 Complete the following phrase:  Hostilities broke out on 14 June as the Austro-Prussian War JuneAugust 1866, in which Prussia and the north German states faced not only Austria but much of the rest of Germany, especially the southern states. Three days later Italy declared war on Austria in the Third Italian War of Independence, Italy now being Prussias ally. Thus Austria had to fight on two fronts. Their first engagement resulted in a minor victory against the Italians at Custoza near Verona on 24 June. However, on the northern front Austria suffered a major military defeat at the 