Sixty years before the WWI was also an unprecedented time of peace. I'm not saying that we're looking at anything similar here but people used to believe that trade and wealth it generates are so great that Europeans would never go to war. And then they did.
Another argument missing the point is that Russia currently is in no state for any large organized military operation. It's true. But it was also true after the WWI, in 1920, and it didn't stop them from trying[1].
From Wikipedia [1] , in the 60 years prior to WWI (1854-1914), the following wars were fought within and between the Great Powers in Europe:
1. The 1863-4 Polish Rebellion (in the Russian Empire).
2. The 1866 Austro-Prussian War.
3. The 1870-1 Franco-Prussian War.
And this is not counting assorted wars between Great Powers and smaller countries (e.g. Prussia against Denmark) or civil wars in smaller countries (like Spain).
Seriously, Europe's come a long way. There have basically only been the Soviet suppression of uprisings in Eastern Bloc countries during the Cold War, and the assorted Yugoslav Wars. Not perfect, but not too shabby.
Another argument missing the point is that Russia currently is in no state for any large organized military operation. It's true. But it was also true after the WWI, in 1920, and it didn't stop them from trying[1].
[1] https://en.wikipedia.org/wiki/Polish%E2%80%93Soviet_War_in_1...