Westphalia to be Catholic. Osnabrück was divided almost equally between Catholicism and Protestantism. Parts of Westphalia came under Brandenburg-Prussian control during the 17th and 18th centuries, but most of it remained divided by duchies and other areas of feudal power. The Peace of Westphalia of 1648, signed in Münster and Osnabrück, ended the Thirty Years' War. The concept of nation-state sovereignty resulting from the treaty became known as "Westphalian sovereignty". After the defeat of the Prussian Army by the French at the Battle of Jena–Auerstedt, the Treaty of Tilsit in 1807 made the easternmost portion of today's Westphalia part of the
Piracy in the Caribbean of the Americas all beckoned to those eager to make their fortunes and a large assortment of Frenchmen and Englishmen began new colonial ventures during the early 17th century, both in North America, which lay basically empty of European settlement north of Mexico, and in the Caribbean, where Spain remained the dominant power until late in the century. As for the Dutch Netherlands, after decades of rebellion against Spain fueled by both Dutch nationalism and their staunch Protestantism, independence had been gained in all but name (and that too would eventually come with the Treaty of Westphalia in 1648). The