Democracy became a popular and highly contested concept in the Danish-speaking parts of the Danish monarchy in 1848. For a brief time, it went from being an occasional guest in political language to a popular concept in the constitutional struggle of 1848–1849. This article argues democracy became attached to an equally popular concept of the time, movement, when introduced into everyday political communication in Denmark. In this context, democracy became a name for the movement observed in Europe and in the Danish monarchy. The article identifies three main interpretations of democracy that occurred in the Danish constitutional struggle of 1848–1849 and argues the battle over the constitution was essentially a battle over how one interpreted the past, the present, and the future. Democracy became a key term in this battle in 1848 Denmark.