King Seongjong of Goryeo was the ninth king of the Goryeo Dynasty, ruling from 981 to 997. He is known for his efforts to strengthen the central government and promote Confucianism, which helped to stabilize the kingdom. His reign is often considered a period of cultural and political development in Korea. Seongjong implemented various reforms, including the establishment of a civil service examination system to select government officials based on merit. He also supported the arts and education, leading to advancements in literature and philosophy during his time. His leadership contributed to the legacy of the Goryeo Dynasty.