Watermills were also on an evolutionary path (so to speak) in the early Middle Ages. From the dedicated wiki page [1]: > Largely unaffected from the turbulent

Watermills were also on an evolutionary path (so to speak) in the early Middle Ages. From the dedicated wiki page [1]: > Largely unaffected from the turbulent political events following the demise of the Western Roman Empire, the importance of watermilling continued to grow under the new Germanic lords. (...) By Carolingian times, references to watermills in the Frankish Realm had become "innumerable". [1] https://en.wikipedia.org/wiki/List_of_early_medieval_watermills#Historical_overview https://en.wikipedia.org/wiki/List_of_early_medieval_watermi...