Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Hallvard Bjørnarsson † | Bishop of Oslo, Norway |
| Born | Louis de Bar † | | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| Died | Giacomo da Firenze † | Bishop of Zaitun (Zeiton; Zaitoun), China |
| Died | Hugues , O.S.A. † | Bishop of Lectoure, France |
| Died | John † | Bishop of Dunkeld, Scotland, Great Britain |
| Died | Burkhard von Lindow-Ruppin † | Bishop of Havelberg, Germany |
| Died | Johannes von Sachsen-Lauenburg † | Bishop of Kammin (Camin), Germany |
| Died | Alexander Steward † | Bishop of Ross (Rosemarkie, Fortrose), Scotland, Great Britain |
| Died | John de Tatenhalk, O.P. † | Bishop of Ossory, Ireland |
| Born | Maciej z Trok † | | Bishop of Vilnius, Lithuania |
| Born | Friedrich von Aufseß (Aufsess) † | | Bishop Emeritus of Bamberg, Germany |
| Born | Konrad von Vechta † | | Archbishop Emeritus of Praha {Prague}, Czech Republic |
4 Jan | | Died | Johann von Isenburg † | Bishop of Meißen (Meissen), Germany |
14 Jan | | Appointed | Benedikt Ringstad, O.P. † | Bishop of Bjørgvin (Bergen), Norway |
16 Jan | | Appointed | Rainolfo de Monteruc † | Bishop of Sisteron, France | Bishop Emeritus |
30 Jan | | Appointed | Heinrich † | Bishop of Schleswig, Germany | Bishop of Ösell (Oesell) [Saare-Lääne], Estonia |
| Appointed | Dietrich von Man † | Bishop of Havelberg, Germany |
18 Feb | | Appointed | Marion del Giudice † | Bishop of Castellammare di Stabia, Italy | Cardinal, |
3 Mar | | Died | Aimery de Mons † | Bishop of Poitiers, France |
4 Mar | | Appointed | Thomas Brentingham † | Bishop of Exeter, England, Great Britain |
11 Mar | | Appointed | Guglielmo de Prato, O.F.M. † | Archbishop of Cambaluc (Peking, Khanbaliq), China |
17 Mar | | Ordained Bishop | William Courtenay † | Bishop of Hereford, England, Great Britain | Archbishop of Canterbury, England, Great Britain |
20 Mar | | Appointed | Cosmas , O.F.M. † | Administrator | Archbishop |
27 Mar | | Appointed | Kuno von Falkenstein † | Apostolic Administrator of Köln {Cologne}, Germany | Archbishop of Trier, Germany |
| Appointed | Jean de Maillac (Mailhaco), O.F.M. † | Bishop of Riez, France |
29 Mar | | Appointed | Bernardo Guascone, O.F.M. † | Bishop of Cervia, Italy |
3 Apr | | Appointed | Henry de Spencer † | Bishop of Norwich, England, Great Britain |
21 Apr | | Ordained Bishop | Henry de Spencer † | Bishop of Norwich, England, Great Britain |
24 Apr | | Died | Aymeric d’Hugues † | Bishop of Lodève, France |
12 May | | Ordained Bishop | Thomas Brentingham † | Bishop of Exeter, England, Great Britain |
| Appointed | Guy de Malsec † | Bishop of Lodève, France | Cardinal, Cardinal-Bishop of Palestrina |
27 May | | Ordained Bishop | Bernardo Guascone, O.F.M. † | Bishop of Cervia, Italy |
29 May | | Appointed | Philipp von Rehberg † | Bishop of Kammin (Camin), Germany |
| Appointed | Dietrich von Schönberg † | Bishop of Meißen (Meissen), Germany | Bishop-Elect |
31 May | 65.4 | Appointed | Philippe de Cabassole † | Cardinal, Cardinal-Bishop of Sabina |
7 Jun | 35.4 | Appointed | Pietro Corsini † | Cardinal-Priest of San Lorenzo in Damaso | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
35.4 | Elevated to Cardinal | Pietro Corsini † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
50.4 | Appointed | Pierre d’Estaing, O.S.B. † | Cardinal-Priest of Santa Maria in Trastevere | Cardinal-Bishop of Ostia (e Velletri) |
50.4 | Elevated to Cardinal | Pierre d’Estaing, O.S.B. † | Cardinal-Bishop of Ostia (e Velletri) |
8 Jun | | Appointed | Bernard de Castelnau, O.S.B. † | Bishop of Saint-Papoul, France |
| Appointed | Pierre de Cros, O.S.B. † | Archbishop of Bourges, France | Former Administrator of Arles, France |
19 Jun | | Appointed | Angelo Ricasoli † | Bishop of Firenze, Italy | Bishop of Arezzo, Italy |
Jul | | Died | Dietrich von Schönberg † | Bishop-Elect of Meißen (Meissen), Germany |
1 Jul | | Appointed | Nicolas Marciari † | Bishop of Fermo, Italy | Bishop of Orvieto, Italy |
19 Aug | | Appointed | Amaury de Lautrec, C.R.S.A. † | Bishop of (Saint-Lizier de) Couserans (or Conserans), France | Cardinal, Administrator of (Saint-Bertrand de) Comminges, France |
25 Aug | | Died | Henri de Poitiers † | Bishop of Troyes, France |
20 Sep | | Appointed | Jean de Braque † | Bishop of Troyes, France |
| Appointed | Berenguer de Eril, O.S.B. † | Bishop of Urgell, Spain |
24 Sep | | Died | Gervas de Castro † | Bishop of Bangor, Wales, Great Britain |
2 Oct | | Appointed | Jean de Revaillon † | Bishop of Sarlat, France |
3 Oct | | Appointed | Juan Sierra † | Bishop of Segovia, Spain |
21 Oct | | Appointed | Vignier de Manhaudo † | Bishop of Lectoure, France |
Nov | | Resigned | Kuno von Falkenstein † | Apostolic Administrator of Köln {Cologne}, Germany | Archbishop of Trier, Germany |
13 Nov | | Appointed | Konrad von Kirchberg-Wallhausen † | Bishop of Meißen (Meissen), Germany |
22.8 | Appointed | Friedrich von Saarwerden † | Archbishop of Köln {Cologne}, Germany |
30 Nov | | Died | Geoffroy Le Meingre † | Bishop of Laon, France |
Dec | | Died | Guglielmo Pusterla † | Archbishop of Milano {Milan}, Italy |
4 Dec | | Died | Pierre d’Estiron † | Bishop of Oloron (Oloron-Sainte-Marie), France |
19 Dec | 60.9 | Died | Bl. Guillaume Grimoard, O.S.B. † | Pope (Roma {Rome}, Italy) |
30 Dec | 41.9 | Elected | Pierre Roger de Beaufort † | Pope (Roma {Rome}, Italy) |