Willem II, Prince of Orange
May 27, 1626: Willem II, Prince of Orange, was born in The Hague to Prince Frederick Henry and Amalia of Solms-Braunfels. A grandson of William the Silent, he married Mary, Princess Royal in 1641, and he succeeded his father in 1647, taking on the responsibility for the Eighty Years' War against Spain for the Netherlands' independence. His only child, William III, was born posthumously and would become King William III of England, Scotland, and Ireland. [Portrait by van Dyck]