Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Ugolino Acquaviva † | Bishop of Cagli, Italy |
| Died | Albin † | Bishop of Brechin, Scotland, Great Britain |
| Died | Richard Anglicus † | Bishop of Avranches, France |
| Appointed | Avveduto † | Archbishop of Monreale, Italy |
| Appointed | Lope Díaz de Haro † | Bishop of Sigüenza, Spain |
| Appointed | Erlendur † | Bishop of Faröe Islands, Denmark |
| Appointed | Andrea Gausoni † | Archbishop of Dubrovnik (Ragusa), Croatia | Former Archbishop-Elect |
| Died | Giovanni Stephani † | Bishop of Cefalů, Italy |
| Died | Henry † | Bishop of Orkney (Kirkwall), Scotland, Great Britain |
| Appointed | Simone da Lentini, O.P. † | Bishop of Siracusa, Italy |
| Died | Giacomo Maltraga † | Bishop of Orvieto, Italy |
| Appointed | Walter O’Mitchian, O.F.M. † | Bishop of Ross, Ireland |
| Appointed | Pellegrino † | Bishop of Castro di Puglia, Italy |
| Died | Abril Pérez Peláez † | Bishop of Urgell, Spain |
| Appointed | Konrad von Rietberg † | Bishop of Osnabrück, Germany |
| Appointed | Raoul de Thieuville † | Bishop of Avranches, France |
| Appointed | Árni Þorláksson † | Bishop of Skálholt, Iceland |
| Died | Trasmundo † | Archbishop of Monreale, Italy |
| Appointed | Fulcherio di Zuccola, O.F.M. † | Bishop of Concordia (Sagittaria), Italy |
4 Jan | | Died | Guillaume di Traisnel † | Bishop-Elect of Metz, France |
12 Jan | | Appointed | John Breton † | Bishop of Hereford, England, Great Britain |
9 Feb | | Appointed | Eudes de Rougemont † | Archbishop of Besançon, France |
Mar | | Died | Anthelme de Clermont † | Bishop of Saint-Jean-de-Maurienne, France |
1 Mar | | Died | Domingo de Sola † | Bishop of Huesca, Spain |
23 Mar | | Died | Pedro Yáńez (or Ibáńez) † | Bishop of Oviedo, Spain |
24 Apr | | Died | Nicolas de Brie † | Bishop of Troyes, France |
4 May | | Died | Gerhard von Hoya † | Bishop of Verden, Germany |
30 May | | Ordained Bishop | Árni Þorláksson † | Bishop of Skálholt, Iceland |
2 Jun | | Ordained Bishop | John Breton † | Bishop of Hereford, England, Great Britain |
Jul | | Appointed | Jean de Nanteuil † | Bishop of Troyes, France |
24 Jul | | Appointed | Ponce de Sissey † | Bishop of Chalons-sur-Saône, France |
28 Aug | | Died | Juan Villahoz † | Bishop of Burgos, Spain |
8 Sep | 79.6 | Died | Gregorio de Montelungo † | Patriarch of Aquileia, Italy |
Oct | | Appointed | Fernando Martínez † | Bishop of Oviedo, Spain | Bishop-Elect |
12 Oct | | Died | Guy de Sennecey † | Bishop of Chalons-sur-Saône, France |
21 Oct | | Died | Enrico † | Bishop of Lucca, Italy |
30 Oct | | Died | Tommaso Ubaldini † | Bishop of Imola, Italy |
Nov | | Ordained Bishop | Raoul de Thieuville † | Bishop of Avranches, France |
3 Nov | | Appointed | Pedro de Urgio † | Bishop of Urgell, Spain |
15 Nov | | Died | Geoffroi Freslon † | Bishop of Le Mans, France |
29 Nov | | Died | Raoul de Chevričres † | Bishop of Évreux, France |
29 Dec | | Ordained Bishop | Pedro de Urgio † | Bishop of Urgell, Spain |