2,000 nuclear weapons tests have been carried out since 1945. Nuclear testing is a sensitive political issue. Governments have often performed tests to...

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Operation Fishbowl Operation Fishbowl was a series of high-altitude nuclear tests in 1962 that were carried out by the United States as a part of the larger Operation Dominic nuclear test program.

1962

The United States concludes Operation Fishbowl, its final above-ground nuclear weapons testing series, in anticipation of the 1963 Partial Nuclear Test Ban Treaty.

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Eastern chimpanzee The eastern chimpanzee is a subspecies of the common chimpanzee. It is native to the Central African Republic, South Sudan, the Democratic Republic of the Congo, Uganda, Rwanda, Burundi, and Tanzania.

The eastern chimpanzee is a subspecies of the common chimpanzee. It is native to the Central African Republic, South Sudan, the Democratic Republic of the Congo, Uganda, Rwanda, Burundi, and Tanzania.

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Jane Goodall Dame Valerie Jane Morris Goodall was an English primatologist and anthropologist. Regarded as a pioneer in primate ethology, and described by many publications as "the world's preeminent chimpanzee expert", she was best known for more than six decades of field research on the social and family life of wild chimpanzees in the Kasakela chimpanzee community at Gombe Stream National Park in Tanzania. Beginning in 1960, under the mentorship of the palaeontologist Louis Leakey, Goodall's research demonstrated that chimpanzees share many key traits with humans, such as using tools, having complex emotions, forming lasting social bonds, engaging in organised warfare, and passing on knowledge across generations, which redefined the traditional view that humans are uniquely different from other animals.

Dame Valerie Jane Morris Goodall was an English primatologist and anthropologist. Regarded as a pioneer in primate ethology, and described by many publications as "the world's preeminent chimpanzee expert", she was best known for more than six decades of field research on the social and family...

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October 23 October 23 is the 296th day of the year in the Gregorian calendar; 69 days remain until the end of the year.

October 23 is the 296th day of the year in the Gregorian calendar; 69 days remain until the end of the year.

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Hungarian Revolution of 1956 The Hungarian Revolution of 1956, also known as the Hungarian Uprising, was an attempted countrywide revolution against the government of the Hungarian People's Republic (1949–1989) and the policies caused by the government's subordination to the Soviet Union (USSR). The uprising lasted 15 days before being crushed by Soviet tanks and troops on 7 November 1956. Thousands were killed or wounded, and nearly a quarter of a million Hungarians fled the country.

The Hungarian Revolution of 1956, also known as the Hungarian Uprising, was an attempted countrywide revolution against the government of the Hungarian People's Republic (1949–1989) and the policies caused by the government's subordination to the Soviet Union (USSR). The uprising lasted 15 days...

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Kasakela chimpanzee community The Kasekela chimpanzee community is a habituated community of wild eastern chimpanzees that lives in Gombe National Park near Lake Tanganyika in Tanzania. The community was the subject of Jane Goodall's pioneering study that began in 1960, and studies have continued ever since, becoming the longest continuous study of any animals in their natural habitat. As a result, the community has been instrumental in the study of chimpanzees and has been popularized in several books and documentaries. The community's popularity was enhanced by Goodall's practice of giving names to the chimpanzees she was observing, in contrast to the typical scientific practice of identifying the subjects by number. Goodall generally used a naming convention in which infants were given names starting with the same letter as their mother, allowing the recognition of matrilineal lines.

1960

At the Kasakela Chimpanzee Community in Tanzania, Jane Goodall observes chimpanzees creating tools, the first-ever observation in non-human animals.

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Hungarian People's Republic The Hungarian People's Republic (HPR) was a landlocked country in Central Europe from its formation on 20 August 1949 until the establishment of the current Republic of Hungary on 23 October 1989. It was a professed communist state, governed first by the Hungarian Working People's Party and after the Hungarian Revolution of 1956, the Hungarian Socialist Workers' Party. Both governments were closely tied to the Soviet Union as part of the Eastern Bloc.

The Hungarian People's Republic (HPR) was a landlocked country in Central Europe from its formation on 20 August 1949 until the establishment of the current Republic of Hungary on 23 October 1989. It was a professed communist state, governed first by the Hungarian Working People's Party and...

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Soviet Union The Union of Soviet Socialist Republics (USSR), commonly known as the Soviet Union, was a transcontinental country that spanned much of Eurasia from 1922 until it dissolved in 1991. During its existence, it was the largest country by area, extending across eleven time zones and sharing borders with twelve countries, and the third-most populous country. An overall successor to the Russian Empire, it was nominally organized as a federal union of national republics, the largest and most populous of which was the Russian SFSR. In practice, its government and economy were highly centralized. As a one-party state governed by the Communist Party of the Soviet Union (CPSU), it was the flagship communist state. Its capital and largest city was Moscow.

1956

Soviet troops enter Hungary to end the Hungarian revolution against the Soviet Union that started on October 23. Thousands are killed, more are wounded, and nearly a quarter million leave the country.

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National Security Agency The National Security Agency (NSA) is an intelligence agency of the United States Department of Defense, under the authority of the director of national intelligence (DNI). The NSA is responsible for global monitoring, collection, and processing of information and data for global intelligence and counterintelligence purposes, specializing in a discipline known as signals intelligence (SIGINT). The NSA is also tasked with the protection of U.S. communications networks and information systems. The NSA relies on a variety of measures to accomplish its mission, the majority of which are clandestine. The NSA has roughly 32,000 employees.

The National Security Agency (NSA) is an intelligence agency of the United States Department of Defense, under the authority of the director of national intelligence (DNI). The NSA is responsible for global monitoring, collection, and processing of information and data for global intelligence...

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Federal government of the United States The federal government of the United States is the national government of the United States.

1952

The United States government establishes the National Security Agency, or NSA.

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UNESCO The United Nations Educational, Scientific and Cultural Organization is a specialized agency of the United Nations (UN) with the aim of promoting world peace and security through international cooperation in education, arts, sciences and culture. It has 194 member states and 12 associate members, as well as partners in the non-governmental, intergovernmental and private sector. Headquartered in Paris, France, UNESCO has 53 regional field offices and 199 national commissions.

1946

UNESCO constitution comes into force: UNESCO’s constitution entered into force, creating a UN agency devoted to education, science and culture and promoting international collaboration.

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Netherlands The Netherlands is a country in Northwestern Europe, with overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Netherlands. The Netherlands consists of twelve provinces; it borders Germany to the east and Belgium to the south, with a North Sea coastline to the north and west. It shares maritime borders with the United Kingdom, Germany, and Belgium. The official language is Dutch, with West Frisian as a secondary official language in the province of Friesland. Dutch, English, and Papiamento are official in the Caribbean territories. People from the Netherlands are referred to as Dutch.

The Netherlands is a country in Northwestern Europe, with overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Netherlands. The Netherlands consists of twelve provinces; it borders Germany to the east and Belgium to the south, with a...

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North Brabant North Brabant, also unofficially called Brabant or Dutch Brabant, is a province in the south of the Netherlands. It borders the provinces of South Holland and Gelderland to the north, Limburg to the east, Zeeland to the west, and Belgium's provinces of Antwerp and Limburg to the south. The northern border follows the Meuse westward to its mouth in the Hollands Diep strait, part of the Rhine–Meuse–Scheldt delta.

North Brabant, also unofficially called Brabant or Dutch Brabant, is a province in the south of the Netherlands. It borders the provinces of South Holland and Gelderland to the north, Limburg to the east, Zeeland to the west, and Belgium's provinces of Antwerp and Limburg to the south. The...

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Operation Pheasant Operation Pheasant, also known as the Liberation of North Brabant, was a major operation to clear German troops from the province of North Brabant in the Netherlands during the fighting on the Western Front in the Second World War. This offensive was conceived as a result of the failure of Operation Market Garden and the allied effort to capture the important port of Antwerp. It was conducted by the allied 21st Army Group between 20 October to 4 November 1944.

1944

World War II: Operation Pheasant, an Allied offensive to liberate North Brabant in the Netherlands, ends successfully.

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Bitola Bitola is a city in the southwestern part of North Macedonia. It is located in the southern part of the Pelagonia valley, surrounded by the Baba, Nidže, and Kajmakčalan mountain ranges, 14 kilometres north of the Medžitlija-Níki border crossing with Greece. The city stands at an important junction connecting the south of the Adriatic Sea region with the Aegean Sea and Central Europe, and it is an administrative, cultural, industrial, commercial, and educational centre. It has been known since the Ottoman period as the "City of Consuls", since many European countries had consulates in Bitola.

Bitola is a city in the southwestern part of North Macedonia. It is located in the southern part of the Pelagonia valley, surrounded by the Baba, Nidže, and Kajmakčalan mountain ranges, 14 kilometres north of the Medžitlija-Níki border crossing with Greece. The city stands at an important...

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Macedonian Partisans The Macedonian Partisans, officially the National Liberation Army and Partisan Detachments of Macedonia, was a communist and anti-fascist resistance movement formed in occupied Yugoslavia which was active in the World War II in Yugoslav Macedonia. Units of the army were formed by Macedonians within the framework of the Yugoslav Partisans as well as other communist resistance organisations operating in Macedonia at the time and were led by the General Staff of the National Liberation Army and Partisan Detachments of Macedonia, headed by Mihajlo Apostolski. During the war, 24 infantry brigades, six artillery brigades, four engineering brigades, one automobile brigade and one cavalry brigade were formed in the Macedonian army. From these brigades, seven divisions were formed, and later the 8th KNOJ division, as well as 3 corps.

1944

World War II: The 7th Macedonian Liberation Brigade liberates Bitola for the Allies.

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Second Battle of El Alamein The Second Battle of El Alamein was a battle of the Second World War that took place near the Egyptian railway halt of El Alamein. The First Battle of El Alamein and the Battle of Alam el Halfa had prevented the Axis from advancing further into Egypt.

The Second Battle of El Alamein was a battle of the Second World War that took place near the Egyptian railway halt of El Alamein. The First Battle of El Alamein and the Battle of Alam el Halfa had prevented the Axis from advancing further into Egypt.

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