Konstantin Porphyrogennetos (905-959 AD) was a Byzantine Emperor who ruled from 913 to 959 AD. He was a member of the Macedonian dynasty and is considered one of the most important Byzantine emperors of the 10th century.
: This "manual of governance" provided his son and successor, Romanos II , with strategic advice on foreign policy. It contains vital ethnographic information about the Serbs , Croats , Magyars , and Rus' . konstantin porfirogenet
Written between 948–952, this manual was addressed to his son, the future Romanos II. It is a geopolitical handbook on foreign policy. Key features: and Rus' . Written between 948–952