Pedro I of León was a king who ruled the Kingdom of León in the early 10th century. He was known for his efforts to strengthen the kingdom and maintain its independence during a time of conflict with the Muslim states in the Iberian Peninsula. His reign is often marked by military campaigns aimed at defending and expanding his territory. Pedro I was also notable for his support of the Christian church, which played a significant role in the cultural and political life of León. His leadership contributed to the development of the region, laying the groundwork for future rulers in the Kingdom of León.