Date | Age | Event | Bishop | Title | Current Title |
unknown | | Born | Matteo d’Acquasparta, O.F.M. † | | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| Appointed | Bergsven † | Bishop of Faröe Islands, Denmark |
| Appointed | Guglielmo Braida † | Bishop of Alba (Pompea), Italy |
| Appointed | Vidal de Canellas † | Bishop of Huesca, Spain |
| Appointed | Martino da Colorno † | Bishop of Parma, Italy |
| Died | Etienne † | Bishop of Tréguier, France |
| Died | Fernando † | Bishop of Évora, Portugal |
| Appointed | Lope Fitero † | Bishop of Córdoba, Spain |
| Appointed | Amédée di Miribel † | Bishop of Saint-Jean-de-Maurienne, France |
| Resigned | Guillem de Montgrí † | Archbishop-Elect of Tarragona, Spain | Former Archbishop-Elect |
| Died | Giolla-Issa MacScelaigh O’Tormaigh † | Bishop of Ardagh (and Clonmacnois), Ireland |
| Appointed | Volkard von Neuburg † | Bishop of Chur, Switzerland |
| Appointed | Opizo † | Bishop of Acci (Accia), France |
| Appointed | Siegfried von Öttingen † | Bishop of Bamberg, Germany |
| Appointed | Pandolfo (Rudolfo) † | Bishop of Mariana, France |
| Died | Juan Pérez † | Bishop of Calahorra y La Calzada, Spain |
| Died | Pierre Raymond † | Bishop of Lodève, France |
| Died | Stenar † | Bishop of Skara, Sweden |
| Died | Thomas † | Bishop of Down, Ireland |
| Died | Bl. Villano , O.S.B. † | Bishop of Gubbio, Italy |
| Born | Munio Zamora, O.P. † | | Bishop Emeritus of Palencia, Spain |
21 Jan | 52.0 | Appointed | Konrad von Eberstein † | Bishop of Speyer, Germany |
13 Feb | | Appointed | Géraud Barasc † | Bishop of Cahors, France |
14 Feb | | Appointed | Aimeric Guerry (de Rives) † | Archbishop of Lyon, France | Archbishop Emeritus |
16 Mar | 76.2 | Died | Guþmundur Góþi Arason † | Bishop of Hólar, Iceland |
15 Apr | | Died | Richard le Poor † | Bishop of Durham, England, Great Britain |
3 May | | Ordained Bishop | Walter Cantilupe † | Bishop of Worcester, England, Great Britain |
9 May | | Ordained Bishop | Lope Fitero † | Bishop of Córdoba, Spain |
10 May | | Confirmed | Bernhard Kaplíř ze Sulevic (Buchard) † | Bishop of Praha, Czechia |
| Ordained Bishop | Bernhard Kaplíř ze Sulevic (Buchard) † | Bishop of Praha, Czechia |
| Ordained Bishop | Opizo † | Bishop of Acci (Accia), France |
16 May | | Ordained Bishop | Guercio Tebalducci † | Bishop of Lucca, Italy |
5 Jun | | Died | Ekbert von Andechs-Meranien † | Bishop of Bamberg, Germany |
12 Jun | | Appointed | Agnello , O.F.M. † | Bishop of Marrakesh, Morocco |
17 Jun | | Died | Ulrich von Kyburg † | Bishop of Chur, Switzerland |
29 Jun | | Died | Heinrich von Ravensburg † | Bishop of Eichstätt, Germany |
3 Jul | | Appointed | Richard † | Bishop of Bangor, Wales, Great Britain |
29 Jul | | Resigned | Estevão Gomes † | Bishop-Elect of Lisboa, Portugal | Former Bishop-Elect |
Aug | | Appointed | Robert de Cressonsacq † | Bishop of Beauvais, France |
29 Aug | | Appointed | Friedrich von Parsberg † | Bishop of Eichstätt, Germany |
28 Sep | 57.7 | Died | Jean Halgrin, O.S.B. † | Cardinal, Cardinal-Bishop of Sabina |
Oct | | Confirmed | David MacKelly, O.P. † | Bishop of Cloyne, Ireland | Archbishop of Cashel, Ireland |
| Died | Donatus O’Fidabra † | Archbishop of Armagh, Ireland |
Nov | | Died | Godefroid de Fontaines † | Bishop of Cambrai, France |
| Appointed | Boson de Gradetsch (Grange) † | Bishop of Sion {Sitten}, Switzerland |
17 Nov | | Appointed | Brendan † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland | Bishop Emeritus |
4 Dec | | Appointed | Juan Domínguez de Medina † | Bishop of León, Spain | Bishop of Burgos, Spain |