With the dictator Lenin, the dictatorship of the proletariat. Look at that. Alright guys, we finally got there. So what are the effects of the Communist Revolution of 1917? Whoa, that's the first effect. 20th century, baby. The whole 20th century is basically defined by this kind of, you know, us versus them world of the Soviet Union being the engine of communism, trying to spread it around the world and the United States and the Allied powers trying to stomp it out around the world.