Due to the power wielded by the Elector until 1803, the Wheel of Mainz was recognized across a vast territory, and it can be seen in many coats of arms of towns belonging to the collegiate church, such as Erfurt, which belonged to the archbishopric for centuries.
The Wheel of Mainz, owing to the Elector's authority until 1803, was recognized across a broad territory, and it appears in the coats of arms of many towns affiliated with the collegiate church, including Erfurt, which has been part of the archbishopric for centuries.