Communism (a classless stateless society) will have to be worldwide, with no nations or borders. What was established in Russia in 1917 was state capitalism.
Cuba was the first Caribbean country to move to communism.
Communism (a classless stateless society based on production for use and democratic control) has never existed in China.
Communism is a classless stateless society based on production for use, and would have to be a worldwide system. The Bolsheviks established a state capitalist system in Russia.
Cuba
The country that President Eisenhower believed would be the first to fall to communism in Asia was Vietnam.
Trotskyism was Leon Trotsky's philosophy that communism had to be achieved by permanent revolution in all countries. Karl Marx initially felt that no single country could survive as a communist country surrounded by capitalist countries and Trotsky agreed. Joseph Stalin believed that socialism )not communism at this point) should be firmly established on one country (Russia) first, then it could be advocated in others.
The Bolsheviks established, so they called, a Communist government. However, this government is falsely named as communism (an idea created by Karl Marx) is an utopia with no form of government whatsoever. This "Communism" was more of a dictatorship. Even though countries claim to be, or have been, communist, no country has ever achieved communism.
San Marino was the first established country.
Yes, Russia was the first to adopt Communism. The Soviet Union did not exist yet. Karl Marx invented the idea of communism in Germany though.
Egypt - a contender for first in the world.
San Marino was the first established country and gained independence from the Roman Empire in 301.