This article deals with the challenges for the architectural historian as formulated by the architectural-historical domain during the past three decades. In 1977 an international symposium took place at Utrecht University in which overtures were made to social sciences. It was seen as a challenge for the architectural historian; he could become a relevant player in questions on ‘high’ and ‘low’ architecture, on preservation and selection in large-scale urban extension, renovation of social housing, increase in the building intensity of city centres and traffic interventions; the architectural historian was considered an ally of the anonymous (housing) consumer. In 1986 a symposium was held fitting in with a special issue of Archis on twent...