Aachen Cathedral"Aachen Cathedral (German: Aachener Dom) is a Roman Catholic church in Aachen, western Germany, and the see of the Roman Catholic Diocese of Aachen. One of the oldest cathedrals in Europe, it was constructed by order of the emperor Charlemagne, who was buried there in 814. From 936 to 1531, the Palatine Chapel saw the coronation of thirty-one German kings and twelve queens. The church has been the mother church of the Diocese of Aachen since 1802." - (en.wikipedia.org 15.09.2019) Aachen