Information: - The Soviet Union, officially the Union of Soviet Socialist Republics (USSR " ) was a socialist state in Eurasia that existed from 1922 to 1991. A union of multiple subnational republics, its government and economy were highly centralized. The Soviet Union was a one-party federation, governed by the Communist Party with Moscow as its capital. - Mikhail Afanasyevich Bulgakov (, ; 10 March 1940) was a Russian writer, physician and playwright active in the first half of the 20th century. He is best known for his novel "The Master and Margarita", which has been called one of the masterpieces of the 20th century. - The Master and Margarita is a novel by Mikhail Bulgakov, written between 1928 and 1940, but unpublished in book form until 1967. The story concerns a visit by the devil to the fervently atheistic Soviet Union. Many critics consider it to be one of the best novels of the 20th century, as well as the foremost of Soviet satires. - Mikhail Afanasyevich Bulgakov ( / blkf / ; Russian : , pronounced ( mxil fnasjvt blakf ) ; May 15 ( O.S. May 3 ) 1891 -- March 10 , 1940 ) was a Russian writer and playwright active in the first half of the 20th century . He is best known for his novel The Master and Margarita , which has been called one of the masterpieces of the 20th century . What is the relationship between 'mikhail bulgakov' and '10 march 1940'?
A:
date of death