What is the most significant transition that European societies have experienced since 1991

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Thirty years ago, a wave of optimism swept across Europe as walls and regimes fell, and long-oppressed publics embraced open societies, open markets and a more united Europe. Three decades later, a new Pew Research Center survey finds that few people in the former Eastern Bloc regret the monumental changes of 1989-1991. Yet, neither are they entirely content with their current political or economic circumstances. Indeed, like their Western European counterparts, substantial shares of Central and Eastern European citizens worry about the future on issues like inequality and the functioning of their political systems.