Soviet Foreign Commissar Vyacheslav Molotov signs the German-Soviet nonaggression pact: Joachim von Ribbentrop and Josef Stalin stand behind him. Moscow, August 23. 1939.World War II

Vyacheslav Molotov signs the German-Soviet Non-Aggression Pact: Joachim von Ribbentrop and Josef Stalin stand behind him. (Universal History Archive/Getty Images)