Insofar as Europe has "forgotten" about the Nazis, you might want to check out how Israel legged into this in the early 60s, basically getting Germany to back any of their militaristic objectives in return for full diplomatic engagement with all the symbolic power that implied.

Every government wants to "forget". France maintained a viewpoint that Vichy was a "few bad apples" until the evidence of deporting Jews until their death was undeniable.