Communism in 20 years was a slogan put forth by Nikita Khrushchev at the 22nd Congress of the Communist Party of the Soviet Union in 1961.

In his speech, Khrushchev promised that communism

Communism

Communism is a social, political and economic ideology that aims at the establishment of a classless, moneyless, revolutionary and stateless socialist society structured upon common ownership of the means of production...

 will be built "in the main" by 1980. His phrase "The current generation of Soviet people

Soviet people

Soviet people or Soviet nation was an umbrella demonym for the population of the Soviet Union. Initially used as a nonspecific reference to the Soviet population, it was eventually declared to be a "new historical, social and international unity of people".-Nationality politics in early Soviet...

 will live under communism" was the final phrase of the new Program of the CPSU

Program of the CPSU

The Program of the CPSU was the main document of the Communist Party of the Soviet Union which put forth the strategic plans for internal and external politics of the Party and the Soviet Union as a whole...

 adopted at the congress. This was linked to the development of cybernetics

Cybernetics

Cybernetics is the interdisciplinary study of the structure of regulatory systems. Cybernetics is closely related to information theory, control theory and systems theory, at least in its first-order form...

.

The latter political slogan is attributed to Kremlin

Kremlin

A kremlin , same root as in kremen is a major fortified central complex found in historic Russian cities. This word is often used to refer to the best-known one, the Moscow Kremlin, or metonymically to the government that is based there...

 speechwriter

Speechwriter

A speechwriter is a person who is hired to prepare and write speeches that will be delivered by another person. Speechwriters are used by many senior-level elected officials and executives in the government and private sectors.-Skills and training:...

 Elizar Kuskov (Елизар Кусков), who allegedly quipped "this slogan will survive centuries".