Hermitage Museum museum acquired the collection of Cristoforo Barbarigo, including five more canvases by Titian. Today, all of the paintings but one ("Danaë") by Titian in the Hermitage Museum came to St. Petersburg from the Barbarigo collection. The New Hermitage was opened to the public on 5 February 1852. In the same year the Egyptian Collection of the Hermitage Museum emerged, and was particularly enriched by items given by the Duke of Leuchtenberg, Nicholas I's son-in-law. Meanwhile, in 1851–1860, the interiors of the Old Hermitage were redesigned by Andrei Stackensneider to accommodate the State Assembly, Cabinet of Ministers and state apartments. Stakenschneider
Hermitage Museum 1884 in Paris, Alexander III of Russia acquired the collection of Alexander Basilewski, featuring European medieval and Renaissance artifacts. In 1885, the Arsenal collection of arms and armour, founded by Alexander I of Russia, was transferred from the Catherine Palace in Tsarskoye Selo to the Hermitage. In 1914, Leonardo's "Benois Madonna" was added to the collection. Immediately after the Revolution of 1917 the Imperial Hermitage and Winter Palace, former Imperial residence, were proclaimed state museums and eventually merged. The range of the Hermitage's exhibits was further expanded when private art collections from several palaces of the Russian Tsars and numerous