The Römer is a medieval building in Frankfurt am Main, Germany, and one of the city's most important landmarks. It has been the city hall (Rathaus) for 600 years. The Römer merchant family sold it together with a second building, the Goldener Schwan (Golden Swan), to the city council on March 11, 1405 and it was converted for use as the city hall. TheHaus Römeris...