This is a historical timeline of Portugal.
Second County of Portugal
11th century
1077 - Alfonso VI of León and Castile proclaims himself Emperor of all Spains. 1080 Coimbra is again a diocese. Count Sisnando Davides of Coimbra takes part in the invasion of Granada. 1085-1096 - The Order of Cluny is established in Portugal. 1086 Several Muslim Emirs (namely Abbad III al-Mu'tamid) ask the Almoravids leader Yusuf ibn Tashfin for help against Alfonso VI of León and Castile. In this year Yusuf ibn Tashfin passed the straits to Algeciras and inflicted a severe defeat on the Christians at the Battle of az-Zallaqah (North of Badajoz). He was debarred from following up his victory by trouble in North Africa which he had to settle in person. Raymond of Burgundy, son of William I, Count of Burgundy, comes to Iberia for the 1st time to fight against the Moors, bringing with him his younger cousin Henry of Burgundy, grandson of Robert I, Duke of Burgundy. 1090 Almoravid Yusuf ibn Tashfin return to Iberia and conquers all the Taifas. Raymond of Burgundy and Henry of Burgundy come to Iberia for the 2nd time. 1091 Count Sisnando Davides of Coimbra dies. Alfonso VI of León and Castile gives his daughter Urraca of Castile in marriage to Raymond of Burgundy together with the fiefdom of Galicia. The Taifa of Mértola falls to the Almoravids. 1094 Alfonso VI of León and Castile grants Raymond of Burgundy the government of Portugal and Coimbra. Henry of Burgundy marries Alfonso VI of León and Castile's illegitimate daughter Teresa of León. Almoravid Sir ibn Abi Bakr takes Badajoz and Lisbon. Fall of the Taifa of Badajoz. 1096 Raymond of Burgundy and Henry of Burgundy sign a treaty whereby Henry promises to recognize Raymond as king upon the death of Alfonso VI of Castile, receiving in exchange the Kingdom of Toledo or of Portugal. 1096 Establishment of the 2nd County of Portugal (Condado Portucalense), by Count Henry of Burgundy. The Almoravids take Santarém. 1097 - Yusuf ibn Tashfin assumes the title of Amir al Muslimin (Prince of the Muslims).