Saint Olga was a prominent figure in the history of Kievan Rus', known for her role as the regent of Kyiv in the 10th century. She was the widow of Prince Igor and became the first female ruler of the region. Olga is recognized for her diplomatic skills and efforts to strengthen the state, including her conversion to Christianity, which laid the groundwork for the future Christianization of the area. Her legacy is celebrated in the Eastern Orthodox Church, where she is venerated as a saint. Saint Olga is often remembered for her intelligence and resilience, as well as her significant contributions to the development of Ukrainian and Russian history.