Kurmainz (violett) im Heiligen Römischen Reich um 1400
<a href="//commons.wikimedia.org/wiki/User:Ziegelbrenner" title="User:Ziegelbrenner">Ziegelbrenner</a>  (cropped &amp; Mainz territories recoloured by <a href="//commons.wikimedia.org/wiki/User:Rabanus_Flavus" title="User:Rabanus Flavus">Rabanus Flavus</a>)
CC BY-SA 3.0
<a href="//commons.wikimedia.org/wiki/File:HRR_1400.png" title="File:HRR 1400.png">File:HRR_1400.png</a>