This special issue focuses on the notion of ‘open houses’. It aims at illustrating and comparing different interpretations and uses of such a notion by contemporary historians and, although less systematically, by other scholars and within other specialized languages. At the same time, it aims to give examples of the use of such a notion in past languages, thus encompassing both emic and etic perspectives. The first level of analysis therefore refers to language, and shows different meanings and ideas associated with the expression ‘open house’ in both the past and present. More precisely, on the one hand it will provide information on the use of the notion of ‘casa aperta’ by early modern and nineteenth-century Italians. On the other, it w...