A communist revolution is a proletarian revolution inspired by the ideas of Marxism that aims to replace capitalism with communism, typically with socialism as an intermediate stage. The idea that a proletarian revolution is needed is a cornerstone of Marxism; Marxists believe that the workers of the world must unite and free themselves from capitalist oppression to create a world run by and for the working class. Thus, in the Marxist view, proletarian revolutions need to happen in countries all over the world; see world revolution.

Leninism argues that a communist revolution must be led by a vanguard of 'professional revolutionaries'—that is, men and women who are fully dedicated to the communist cause and who can then form the nucleus of the revolutionary movement. Some Marxists disagree with the idea of a vanguard as put forth by Lenin, especially left communists but also including some who continue to consider themselves Marxist-Leninists despite such a disagreement. These critics insist that the entire working class - or at least a large part of it - must be deeply involved and equally committed to the socialist or communist cause in order for a proletarian revolution to be successful. To this end, they seek to build massive communist parties with very large memberships.

Fidel Alejandro Castro Ruz (Spanish: [fiˈðel ˈkastro]; born August 13, 1926) is a Cuban revolutionary and politician, having held the position of Prime Minister of Cuba from 1959 to 1976, and then President from 1976 to 2008. He also served as the First Secretary of the Communist Party of Cuba from the party's foundation in 1961 until 2011. Politically a Marxist-Leninist, under his administration the Republic of Cuba was converted into a one-party socialist state, with industry and business being nationalized under state ownership and socialist reforms implemented in all areas of society. On the international stage, he also served as the Secretary-General of the Non-Aligned Movement from 1979 to 1983 and 2006 to 2008.

Monty Python (sometimes known as The Pythons) was a British surreal comedy group who created Monty Python's Flying Circus, a British television comedy sketch show that first aired on the BBC on 5 October 1969. Forty-five episodes were made over four series. The Python phenomenon developed from the television series into something larger in scope and impact, spawning touring stage shows, films, numerous albums, several books and a stage musical as well as launching the members to individual stardom. The group's influence on comedy has been compared to The Beatles' influence on music.

The television series, broadcast by the BBC from 1969 to 1974, was conceived, written and performed by members Graham Chapman, John Cleese, Terry Gilliam, Eric Idle, Terry Jones, and Michael Palin. Loosely structured as a sketch show, but with an innovative stream-of-consciousness approach (aided by Gilliam's animation), it pushed the boundaries of what was acceptable in style and content. A self-contained comedy team responsible for both writing and performing their work, the Pythons' creative control allowed them to experiment with form and content, discarding rules of television comedy. Their influence on British comedy has been apparent for years, while in North America it has coloured the work of cult performers from the early editions of Saturday Night Live through to more recent absurdist trends in television comedy. "Pythonesque" has entered the English lexicon as a result.