This article examines American post-war hegemonism and the fundamental ambiguities of European construction—from the will to independence (1957–73) to the growing submission to Anglo-Saxon tutelage (since 1973), while highlighting the pervasive but often overlooked effects of the reversal of the age pyramid, leading to the rapid ageing of EU countries in the context of galloping immigration from poorer, more fecund and youthful nations.