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
Prince Gabriel of Bourbon-Two Sicilies membership in the historical House of Bourbon-Two Sicilies, the title of "Principe de Borbón" and the style of "Royal Highness" were specifically accorded to Gabriel de Borbón and to those of his children born of marriage contracted with the Spanish sovereign's authorization, by a Spanish royal decree issued 19 August 1920. Prince Gabriel of Bourbon-Two Sicilies Prince Gabriele of Bourbon-Two Sicilies (Gabriele Maria Giuseppe Carlo Ignazio Antonio Alfonso Pietro Giovanni Gerardo di Majella et Omni Sancti; 11 January 1897, Cannes, France – 22 October 1975, Itu, Brazil,) was a prince of the deposed dynasty which ruled the Kingdom of the