Afonso I of Portugal, also known as Afonso Henriques, was the first King of Portugal, reigning from 1139 to 1185. He played a crucial role in establishing Portugal as an independent nation, breaking away from the Kingdom of León. Afonso was a skilled military leader, known for his conquests against the Moors and his efforts to expand his territory. Afonso's reign marked the beginning of the Portuguese monarchy and laid the foundation for the country's future. He was canonized as a saint by the Catholic Church after his death, reflecting his significant impact on both Portuguese history and the Christian faith in the region.