I. Svyatopolk was born in 980. Svyatopolk became the chief of the Principality of Kiev in 1015.
Svyatopolk is a very successful commander. Svyatopolk agreed with the Byzantine Empire to attack the Caspian State. And Svyatopolk launched an attack on the Caspian State. This war lasted 3 years. And Svyatopolk won this war. Svyatopolk conquered many parts of the Caspian state after this war. Svyatopolk also took prisoner the Caspian king.
But Svyatopolk died in 1019 very soon after this successful war.