High Quality Content by WIKIPEDIA articles! Valentin Andreyevich Trifonov (1888-1938) was one of the leaders of Cossack revolutionary forces who played a major role in establishment of Soviet rule in the Don Voisko Province. His son Yury Trifonov became one of the most popular Soviet writers. Born into a Cossack family, Trifonov joined the Bolshevik faction of the Russian Social Democratic Labour Partyin 1904 and participated in the Russian Revolution of 1905. He was many times arrested by tsarist authorities and exiled to katorga. Prior to the October Revolution, he served as a secretary of the Bolshevik faction in the Petrograd Soviet.