Your premise and any assumptions that build on that are invalid.
The Soviet Union and China had a war. When they both had a nuclear umbrella, the Soviet Union having twice as many nuclear weapons as they do now. What else... India and Pakistan? The Korean war? mjfl, here's some news... did you know there's _two_ Koreas? Russia is in other European states right now - Moldova, Georgia. Never mind the hybrid warfare, I feel at best the need to only vaguely point in that direction. Just as much as I'll vaguely point out that that nuclear umbrella just shrunk to a quarter of its previous size. And how can you say "Europe is covered by a nuclear umbrella" when the largest nation by area entirely in Europe is not covered by it.
Can you do us a favour and at least make a list of Wikipedia articles or historical events or entire nations we're supposed to pretend don't exist, including, paradoxically, Russia?
The Soviet Union and China had a war. When they both had a nuclear umbrella, the Soviet Union having twice as many nuclear weapons as they do now. What else... India and Pakistan? The Korean war? mjfl, here's some news... did you know there's _two_ Koreas? Russia is in other European states right now - Moldova, Georgia. Never mind the hybrid warfare, I feel at best the need to only vaguely point in that direction. Just as much as I'll vaguely point out that that nuclear umbrella just shrunk to a quarter of its previous size. And how can you say "Europe is covered by a nuclear umbrella" when the largest nation by area entirely in Europe is not covered by it.
Can you do us a favour and at least make a list of Wikipedia articles or historical events or entire nations we're supposed to pretend don't exist, including, paradoxically, Russia?