Among other notable buildings are the town hall; the theatre; the hall of representatives; the mint; the joint museum of the grand-ducal and national collections (natural history, archaeology, ethnology, art and a library of over 150,000 volumes); the palace of the heir-apparent, a late Renaissance building of 1891-1896; the imperial bank (1893); the national industrial hall, with an exhibition of machinery; the new law courts; and the hall of fine arts, which shelters a good picture gallery.
In 1641 threw off the supremacy of Spain and placed himself under the protectorate of France; he was compensated for the loss of Canosa, &c., with the duchy and peerage of Valentinois and various lesser lordships; and "duke of Valentinois" long continued to be the title of the heir-apparent of the principality.
The province is divided into a number of administrative sub-provinces or districts, each with a hakim, governor or sub-governor, under the governor-general, who under the Kajar dynasty has always been the heir-apparent to the throne of Persia, assisted by a responsible minister appointed by the shah.
A further outbreak of civil war, between the king and the heir-apparent, was averted in 1293 by the queen-consort Isabella of Portugal, who had married Diniz in 1281, and was canonized for her many virtues in the 16th century.
Matters went from bad to worse when persistent rumours were set in motion that Queen Draga had succeeded in persuading King Alexander to proclaim one of her two brothers heir-apparent to the throne.