In 1848, Marx and Engels offered a new definition of communism and popularized the term in their famous pamphlet The Communist Manifesto.

When did the first country become communist?

During the 20th century, the world's first constitutionally communist state was in Russia at the end of 1917. In 1922, it joined other former territories of the empire to become the Soviet Union.

When did communism start in Russia?

In Russia, efforts to build communism began after Tsar Nicholas II lost his power during the February Revolution, which started in 1917, and ended with the dissolution of the USSR in 1991.