3 ms·I notice an unusually large spike in German immigration 1970-1990. Does anyone know why?by TomMckenny 8y agoI notice an unusually large spike in German immigration 1970-1990. Does anyone know why?safanycom 8y agoEast Germany?matt4077 8y agoThat would have been after 1990 (well, November 1989). Remember the wall? I’d guess a change in visa rules, with possibly some pent-up demand.