Frankfurt Cathedral built
1239 CE.
Shown on the map at 50.111°, 8.685°.
Frankfurt Cathedral (German: Frankfurter Dom), officially Imperial Dome of Saint Bartholomew (German: Kaiserdom Sankt Bartholomäus), is a Roman Catholic Gothic church located in the heart of Frankfurt am Main, Germany. It is dedicated to Saint Bartholomew. It is the largest religious building in the city and a former collegiate church. Despite its common English name, it has never been an actual cathedral (episcopal see). Still, it is called the Kaiserdom (an "imperial great church" or imperial cathedral) or simply the Dom because of its importance as former election and coronation church of the Holy Roman Empire. Dom (as the Italian Duomo) denotes the main church of a town or a city, which may not be a cathedral. As one of the significant buildings of the Empire's history, it was a symbol of national unity, especially in the 19th century.
Text from the Wikipedia article Frankfurt Cathedral, licensed CC BY-SA 4.0.