Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Soviet war crimes, War crime, Katyn massacre, NKVD prisoner massacres, Occupation of the Baltic states, Operation Priboi, Soviet occupation of Latvia in 1940, January Events (Lithuania), Finnish prisoners of war in the Soviet Union, Operation Keelhaul, Betrayal of the Cossacks, Expulsion of Germans after World War II, German exodus from Eastern Europe, Hungarian Revolution of 1956, Prague Spring , Soviet war in Afghanistan, Soviet historiography, Occupation of Latvia by Soviet Union 1944-1945