The term "Year One" in political history usually refers to the institution of radical, revolutionary change. This usage dates from the time of the French Revolution. After the official abolition of the French monarchy on 21 September 1792, the

National Convention The National Convention () was the constituent assembly of the Kingdom of France for one day and the French First Republic for its first three years during the French Revolution, following the two-year National Constituent Assembly and the ...

instituted the new French Revolutionary Calendar. It declared the day after abolition – 22 September, redesignated as 1

Vendémiaire Vendémiaire () was the first month in the French Republican calendar. The month was named after the Occitan word ''vendemiaire'' 'grape harvester'. Vendémiaire was the first month of the autumn quarter (''mois d'automne''). It started on the d ...

– to be the first day of the Republic and the beginning of Year I. The

Maoist Maoism, officially Mao Zedong Thought, is a variety of Marxism–Leninism that Mao Zedong developed while trying to realize a socialist revolution in the agricultural, pre-industrial society of the Republic of China (1912–1949), Republic o ...

dictator

Pol Pot Pol Pot (born Saloth Sâr; 19 May 1925 – 15 April 1998) was a Cambodian politician, revolutionary, and dictator who ruled the communist state of Democratic Kampuchea from 1976 until Cambodian–Vietnamese War, his overthrow in 1979. During ...

(''Saloth Sâr'') was educated in

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

to join the

French Communist Party The French Communist Party (, , PCF) is a Communism, communist list of political parties in France, party in France. The PCF is a member of the Party of the European Left, and its Member of the European Parliament, MEPs sit with The Left in the ...

as a student which was inspired by the French Revolutionary Calendar of Year One as well as the works of

Robespierre Maximilien François Marie Isidore de Robespierre (; ; 6 May 1758 – 28 July 1794) was a French lawyer and statesman, widely recognised as one of the most influential and controversial figures of the French Revolution. Robespierre fer ...

and the

Reign of Terror The Reign of Terror (French: ''La Terreur'', literally "The Terror") was a period of the French Revolution when, following the creation of the French First Republic, First Republic, a series of massacres and Capital punishment in France, nu ...

. The

Cambodian Civil War The Cambodian Civil War (, Romanization of Khmer#UNGEGN, UNGEGN: ) was a civil war in Cambodia fought between the Communist Party of Kampuchea (known as the Khmer Rouge, supported by North Vietnam and China) against the government of the Ki ...

had led the various campaigns of

Operation Menu Operation Menu was a covert United States Strategic Air Command (SAC) tactical bombing campaign conducted in eastern Cambodia from 18 March 1969 to 26 May 1970 as part of the Vietnam War. The targets of these attacks were sanctuaries and base ar ...

, Chenla Two and the

Fall of Phnom Penh The Fall of Phnom Penh was the capture of Phnom Penh, capital of the Khmer Republic (in present-day Cambodia), by the Khmer Rouge on 17 April 1975, effectively ending the Cambodian Civil War. At the beginning of April 1975, Phnom Penh, one of th ...

which declared the new revolutionary calendar as

Year Zero A year zero does not exist in the Anno Domini (AD) calendar year system commonly used to number years in the Gregorian calendar (nor in its predecessor, the Julian calendar); in this system, the year is followed directly by year (which is the ...

on 17 April 1975, which the Queen

Sisowath Kossamak Sisowath Kossamak (, ; 9 April 1904 – 27 April 1975) was Queen of Cambodia from 1955 to 1960 as the wife of King Norodom Suramarit and reigning Queen of Cambodia from 1960 until the abolition of the monarchy in 1970. After her husband's dea ...

fled to

Beijing Beijing, Chinese postal romanization, previously romanized as Peking, is the capital city of China. With more than 22 million residents, it is the world's List of national capitals by population, most populous national capital city as well as ...

and

Lon Nol Marshal Lon Nol (, also ; 13 November 1913 – 17 November 1985) was a Cambodian military officer and politician who served as Prime Minister of Cambodia twice (1966–67; 1969–71), as well as serving repeatedly as defence minister and provi ...

heading to exile in

Hawaii Hawaii ( ; ) is an island U.S. state, state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two Non-contiguous United States, non-contiguous U.S. states (along with Alaska), it is the only sta ...

and then

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

as the

people The term "the people" refers to the public or Common people, common mass of people of a polity. As such it is a concept of human rights law, international law as well as constitutional law, particularly used for claims of popular sovereignty. I ...

of every urban centers in Cambodia are evacuated into rural co-operatives which inspired by the

Great Leap Forward The Great Leap Forward was an industrialization campaign within China from 1958 to 1962, led by the Chinese Communist Party (CCP). Party Chairman Mao Zedong launched the campaign to transform the country from an agrarian society into an indu ...

Chairman Mao Mao Zedong pronounced ; traditionally Romanization of Chinese, romanised as Mao Tse-tung. (26December 18939September 1976) was a Chinese politician, revolutionary, and political theorist who founded the People's Republic of China (PRC) in ...

. On 5 January 1976, Pol Pot who became ("Brother Number One") renamed the country from the

Khmer Republic The Khmer Republic (, ; ) was a Cambodian state under the United States-backed military dictatorship of Marshal Lon Nol from 1970 to 1975. Its establishment was formally declared on 9 October 1970, following the 18 March 1970 coup d'état w ...

Democratic Kampuchea Democratic Kampuchea was the official name of the Cambodian state from 1976 to 1979, under the government of Pol Pot and the Communist Party of Kampuchea (CPK), commonly known as the Khmer Rouge. The Khmer Rouge's capture of the capital Phno ...

established by

Angkar The Communist Party of Kampuchea (CPK), also known as the Khmer Communist Party,
Country Data. . was a com ...

which become a closed nation on earth.

References

1792 events of the French Revolution French Republican calendar {{France-poli-stub

See also

References