1026 Aragon he conquered Castile after the murder of his brother-in-law, the Count Garcia
1034 and won the eastern portion of Leon as far as the river Cea from Bermudo III. His second son Ferdinand married Bermudo’s sister and heiress, and eventually became sovereign of Leon and Castile (1037). The lordship of Ribagorza was also among Sancho’s acquisitions.
1035 Garcia III inherits Navarre and a small district on the south bank of the Ebro, while the rest of the dominions of Sancho the Great are divided among the latter’s other sons. Ramiro, to whom Aragon had fallen, invades Navarre as Garcia is on a pilgrimage to Rome, but is driven back. Garcia then aids Ferdinand, who has succeeded
1037 to Castile, to triumph over Bermudo III of Leon. But when the latter’s defeat and death give Ferdinand the kingdom of Leon, Garcia turns against his brother and allies himself with the emirs of Saragossa and Tudela.
1054 Battle of Atapuerca. Garcia and his allies defeated and Garcia slain by Ferdinand, who annexes the Navarrese possessions south of the Ebro. Sancho III.
1076 Murder of Sancho by his brother Raymond and his sister Ermesinda. The murderers expelled from the kingdom. The kings of Aragon and Leon dispute for the crown of Navarre. The king of Leon annexes Rioja. The king of Aragon becomes king of Navarre under the name of Sancho (IV) Ramirez.
1094 Pedro (Pedro I of Aragon).
1104 Alfonso (Alfonso I of Aragon). On his death without issue the Navarrese refuse to recognise his will bequeathing his kingdom to the knightly orders of St. John and the Temple, and elect
1134 Garcia (IV) Ramirez, a member of the old royal house of Navarre, while the Aragonese prefer Alfonso’s brother, Ramiro (I) the Monk. Alfonso (VII) Raymond of Castile and Leon, who assumes the title of emperor of all Spain, receives the homage of Garcia and Ramiro. Garcia becomes a feudatory of Ramiro. Alliance between Garcia and Alfonso, count of Portugal, against Alfonso Raymond. Alfonso Raymond invades Navarre. Garcia acknowledges his supremacy.
1140 Alfonso Raymond makes alliance with Aragon for the partition of Navarre and again invades it, while Garcia invades Aragon. After both have won successes, Alfonso and Garcia make peace.