https://en.wikipedia.org/wiki/Time_of_Troubles https://en.wikipedia.org/wiki/Time_of_Troubles and Polish invasion it the most notable event I guess. But - sure

https://en.wikipedia.org/wiki/Time_of_Troubles https://en.wikipedia.org/wiki/Time_of_Troubles and Polish invasion it the most notable event I guess. But - sure, in most other cases Russia in either an invader or a part of a larger conflict for influence, like https://en.wikipedia.org/wiki/Seven_Years%27_War https://en.wikipedia.org/wiki/Seven_Years%27_War or Napoleonic Wars.