The Battle of Helmstadt is a battle in the Main Campaign of the Austro-Prussian War on 25 July 1866, between the Prussian Main Army and the VIII Corps of the German Federal Army which consisted of soldiers from the Kingdom of Bavaria
On the plateau between Tauber and Main, the federal troops were pushed back again on the 25th near Helmstadt and Uettingen and near Gerchsheim. In the fighting, the to be Bavarian King Ludwig III was wounded. After the Prussian bombardment of the Bavarian troops in the Marienberg Fortress near Würzburg on 27 July, a local ceasefire was concluded, which was followed on 2 August by the general armistice.
Wikipedia https://en.wikipedia.org/wiki/Battle_of_Helmstadt
Address 97264, Germany
Coordinates 49°45'25.328" N 9°42'50.107" E