159 years ago today, July 26, 1866 (June 15, 1866 in the lunar calendar), Prussia and Austria concluded an armistice agreement, and the Prussian and Austrian War ended. On July 26, 1866, Prussia and Austria concluded an armistice agreement, and the Prussian War ended. The Austro-Prussian War (also known as the Seven Weeks 'War or the German Civil War) broke out in 1866 as Austria and Prussia fought for leadership to unify Germany. Prussia's victory allowed it to dominate Germany and finally complete the great cause of reunification. In Germany and Austria, this battle was known as the German War (Deutscher Krieg) or the Brothers 'War (Bruderkrieg). During the German Unification Movement, this was the Third War of Independence. Comment: The last civil war of the German nation was fought, but the grudge between brothers was not truly settled until the end of World War II.