This economic boom passed the old town. At the latest after the annexation of Frankfurt by Prussia in 1866, the wealthy citizens moved to the new districts outside the ramparts, especially to the Westend. The city centre gradually shifted to the new town, where numerous Wilhelminian style buildings were erected at the Hauptwache, the Zeil and the Roßmarkt. The former exhibition halls in the buildings of the old town were transformed into warehouses or second-hand shops, the long-established craftsmen were forced to move to the new town with their customers. When the new small market hall between Fahrengasse and Hasengasse was built between 1877 and 1878, the traditional parapets also disappeared. The former Coronation Trail Markt no longer deserved its name, which was a symbol of the beginning social and structural deterioration of the old town. The horse-drawn tram, which started operating in 1872, did not reach the old town either.