Mona Lisa two years, Peruggia grew impatient and was caught when he attempted to sell it to directors of the Uffizi Gallery in Florence. It was exhibited in the Uffizi Gallery for over two weeks and returned to the Louvre on 4 January 1914. Peruggia served six months in prison for the crime and was hailed for his patriotism in Italy. Before its theft, the "Mona Lisa" was not widely known outside the art world. It was not until the 1860s that some critics, a thin slice of the French intelligentsia, began to hail it as a masterwork of Renaissance painting. In
Paris during the Bourbon Restoration The Musée du Luxembourg had been the first public art gallery in Paris, displaying works from the royal collection, and then a showcase of art by Jacques-Louis David and other painters of the Empire. It re-opened 24 April 1818 as a museum for the work of living artists. Another new gallery, the Musée Dauphin, opened within the Louvre on 27 November 1827. The dominant style of art gradually changed from neoclassicism to romanticism. Jacques-Louis David was in exile in Brussels, but Antoine Gros, who had painted portraits of Napoleon's court, made a new career painting the portraits of the restored