Spain in the 17th century all contributed to the decline of the Habsburg rule of Spain. The end of the 17th century also brought the end of Habsburg rule. The 18th century began with the War of the Spanish Succession, which concluded in the establishment of the Bourbon dynasty in Spain. In 1469, Ferdinand II of Aragon and Isabella I of Castile united the Crowns of Aragon and Castile into one, creating the early modern Spanish state. Although this ensured future Spanish rulers would rule over both Aragon and Castile, both regions had their own administration and legal systems. In addition, Aragon itself was divided
House of Bourbon-Parma House of Bourbon-Parma has reigned agnatically in Luxembourg when upon the abdication of his mother Jean, Grand Duke of Luxembourg, ascended to the throne. Jean was the son of Prince Felix of Bourbon-Parma, a younger son of Robert I of Parma, and Charlotte, Grand Duchess of Luxembourg. Charlotte's descendants have since reigned as the continued dynasty of "Nassau". In October 2000 Jean abdicated the Luxembourgian throne in favour of his eldest son, Henri, Grand Duke of Luxembourg. Sources: House of Bourbon-Parma The House of Bourbon-Parma () is a cadet branch of the Spanish royal family, whose members once ruled as