What is the name of the Austro-Hungarian general and historian from the province straddling the southern border of the Habsburg Monarchy?
Military Frontier The Military Frontier was a province straddling the southern borderland of the Habsburg Monarchy and later the Austrian and Austro-Hungarian Empire. It acted as the "cordon sanitaire" against incursions from the Ottoman Empire.
Grand Duchy of the Lower Rhine The Grand Duchy of the Lower Rhine (German: "Großherzogtum Niederrhein" ), or simply known as the Lower Rhine Province ("Provinz Niederrhein "), was a province of the Kingdom of Prussia and existed from 1815 to 1822.