Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Philippe d’Arbois † | Bishop of Tournai {Doornik}, Belgium |
| Born | Jan Biskupiec, O.P. † | | Bishop of Chełm, Poland |
| Appointed | Pierre d’Arcy † | Bishop of Troyes, France |
52.0 | Appointed | Bienheureux Aldobrandino d’Este † | Bishop of Ferrara, Italy |
| Died | Thomas O’Kelly † | Bishop of Clonfert, Ireland |
59.0 | Appointed | Bartolomeo Prignano † | Archbishop of Bari (-Canosa), Italy | Pope (Roma {Rome}, Italy) |
| Died | Geoffroy de Rohan † | Bishop of Vannes, France |
6 Jan | | Died | Bertram Cremon † | Bishop of Lübeck, Germany |
13 Jan | 37.0 | Appointed | Niccolò Brancaccio † | Archbishop of Cosenza, Italy | Cardinal, Cardinal-Bishop of Albano |
| Appointed | Pedro Diaz de Tenorio † | Archbishop of Toledo, Spain |
18 Feb | | Appointed | Nicolò Montaperto, O.F.M. † | Archbishop of Palermo, Italy | Archbishop Emeritus |
4 Mar | | Appointed | Dietrich von Horne † | Bishop of Osnabrück, Germany |
| Appointed | Nikolaus Ziegenbock, O.P. † | Bishop of Lübeck, Germany | Bishop of Meißen (Meissen), Germany |
13 Apr | | Appointed | Gabriel Neccioli Gabriel † | Bishop of Gubbio, Italy |
| Appointed | Eryk z Winsen, O.F.M. † | Bishop of Przemyśl, Poland |
22 Apr | | Appointed | Pedro Raimundo de Barrière, C.R.S.A. † | Bishop of Autun, France | Cardinal, Bishop Emeritus |
28 Apr | | Died | Ugolino de’ Rossi † | Bishop of Parma, Italy |
29 Apr | | Died | Jean Royer † | Bishop of Meaux, France |
10 Jun | | Died | Ramon de Belleria † | Bishop of Vic, Spain |
11 Jun | | Died | Pierre de Villiers, O.P. † | Bishop of Troyes, France |
12 Jun | | Died | Guillaume Fournier di Marcossey † | Bishop of Genève {Geneva}, Switzerland |
3 Jul | | Appointed | Guillaume de Prohinis † | Bishop of Mirepoix, France |
26 Jul | | Died | Alphonse Chevrier † | Bishop of Lisieux, France |
31 Jul | | Died | Paul von Jägerndorf (Harrach) † | Bishop of Freising, Germany |
3 Aug | | Appointed | Garsías Fernández de Heredia † | Bishop of Vic, Spain | Archbishop of Zaragoza, Spain |
| Appointed | Nicolas Oresme † | Bishop of Lisieux, France |
7 Aug | | Appointed | Pedro Cima, O.F.M. † | Bishop of Mallorca, Spain |
| Appointed | Raimundo de Escalas, O.S.A. † | Bishop of Elne, France | Bishop of Barcelona, Spain |
3 Sep | | Died | Louis de Villars † | Bishop of Valence and Die, France |
8 Sep | 37.6 | Selected | Jean de Murol † | Bishop of Genève {Geneva}, Switzerland | Cardinal, Cardinal-Priest of San Vitale |
29 Sep | | Died | Guillaume de Prohinis † | Bishop of Mirepoix, France |
14 Nov | | Died | Bl. Neri Corsini † | Bishop of Fiesole, Italy |
18 Nov | 57.8 | Died | Pierre d’Estaing, O.S.B. † | Cardinal-Bishop of Ostia (e Velletri) |
24 Nov | | Died | Adam de Nemours, O.P. † | Bishop of Senlis, France |
4 Dec | | Appointed | Arnaud de La Trémoille † | Bishop of Mirepoix, France |