St. Pelagius of León was a Christian martyr who lived during the early 9th century in Spain. He is known for his steadfast faith and refusal to renounce Christianity despite facing persecution from the Moors. His bravery and commitment to his beliefs made him a significant figure in the history of the Christian church in the region. Pelagius was captured and tortured for his faith, ultimately leading to his execution. He is venerated as a saint in the Roman Catholic Church and is celebrated for his role in inspiring others to remain faithful during times of adversity. His feast day is observed on March 26.