Aachen is Charlemagne''s Aachen. As the heir to the throne, Lothair naturally inherited the imperial capital of his grandfather the Great.


    But this city was not built by him. As a brand new "Roman Emperor", it seemed natural to choose a new capital for himself.


    There were four important cities in the core area of ??Frankish rule: Aachen, Paris, Mainz and Strasbourg.


    There are many emperor''s palaces distributed in the empire, and these cities and palaces can be used as


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