c.885 - 969
Ruler of Kiev
Olga was the widow of Prince Igor I, who was assassinated by his subjects. Olga became regent of the principality of Kiev from 945 to 964.
Olga concluded a
trade agreement with Byzanz and opened the Russian state to Christian influence
after her own babtism. Her grandson, Vladimir I, made Christianity a state
religion; together they mark the transition between pagan and Christian Russia.