or Austro-Prussian War
(JuneAugust 1866) Conflict between Prussia on one side and Austria, Bavaria, Saxony, Hanover, and minor German states on the other.
A contrived dispute by Prussia's Otto von Bismarck over the Schleswig-Holstein Question resulted in the June 1866 Prussian attack on Austrian forces in Bohemia. The Prussian army, modernized and reorganized by Albrecht Theodor Emil, count von Roon , and Helmuth von Moltke , decisively defeated Austria at the Battle of Königgrätz and elsewhere. By August the war was formally concluded by the Treaty of Prague, which assigned Schleswig-Holstein and other territories to Prussia. The effect of the war was to exclude Austria from Germany.