The letters written by Theodore Daphnopates, a high Byzantine dignitary, and sent to Bulgarian Tsar Symeon (r. 893–927; d. May 27, 927) on behalf of the Emperor Romanos I Lekapenos 920–944; June 29, 948) in final phase prolonged Byzantine-Bulgarian war 913–927, are well known. Daphnopates’ correspondence has encouraged, will probably continue encourage, research activity due its focus both aspec...