In the 20th century Europe, as we all know, were three major totalitarian dictators; Joseph Stalin, communist, also Adolf Hitler and Benito Mussolini who were facist. In history classes I am mostly taught about Hitler and Stalin due to the magnitude of what they did and what it was like to live in Nazi Germany and Soviet Russia. Things like, sparking the Second World War, gulags and concentration camps and what it was like to live in their respective countries and their politcal stances.
Hi, I've previously answered much of what you're looking for here!
I've also gone over slightly why Italy tends to get off without the blame culturally here!