Time Line of Anglo-Portuguese Relations

  • 1147

    English Crusaders who had gathered and embarked in Dartmouth on their way to what historians later called the 2nd Crusade, were persuaded by the Bishop of Oporto to help the young Portuguese King D. Afonso Henriques in the conquest of Lisbon. The only extensive account of the siege and conquest of Lisbon from the Moors is a letter by (or to) an English priest Osbern.

  • 1147

    First bishop of Lisbon is Gilbert of Hastings and the basilica of Mártires in the Chiado area of Lisbon is dedicated to the English Crusaders who fell in the siege. The English Sarum rite for the liturgy of the Mass was introduced which continued until 1536. Gilbert of Hastings died in 1166. He was buried in the Cathedral but his tomb is now lost.

  • 1189

    English Crusaders join in the siege of Silves and behave "with the utmost ferocity".

  • 1217

    English Crusades help with the conquest of Alcácer do Sal.

  • 1372

    The Treaty of Tagilde. Signed near Braga between D. Fernando of Portugal and Edward III regarding his son John of Gaunt’s ambitions to become king of Castille.

  • 1373

    A Treaty between Portugal and England. D. Fernando, last of the Burgundy dynasty, was king of Portugal and Edward III, king of England. It was signed in St. Paul’s Cathedral. It covered strategic, economic and commercial matters and referred to “perpetual friendship”. It is the start of the existing “Oldest Alliance” in Europe.

  • 1378

    Philippa of Lancaster (1359-1415), daughter of John of Gaunt (1340-1399) nominated as Lady of the Garter by Edward III. She attended her father’s funeral in 1399.

  • 1381

    Earl of Cambridge, brother of John and Gaunt and son of Edward IV comes to Lisbon

  • 1385

    Battle of Aljubarrota fought between Portugal and Castille near the monastery of Batalha called this name due precisely to the battle won by Portugal with the help of English archers with experience from Fance in what was to called the 100 year war.

  • 1386

    Treaty of Windsor signed between D. João I and Richard II of England. In effect reformalizes the contents of the 1373 Treaty strengthening the legitimacy of D. João as king.