The birth of Portugal the retaken one of the peninsula was sufficiently slow and gradual and originated the sprouting of small kingdoms. These went being widened to the measure reconquers that it was successful. First it was the Kingdom of the Astrias, that would come to divide itself enters the children of Alfonso III, when died. Thus the kingdoms of Lion and Castile had been born and, after that, of Navarrese, Arago and Galiza. Later, Alfonso VI of Lion and Castile, autodenominado Emperor of all Spain, delivered, for merit, to its son-in-law D.
Enrique de Borgonha, the government of the Portucalense County. Of this county, that still made part of the kingdom of Lion, but that of it had the great independence, the kingdom of Portugal would be born. D. Enrique governed in the direction to obtain a complete autonomy for its county and left a much more free portucalense land of what that one that receives. For death of D. Enrique, in 1112, succeeded it to it widower D.
Teresa, during the minority of the son Alfonso Enriques, been born in 1111. It fortified the portucalense life and thought to obtain independence for the county. She started in 1121 to call itself ‘ ‘ Rainha’ ‘ , but the many conflicts diplomatists and the influence granted to some Galician noblemen, mainly the Ferno Peres in the management of the public affairses harmed its effort. To catorze years of age, in 1125, the young Alfonso Enriques armed it itself proper knight, according to custom Dos Reis, becoming thus warlike independent. The position of favoritism of D. Teresa in relation to the Galician noblemen and the indifference stops with the nobles and portucalenses ecclesiastics originated the revolt of these, under command of its son, D. Alfonso Enriques.