who helped the rise of orthodox christianity in russia by converting to the religion
Princess Olga of Kiev
-1
Section::::Christianization of the Rus'. The Kievan period.

History of the Russian Orthodox Church
10649428
Vladimir I ( c. 956 - 1015 ) prince of Kiev
4833701024225618492
NONE
Section::::Christianization of the Rus'. The Kievan period.

History of the Russian Orthodox Church
10649428