Directory

1177 CE

Eystein Meyla, leader of the Birkebeiner in Norway, is killed. Sverre Sigurdson (Later, King Sverre I, of Norway) becomes the new leader. Treaty of Venice: Frederick I Barbarossa acknowledges Alexander III as Pope, after a diplomatic mediation by Venetian doge Sebastiano Ziani. Battle of Montgisard: Baldwin IV of Jerusalem and Raynald of Chatillon defeat Saladin.

Geopolitics & Diplomacy

  • August 1 – The Holy Roman Empire renounces any claims on the territory of Rome.source

Conflict & Security

  • November 25 – Battle of Montgisard: Baldwin IV of Jerusalem and Raynald of Chatillon defeat Saladin.source
  • A civil war breaks out in the Republic of Florence, between the Uberti Family and their consular opponent.source
  • The Cham sack the Khmer capital of Angkor. The date is disputed.source
  • During the winter, the Estonians attack Pskov.source
  • Casimir II overthrows his brother Mieszko III the Old, to become High Duke of Poland.source

Religion & Belief

  • March 16 – The Spanish Award is signed and witnessed by, among others, Robert III de Stuteville and John of Greenfordsource
  • March – Treaty of Venice: Frederick I Barbarossa acknowledges Alexander III as Pope, after a diplomatic mediation by Venetian doge Sebastiano Ziani.source
  • September 27 – Pope Alexander III sends a letter to Prester John, believing he is real.source
  • Puigcerdà is founded by Alfonso II of Aragon.source
  • possible date – Richard FitzNeal begins to write his treatise Dialogus de Scaccario ("Dialogue concerning the Exchequer") in England.source
  • Abbas Benedictus becomes abbot of Peterborough in England.source
  • Byland Abbey is established on its final site in Yorkshire, England, by the Cistercians.source
  • The union of Egypt and Syria under Sultan Saladin Yusuf ibn Ayyub, the foundation of the Ayyubid Sultanate.source

Health & Medicine

  • Roger de Moulins becomes Grand Master of the Knights Hospitaller.source

Crime & Justice

  • January – Eystein Meyla, leader of the Birkebeiner in Norway, is killed. Sverre Sigurdson (Later, King Sverre I, of Norway) becomes the new leader.source

Disasters & Accidents

  • Moscow is burned down by Gleb I, prince of Ryazan, and its inhabitants are killed.source
  • During the third year of the Angen era in Japan, a fire devastates Kyoto.source

Culture & Society

  • January 13 – Leopold V becomes Duke of Austria.source

Births

  • February/March – Philip of Swabia, rival of Otto IV, Holy Roman Emperor (d. 1208)source
  • August – Baldwin V, King of Jerusalem (d. 1186)source
  • Prithviraj Chauhan, Indian ruler of Ajmer (d. 1192)source
  • Sylvester Gozzolini, Italian founder of the Sylvestrines (d. 1267)source
  • Marie of Oignies, French beguin (d. 1213)source

Deaths

  • January 13 – Henry II, Duke of Austria (b. 1107)source
  • January – Eystein Meyla, leader of the Birkebeiner in Norway. (b. 1157)source
  • June – William of Montferrat, Count of Jaffa and Ascalon, father of Baldwin V of Jerusalem (b. early 1140s)source
  • probable – Hugh Bigod, 1st Earl of Norfolk (b. 1095)source