Complex sentence: Peter or Pyotr Parfenovich Vladimirov (1905-10 September 1953) is best known for "The Vladimirov Diaries", in which he recounted the events in Yenan during the Second World War, particularly information on Mao Zedong.
Split into simpler sentences: Peter or Pyotr Parfenovich Vladimirov (1905-10 September, 1953). He is best known for "The Vladimirov Diaries", in which he recounted the events and happenings in Yenan during the Second World War, particularly information on Mao Zedong.