From July 21, the Prussians marched from Frankfurt towards Würzburg to prevent the unification of the Federal Army.

After crossing the Odenwald, there were a series of battles with Baden, Hessian and Württemberg units of the VIII Corps of the Federal Army on the Tauber until July 24.

The Prussian Main Army consisted of three divisions under Edwin von Manteuffel who were in the following positions on July 25 at 10 a.m.: In this local battle on July 25, 1866 (about three weeks after the decisive Battle of Königgrätz)[4] near Gerchsheim, the 13th Infantry Division (Goeben) and the 8th Federal Army Corps under the command of Prince Alexander of Hesse-Darmstadt .

Order of Battle of the participating associations in a contemporary representation: The combined Prussian division Flies was supposed to advance from Urphar to Dertingen on July 25 and explore in the direction of Remlingen, since the position of the Bavarian corps was unclear.

The 13th and 53rd Infantry RegimentsThe Kummer Brigade occupied the edge of the forest and the Prussians brought up two gun batteries.

The artillery now fired at the infantry positions at the edge of the forest in order to then advance with the Nassau Brigade to attack.

Once again the Prussian needle gun proved itselfan advantage and the Nassau Brigade broke off their attack 400 meters from the edge of the forest.

His battery Coester fired at the artillery of the VIII Corps and parts of the 15th Infantry Regimentgot into a firefight with Hessian troops.

In addition, the Kummer and Weltzien Brigades advanced and the VIII Corps did not hold out, but withdrew to Irtenberg .

Corps took up positions on the Nikolausberg in front of Würzburg, in order to cover a retreat of the Bavarians across the Main.

While the Bavarians were still fighting the battles at Uettingen [de] and Roßbrunn to prevent - in vain - a Prussian occupation of Würzburg, Austria concluded the preliminary peace of Nikolsburg on July 26 with Prussia separately - without its allies, whereby his consent to any territorial claims was given in advance, which Prussia would enforce in the individual negotiations with the southern German Central Powers.