Margraviate of Brandenburg fief of the Polish–Lithuanian Commonwealth, to which the electors paid homage. The electors of Brandenburg spent the next two centuries attempting to gain lands to unite their separate territories (the Mark Brandenburg, the territories in the Rhineland and Westphalia, and Ducal Prussia) to form one geographically contiguous domain. In the Peace of Westphalia ending the Thirty Years' War in 1648, Brandenburg-Prussia acquired Farther Pomerania and made it the Province of Pomerania by the Treaty of Stettin (1653). In the second half of the 17th century, Frederick William, the "Great Elector", developed Brandenburg-Prussia into a major power. The state constructed Brandenburg's
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