Date | Age | Event | Bishop | Title | Current Title |
unknown | | Appointed | Antoine , O.F.M. † | Bishop of Sagone (Sagona), France |
| Died | Arnaldo † | Bishop of Sigüenza, Spain |
| Ordained Bishop | John de Ballyconingham † | Bishop of Down, Ireland | Bishop of Cork, Ireland |
| Died | Ferquhard (Forcan) Belegaumbe (Belleganach) † | Bishop of Caithness, Scotland, Great Britain |
| Appointed | Arnaud-Roger de Comminges, C.R.S.A. † | Bishop of Clermont, France |
| Died | Roselinn des Baux, O.F.M. † | Bishop of Riez, France |
| Died | Raimond d’Oppède † | Bishop of Sisteron, France |
| Died | Odon de Sala, O.P. † | Titular Patriarch of Alexandria {Alessandria} |
| Died | Guido Farnese † | Bishop of Orvieto, Italy |
| Appointed | Godefroid Fazari † | Bishop of Mileto, Italy |
| Ordained Bishop | Godefroid Fazari † | Bishop of Mileto, Italy |
| Died | John de Kininmund † | Bishop of Brechin, Scotland, Great Britain |
| Died | William de Lamberton † | Bishop of Saint Andrews, Scotland, Great Britain |
| Ordained Bishop | Pierre de Lapeirarede (Piret), O.P. † | Bishop of Mirepoix, France |
| Born | Pedro Martínez de Luna y Pérez de Gotor † | | Cardinal, Bishop |
| Died | Aubert de Montaigu † | Bishop of Clermont, France |
| Died | Pierre , O.S.A. † | Archbishop of Reggio Calabria, Italy |
| Died | Pierre de Rochefort † | Bishop of Langres, France |
Jan | | Appointed | Pierre de Mortemart (Gauvain) † | Cardinal-Priest of Santi Marcellino e Pietro | Cardinal, Cardinal-Priest of Santo Stefano al Monte Celio |
1 Jan | | Ordained Bishop | Benedetto d’Asinago, O.P. † | Bishop of Como, Italy |
3 Jan | 81.0 | Died | Giovanni di Montecorvino, O.F.M. † | Archbishop of Cambaluc (Peking, Khanbaliq), China |
4 Jan | 27.0 | Appointed | Élie Talleyrand de Périgord † | Bishop of Auxerre, France | Cardinal, Cardinal-Bishop of Albano |
7 Jan | 51.0 | Appointed | Bl. Roger Le Fort † | Bishop of Limoges, France | Archbishop of Bourges, France |
10 Jan | | Ordained Bishop | Bertrand de La Chapelle † | Archbishop of Vienne, France |
15 Jan | | Appointed | Vasco Martins † | Bishop of Porto, Portugal | Bishop of Lisboa, Portugal |
26 Jan | | Appointed | David † | Bishop of Caithness, Scotland, Great Britain |
| Died | Anian Seys † | Bishop of Bangor, Wales, Great Britain |
27 Jan | | Appointed | Guillaume de Cardaillac, O.S.B. † | Bishop of Saint-Papoul, France |
28 Feb | | Ordained Bishop | Pere de Portell, O.P. † | Bishop of Ploaghe, Italy |
| Selected | Matthew Englefield † | Bishop of Bangor, Wales, Great Britain |
29 Feb | | Died | André de Frédol, O.S.A. † | Bishop of Maguelonne, France |
9 Mar | | Died | David Martin † | Bishop of Saint David’s, Wales, Great Britain |
14 Mar | | Appointed | Jean de Vissec † | Bishop of Maguelonne, France |
15 Mar | | Died | Pierre de Latili † | Bishop of Chalons-sur-Marne, France |
| Died | Guillaume Méchin † | Bishop of Dol, France |
20 Mar | | Ordained Bishop | Antoine , O.F.M. † | Bishop of Sagone (Sagona), France |
1 Apr | | Died | Heinrich von Sternberg, O.P. † | Bishop of Bamberg, Germany |
6 Apr | | Appointed | Jean Arlay de Châlons † | Bishop of Langres, France |
| Appointed | Jean de Vienne † | Bishop of Avranches, France | Archbishop of Reims, France |
11 Apr | | Appointed | Jean DuPray, O.P. † | Bishop of Evreux, France |
| Appointed | Friedrich von Leuchtenberg, O. Cist. † | Bishop of Eichstätt, Germany |
17 Apr | | Ordained Bishop | Jean DuPray, O.P. † | Bishop of Evreux, France |
| Ordained Bishop | Elzéar de Villeneuve † | Bishop of Digne, France |
20 Apr | | Died | Emich von Leiningen † | Bishop of Speyer, Germany |
24 Apr | | Confirmed | Matthew Englefield † | Bishop of Bangor, Wales, Great Britain |
26 Apr | | Appointed | Johann von Nassau † | Bishop of Bamberg, Germany |
27 Apr | | Appointed | Jean d’Avaugour † | Bishop of Dol, France |
1 May | | Appointed | Henry Gower † | Bishop of Saint David’s, Wales, Great Britain |
7 May | | Appointed | Berthold von Buchegg, O.T. † | Bishop of Speyer, Germany | Bishop of Strasbourg, France |
| Appointed | Juan del Campo † | Bishop of Oviedo, Spain | Bishop of León, Spain |
15 May | | Ordained Bishop | Friedrich von Leuchtenberg, O. Cist. † | Bishop of Eichstätt, Germany |
18 May | | Appointed | Pierre Benoît ou de Guémené † | Bishop of Saint-Pol-de-Léon, France | Bishop of Rennes, France |
| Appointed | Guillaume Ouvrouin † | Bishop of Rennes, France |
25 May | | Confirmed | Simon Mepeham † | Archbishop of Canterbury, England, Great Britain |
28 May | | Appointed | Jacques Colonna † | Bishop of Lombez, France |
Jun | | Died | Gaillard (Galhard) Falguières † | Bishop of Angoulême, France | Archbishop of Arles, France |
5 Jun | | Ordained Bishop | Simon Mepeham † | Archbishop of Canterbury, England, Great Britain |
8 Jun | 30.4 | Appointed | Angelo Acciaiuoli, O.P. † | Bishop of L’Aquila, Italy | Bishop of Monte Cassino, Italy |
12 Jun | | Ordained Bishop | Matthew Englefield † | Bishop of Bangor, Wales, Great Britain |
| Ordained Bishop | Henry Gower † | Bishop of Saint David’s, Wales, Great Britain |
13 Jul | | Appointed | Matthieu Ferrand † | Bishop of Saint-Brieuc, France | Former Bishop-Elect |
31 Jul | | Ordained Bishop | James Bane (Bennet) † | Bishop of Saint Andrews, Scotland, Great Britain |
1 Aug | | Appointed | James Bane (Bennet) † | Bishop of Saint Andrews, Scotland, Great Britain |
5 Aug | | Appointed | Fridianus † | Bishop of Asolo, Italy |
17 Aug | 36.6 | Appointed | Juan de Aragón † | Archbishop of Tarragona, Spain |
| Appointed | Jimeno de Luna † | Archbishop of Toledo, Spain |
27 Aug | 36.6 | Appointed | Juan de Aragón † | Titular Patriarch of Alexandria {Alessandria} | Archbishop of Tarragona, Spain |
29 Aug | | Died | Guillaume d’Etienne † | Bishop of Gap, France |
31 Aug | | Appointed | Dragonet d’Artaud de Montauban † | Bishop of Gap, France |
6 Sep | | Appointed | Hugo Aymeri † | Bishop of Saint-Paul-Trois-Châteaux, France |
| Appointed | Fulco Falco, O.P. † | Bishop of Toulon, France |
| Appointed | Giovanni Groces (Grocei) † | Bishop of Venafro, Italy |
| Appointed | Pierre Guilhem † | Bishop of Orange, France |
| Appointed | Raymond , O.F.M. † | Bishop of Vence, France | Bishop of Nice, France |
10 Sep | | Died | Mathias de Bucheck (von Buchegg) † | Archbishop of Mainz, Germany |
10 Oct | | Appointed | Sergius † | Bishop of Kotor (Cattaro), Montenegro | Bishop of Pula (Pola), Croatia |
11 Oct | | Appointed | Heinrich von Virneburg † | Archbishop of Mainz, Germany | Archbishop Emeritus |
14 Oct | | Appointed | Marc , O.P. † | Bishop of Famagusta, Cyprus |
16 Oct | | Died | Berenguer de Guardia (Çaguardia) † | Bishop of Vic, Spain |
17 Oct | | Appointed | Dominique Lucaris † | Bishop of Split (Spalato), Croatia |
21 Oct | | Appointed | Frederic de Nicolo † | Bishop of Rimini, Italy |
30 Oct | | Ordained Bishop | Adam de Moray † | Bishop of Brechin, Scotland, Great Britain |
31 Oct | | Appointed | Adam de Moray † | Bishop of Brechin, Scotland, Great Britain |
| Appointed | Rostaing , C.R.S.A. † | Bishop of Sisteron, France |
6 Nov | | Died | Johann von Durbheim † | Bishop of Strasbourg, France |
16 Nov | | Appointed | Galcerán Sacosta † | Bishop of Vic, Spain |
26 Nov | | Died | Jordan † | Bishop of Warmia (Ermland), Poland |
28 Nov | | Appointed | Berthold von Buchegg, O.T. † | Bishop of Strasbourg, France |
Dec | | Appointed | Pierre d’Arrabloy † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
3 Dec | | Appointed | Guido † | Bishop of Pula (Pola), Croatia | Bishop of Concordia (Sagittaria), Italy |
38.9 | Appointed | Pierre Roger, O.S.B. † | Bishop of Arras, France | Pope (Roma {Rome}, Italy) |
5 Dec | | Appointed | Gastón de Montcada † | Bishop of Gerona, Spain |
| Appointed | Pedro de Urrea † | Bishop of Huesca, Spain |
12 Dec | | Appointed | Ralph de Kilmessan, O.F.M. † | Bishop of Down, Ireland |
| Ordained Bishop | Ralph de Kilmessan, O.F.M. † | Bishop of Down, Ireland |