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 cats 2007, the museum began adopting cats needing homes. In 2011, the museum began a "Catfest", a celebration of its cat population. "Catfest" has included cat painting contests and scavenger hunts for children. Beginning in 2015, because of the number of visiting tourists, a website has been set up by the museum for people who may be interested in adopting a cat. “It is an honor to adopt a Hermitage cat,” one potential cat owner was told. Other cats kept to deter mice in public buildings include: Hermitage cats The Hermitage cats () are a group of cats residing in the