Hermitage Museum private mansions were nationalized and redistributed among major Soviet state museums. Particularly notable was the influx of old masters from the Catherine Palace, the Alexander Palace, the Stroganov Palace and the Yusupov Palace as well as from other palaces of Saint Petersburg and suburbs. In 1922, an important collection of 19th-century European paintings was transferred to the Hermitage from the Academy of Arts. In turn, in 1927 about 500 important paintings were transferred to the Central Museum of old Western art in Moscow at the insistence of the Soviet authorities. In the early 1930s, 70 more paintings were sent there.
Hermitage Museum the Winter Palace which he completed in 1766. Later it became the Southern Pavilion of the Small Hermitage. In 1767–1769, French architect Jean-Baptiste Vallin de la Mothe built the Northern Pavilion on the Neva embankment. Between 1767 and 1775, the extensions were connected by galleries, where Catherine put her collections. The entire neoclassical building is now known as the Small Hermitage. During the time of Catherine, the Hermitage was not a public museum and few people were allowed to view its holdings. Jean-Baptiste Vallin de la Mothe also rebuilt rooms in the second story of the south-east corner block that