It was a fantastic bluff from the USA to make the USSR believe that Bufford "Mad Dog" Tannen was in charge of the nukes, when in reality it was Doc. Brown.
North Korea has nukes but those in the Nordics are bragging about defeating Russia by buying heat pumps. Much of Europe has been living in a time of what amounts to ignorant bliss which Putin is slowly shaking them out of.
Germany hasn't invaded France (or vice versa) for two generations now. The Soviet Union dissolved itself peacefully by act of parliament. (Compare to Germany/Japan/Napoleon)