Hermitage Museum Andrew W. Mellon acquired 21 works of art from the Hermitage and later donated to form a nucleus of the National Gallery of Art in Washington, D.C. (see also Soviet sale of Hermitage paintings). With the German invasion of the Soviet Union in 1941, before the Siege of Leningrad started, two trains with a considerable part of the collections were evacuated to Sverdlovsk. Two bombs and a number of shells hit the museum buildings during the siege. The museum opened an exhibition in November 1944. In October 1945 the evacuated collections were brought back, and in November 1945 the museum
Hermitage Museum imperial collections were enriched by Greek and Scythian artifacts excavated within the Russian Empire. Between 1840 and 1843, Vasily Stasov redesigned the interiors of the Southern Pavilion of the Small Hermitage. In 1838, Nicholas I commissioned the neoclassical German architect Leo von Klenze to design a building for the public museum. Space for the museum was made next to the Small Hermitage by the demolition of the Shepelev Palace and royal stables. The construction was overseen by the Russian architects Vasily Stasov and Nikolai Yefimov in 1842–1851 and incorporated Quarenghi's wing with the Raphael Loggias. In 1851, in Venice the