Russian Museum  The State Russian Museum (), formerly the Russian Museum of His Imperial Majesty Alexander III (), on Arts Square in Saint Petersburg, is the world's largest depository of Russian fine art. It is also one of the largest art museums in the world with total area over 30 hectares. The museum was established on April 13, 1895, upon enthronement of the emperor Nicholas II to commemorate his father, Alexander III. Its original collection was composed of artworks taken from the Hermitage Museum, Alexander Palace, and the Imperial Academy of Arts. The task to restructure the interiors according to the need of future exposition was imposed on Vasily Svinyin. The grand opening took place on the 17 of March, 1898. After the Russian Revolution of 1917, many private collections were nationalized and relocated to the Russian Museum. These included Kazimir Malevich's "Black Square". The main building of the museum is the Mikhailovsky Palace, the Neoclassical former residence of Grand Duke Michael Pavlovich, erected in 1819–25 to a design by Carlo Rossi on Square of Arts in St Petersburg. Upon the death of the Grand Duke the residence was named after his wife as the "Palace of the Grand Duchess Elena Pavlovna", and became famous for its many theatrical presentations and balls. Some of the halls of the palace retain the Italianate opulent interiors of the former imperial residence. Other buildings and locations, assigned to the Russian museum, include the Summer Palace of Peter I (1710–14) with the Summer Garden, the Marble Palace of Count Orlov (1768–85), St Michael's Castle of Emperor Paul (1797–1801), the cabin of Peter the Great, and the Rastrelliesque Stroganov Palace on the Nevsky Prospekt (1752–54). The project of Benois Building (or 'Corpus Benua') was developed in 1910-1912 by the famous Russian architect Leon Benois. The construction started in 1914, but was interrupted by the First World War. After Russian revolution, in 1919 the Benois Building was completed. In 1930s it was assigned to the Russian museum. Today the collection shows Russian art from the 10th century up to the 21st century, covering all genres from the old Russian icon painting to contemporary art. The Ethnographic Department was originally set up in a building specially designed by Vladimir Svinyin in 1902. The museum soon housed gifts received by Emperor's family from representatives of peoples inhabiting various regions of the Russian Empire.