The exhibition about the development of the city looks at how old the settlement is around Tallinn. When does a settlement become a city? What happened during the crusade of Valdemar II of Denmark and what were the early years under Danish rule like? The detailed reconstructions of Tallinn during the Danish era (created by artist Jaana Ratas) and the animated overview of the various stages in the construction of the city were created according to archaeological data. The archaeological material is provided for the exhibition by the Archaeological Research Collection of Tallinn City Museum and Tallinn University. Items have been added from Tartu and Riga for comparative purposes.