Nationalities imprisoned in the Russian empire built by 3 centuries of Russifying genocidal conquest: 100+. First to break free in 1917: Finland.
Correlation between Russian imperial behaviour and NATO is a very simple number: zero, since Russian imperialism predates NATO by nearly half a millenium.
Countries invaded by European NATO states: none.
Russian invasions, interventions and frozen conflicts: Georgia (Abkhazia, South Ossetia), Moldova (Transnistria and recent coup attempt), Chechnya in 1994, 1999, Kazakhstan in January 2022, Estonia in 2007 and more recent cyberwarfare, funding and engaging in hybrid disinformation warfare supporting LePen in France, Salvini in Italy....

How Finland could bring down Putin without firing a shot: https://medium.com/p/2b564512f8c5.

Russia going to war against Finland would be about as wise as Syria going to war against Israel, despite whatever nonsense Solovyev and Kisilyev spew forth about invading Finland.