On the one hand, a better beef for Russia would be the US military intervention on Soviet soil for the anti Bolshevik forces in 1917, on the other hand, that's

On the one hand, a better beef for Russia would be the US military intervention on Soviet soil for the anti Bolshevik forces in 1917, on the other hand, that's a incredibly long time to hold a grudge/cold war, though Iran's theocracy looks like it's going to milk US interference in their country for a couple more generations, too. The other side of this is Russian involvement in the US/Western Europe seems to follow many of the key points of https://en.wikipedia.org/wiki/Foundations_of_Geopolitics https://en.wikipedia.org/wiki/Foundations_of_Geopolitics where Putin has already though direct military action or political involvement, accomplished the goals of distancing the UK from Europe, made progress on retaking Ukraine, allied with Iran, gotten a windfall with Turkey being run by an authoritarian and distancing itself from the West, and diminished the US in the eyes of the world with the election of Trump.