1177

Template:Use mdy dates Template:About year Template:Year nav Template:C12 year in topicYear 1177 (MCLXXVII) was a common year starting on Saturday of the Julian calendar.

Events

January–December

• January – Eystein Meyla, leader of the Birkebeiner in Norway, is killed. Sverre Sigurdson (Later, King Sverre I, of Norway) becomes the new leader.<ref name=":0">Template:Cite book</ref>
• January 13 – Leopold V becomes Duke of Austria.<ref>Template:Cite book</ref>
• March – Treaty of Venice: Frederick I Barbarossa acknowledges Alexander III as Pope, after a diplomatic mediation by Venetian doge Sebastiano Ziani.<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• March 16 – The Spanish Award is signed and witnessed by, among others, Robert III de Stuteville and John of Greenford<ref>Template:Cite book</ref><ref>Template:Cite journal</ref>
• August 1 – The Holy Roman Empire renounces any claims on the territory of Rome.<ref>Template:Cite book</ref>
• September 27 – Pope Alexander III sends a letter to Prester John, believing he is real.<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• November 25 – Battle of Montgisard: Baldwin IV of Jerusalem and Raynald of Chatillon defeat Saladin.<ref>Template:Cite book</ref>

Date unknown

• During the third year of the Angen era in Japan, a fire devastates Kyoto.<ref>Template:Cite book</ref>
• During the winter, the Estonians attack Pskov.<ref>Template:Cite journal</ref>
• Casimir II overthrows his brother Mieszko III the Old, to become High Duke of Poland.<ref>Template:Cite book</ref>
• The Cham sack the Khmer capital of Angkor. The date is disputed.<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• Moscow is burned down by Gleb I, prince of Ryazan, and its inhabitants are killed.<ref>Template:Cite book</ref>
• A civil war breaks out in the Republic of Florence, between the Uberti Family and their consular opponent.<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• Puigcerdà is founded by Alfonso II of Aragon.<ref>Template:Cite book</ref>
• Byland Abbey is established on its final site in Yorkshire, England, by the Cistercians.<ref>Template:Cite book</ref>
• Abbas Benedictus becomes abbot of Peterborough in England.<ref>Template:Cite book</ref>
• Roger de Moulins becomes Grand Master of the Knights Hospitaller.<ref>Template:Cite book</ref>
• possible date – Richard FitzNeal begins to write his treatise Dialogus de Scaccario ("Dialogue concerning the Exchequer") in England.<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• The union of Egypt and Syria under Sultan Saladin Yusuf ibn Ayyub, the foundation of the Ayyubid Sultanate.

Births

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

Deaths

• January 13 – Henry II, Duke of Austria (b. 1107)<ref>Template:Cite book</ref>
• January – Eystein Meyla, leader of the Birkebeiner in Norway. (b. 1157)<ref name=":0" />
• June – William of Montferrat, Count of Jaffa and Ascalon, father of Baldwin V of Jerusalem (b. early 1140s)<ref>Template:Cite book</ref><ref>Template:Cite book</ref>
• probable – Hugh Bigod, 1st Earl of Norfolk (b. 1095)<ref>Template:Cite book</ref>