    after the fall of ‘the Western’ empire in  476, during the Ostrogothic occupation,  when the: Byzantines'reclaimed the city  in the-rhid sixth century-and-when the.  Franks settlechin after that?    Sentence 2: What. was*. the first:  European city alter’ the fal of the Rornan  Empire ‘fo: havea population of one:  million?