As part of the Archbishopric of Mainz, Heinrichsthal passed at Secularization in 1803 to the newly formed Principality of Aschaffenburg, with which it passed in 1814 (by this time it had become a department of the Grand Duchy of Frankfurt) to Bavaria.
Heinrichsthal, which was part of the Archbishopric of Mainz, changed hands from the Principality of Aschaffenburg to Bavaria in 1803 and again in 1814 (by then it had become a department of the Grand Duchy of Frankfurt).