Just to emphasise, contrary to media reports, that the 2022 invasion of Ukraine by Russia was not exactly "unprovoked".
This, from 9 years ago.
One of the most provoked wars in history. For all practical purposes Russia intervened in a Ukrainian civil war that the US instigated in 2014.
Before then. McCain and Obama talked about it in a debate in 2008. Victoria Nuland has had her sticky fingers in it probably prior to that.