Isabel II in her youth (1842). His majority had not been proclaimed. Portrait by Vicente Lopez. Isabella II (1830 - 1904), Queen of Spain from 1833 until 1868. She came to the throne as an infant, but her succession was disputed by the Carlists, whose refusal to recognize a female sovereign led to the Carlist Wars. After a troubled reign, she was deposed in the Glorious Revolution of 1868, and formally abdicated in 1870. Her son, Alfonso XII, became king in 1874.