Communism

National Bolshevism as a political movement combines elements of radical nationalism (especially Russian nationalism) and Bolshevism.

A Naxal or Naxalite is a member of any of the Communist guerrilla groups in India, mostly associated with the Communist Party of India (Maoist).

Proletarian internationalism, sometimes referred to as international socialism, is a socialist form of internationalism, based on the view that capitalism is a global system, and therefore the working class must act as a global class if it is to defeat it in class conflict.

The 2nd World Congress of the Comintern was a gathering of approximately 220 voting and non-voting representatives of Communist and revolutionary socialist political parties from around the world, held in Petrograd and Moscow from July 19 to August 7, 1920.

The 1st Congress of the Comintern was an international gathering of communist, revolutionary socialist, and syndicalist delegates held in Moscow which established the Communist International (Comintern).

The Young Communist International was the parallel international youth organization affiliated with the Communist International (Comintern).

The Zimmerwald Left was a revolutionary minority faction at the Zimmerwald Peace Conference of 1915, headed by Lenin.

International Workers' Day, also known as Labour Day in some countries, is a celebration of labourers and the working classes that is promoted by the international labour movement, socialists, communists and anarchists and occurs every year on May Day (1 May), an ancient European spring festival.

Marxism–Leninism is a political philosophy or worldview founded on ideas of Marxism and Leninism, and seeks to establish socialist states and develop them further.

A planned economy is an economic system in which inputs are based on direct allocation.

The Red Terror was a campaign of mass killings, torture, and systematic oppression conducted by the Bolsheviks after the beginning of the Russian Civil War in 1918.

Within the Marxist movement, the word revisionism is used to refer to various ideas, principles and theories that are based on a significant revision of fundamental Marxist premises.

Trotskyism is the theory of Marxism as advocated by Leon Trotsky.

A red star, five-pointed and filled (★), is an important symbol often associated with communist ideology, particularly in combination with hammer and sickle.

The Red International of Labor Unions (RILU) (Russian: Красный интернационал профсоюзов — Krasnyi internatsional profsoyuzov), commonly known as the Profintern, was an international body established by the Communist International with the aim of coordinating Communist activities within trade unions.

National Communism, refers to the various forms in which communism has been adopted and/or implemented by leaders in different countries.

The OMS (Russian: Отдел международной связи, otdel mezhdunarodnoy svyazi or ОМС), also known in English as the International Liaison Department (1921-1939), was "the most secret department" of the Comintern.

Common ownership refers to holding the assets of an organization, enterprise, or community indivisibly rather than in the names of the individual members or groups of members, as common property.

World revolution is the Marxist concept of overthrowing capitalism in all countries through the conscious revolutionary action of the organized working class.

Social fascism was a theory supported by the Communist International (Comintern) during the early 1930s, which held that social democracy was a variant of fascism because, in addition to a shared corporatist economic model, it stood in the way of a complete and final transition to communism.

The European Day of Remembrance for Victims of Stalinism and Nazism, known as the Black Ribbon Day in some countries, which is observed on 23 August, is the international remembrance day for victims of totalitarian ideologies, specifically totalitarian communist regimes, Stalinism, Nazism and fascism.

Luxemburgism is a variant of Marxist revolutionary theory based on the writings of Rosa Luxemburg.

The Conspiracy of the Equals (French: Conjuration des Égaux) or Society of the Panthéon was a faction within the French Revolution led by François-Noël Babeuf.

Neozapatismo or Neozapatism (sometimes mislabeled as Zapatismo) is the Mexican ideology behind movements such as the Zapatista Army of National Liberation.

Orthodox Marxism is the body of Marxist thought that emerged following the death of Karl Marx which became the official philosophy of the socialist movement as represented in the Second International until the First World War.

The Eight Musts (Chinese: 八个必须) are a policy set by the General Secretary Xi Jinping administration regarding the role of the Communist Party of China in Chinese society.

Marxism–Leninism–Maoism (M–L–M or MLM) is a political philosophy which builds upon Marxism-Leninism and some aspects of Mao Zedong Thought.

Mass killings occurred under some Communist regimes during the twentieth century.

The Trade Union Unity League (TUUL) was an industrial union umbrella organization under the Communist Party of the United States (CPUSA) between 1929 and 1935.

Anti-German (German: Antideutsch) is the generic name applied to a variety of theoretical and political tendencies within the radical left mainly in Germany and Austria.

Criticisms of communist party rule are criticisms of the actions of one-party states ruled by parties that identify their official ideologies as Marxism-Leninism, known as "Communist states".

LGBT rights in communism has evolved radically thought history.

The Third Period is an ideological concept adopted by the Communist International (Comintern) at its Sixth World Congress, held in Moscow in the summer of 1928.

A Communist front organization is an organization identified to be a front organization under the effective control of a Communist party, the Communist International or other Communist organizations.

The Pan Pacific Trade Union Secretariat (PPTUS) was established as the Asia and Pacific branch of the Profintern (Red International of Trade Unions, or RILU) at a conference in Hankou, China in May 1927.

The 7th World Congress of the Communist International (Comintern) was a multinational conference held in Moscow from July 25 through August 20, 1935 by delegated representatives of ruling and non-ruling communist parties from around the world and invited guests representing other political and organized labor organizations.