The term "Prussian Princes" refers to the members of the royal family of Prussia, a historical state in what is now Germany. They were part of the House of Hohenzollern, which ruled Prussia from the 16th century until the end of World War I in 1918. The princes played significant roles in the political and military affairs of Prussia, contributing to its rise as a major European power. Prussian princes were often involved in the governance of their territories and held various military and administrative positions. They were known for their emphasis on discipline and efficiency, which influenced the development of the Prussian military system. Their legacy includes the establishment of a strong centralized state and the eventual unification of Germany in the 19th century.