1176

January–December

• January - The Assize of Northampton is enacted in England.
• May 22 - The Hashshashin attempt to murder Saladin near Aleppo.
• May 29 - Battle of Legnano: Frederick I, Holy Roman Emperor, is defeated by the Lombard League, leading to the pactum Anagninum.
• September 17 - Battle of Myriokephalon: The Seljuq Turks defeat the Byzantine Emperor Manuel I Komnenos.
• December - An international bardic festival at Cardigan Castle, Wales, the first recorded eisteddfod.

  Date unknown

• Al-Adil I, the Muslim ruler of Egypt, suppresses a revolt by the Christian Copts in the city of Qift, hanging nearly 3,000 of them on the trees around the city.
• Raynald of Châtillon is ransomed from prison in Aleppo.
• Construction begins on a stone-built London Bridge.
• Unkei completes his Dainichi Nyorai statue, now a National Treasure of Japan.
• Sens Cathedral installs an horologe, presumed to be an early form of clock.
• The Carthusians are approved as a religious order.

  Births

• Henry de Bohun, 1st Earl of Hereford
• Leopold VI, Duke of Austria
• William Longespée, 3rd Earl of Salisbury
• Anna Komnene Angelina, empress consort of Nicaea

  Deaths

• April 18 - Saint Galdino della Sala, Italian archdeacon
• April 20 - Richard de Clare, 2nd Earl of Pembroke, English soldier
• May 13 - Matthias I, Duke of Lorraine
• August 23 - Emperor Rokujō of Japan
• October 12 - William d'Aubigny, 1st Earl of Arundel, English politician
• November 5 - Diego Martínez de Villamayor, Castilian nobleman
• date unknown - Margrethe of Roskilde, Danish local saint
• probable
• *Rosamund Clifford, mistress of Henry II of England
• *Michael Aspietes, Byzantine general