This session explores the city at night and its transformations through the ages, with a focus on the cultural, economic and political role of these transformations in society. Paper proposals are welcome on topics including but not limited to: the city's nocturnal imaginaries and figures; urban lighting and innovations; obsessions and rationalization of the nocturnal city; control, politization and commercialization of nocturnal life in the city; evolution of artificial light through time and its implications on city-dwellers' relationships with the night; crime in the city at night; (re)defining safety and danger zones in the city at night; artificial light pollution; workers of the night.