Olga of Pskov

Olga of Pskov, also known as Saint Olga, was a significant figure in the early Christianization of Kievan Rus'. As the grandmother of Vladimir the Great, she played a crucial role in promoting Christianity in the region during the 10th century. Olga is celebrated for her intelligence, political acumen, and efforts in establishing a Christian state, making her a revered saint in the Orthodox Church.