Alfonso 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 the establishment of Portugal as a separate kingdom, leading military campaigns against the Moors and expanding his territory. His efforts laid the foundation for the future growth of the nation. Afonso was born in 1109 and became a nobleman before declaring himself king. He was recognized by the Pope in 1179, which solidified his authority. His reign is marked by significant political and military achievements that shaped the early history of Portugal.