Quedlinburg, in the Land of Sachsen-Anhalt, was a capital of the East Franconian German Empire at the time of the Saxonian-Ottonian ruling dynasty. It has been a prosperous trading town since the Middle Ages. The number and high quality of the timber-framed buildings make Quedlinburg an exceptional example of a medieval European town. The Collegiate Church of St Servatius is one of the masterpieces of Romanesque architecture. It is for these reasons that UNESCO added them to the list of World Heritage Sites in 1994.