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 |
| Died | Roberto di Brettevilla, O.E.S.A. † | Bishop of Bertinoro, Italy |
| Died | Cerretano dei Cerretani † | Archbishop of Cosenza, Italy |
| Appointed | Pierre d’Arcy † | Bishop of Troyes, France |
| Died | Geoffroi David † | Bishop of Autun, France |
| Died | Andrea della Torre, O.P. † | Archbishop of Genova, Italy |
| Died | Dennis † | Bishop of Ross, Ireland |
52.0 | Appointed | Bl. Aldobrandino d’Este † | Bishop of Ferrara, Italy |
| Born | Pileo de’ Marini † | | Archbishop of Genova, Italy |
| Died | Jakub , O.P. † | Bishop of Kyiv (Kijów), Ukraine |
| Died | Andrea Lorenzi, O.F.M. † | Bishop of Chiron, Greece |
| Died | Thomas O’Kelly † | Bishop of Clonfert, Ireland |
| Died | Pierre d’Oriach, O.F.M. † | Bishop of Bayonne, France |
| Died | Giovanni da Rocca, O.F.M. † | Bishop of Calvi Risorta, Italy |
| Died | Geoffroy de Rohan † | Bishop of Vannes, France |
| Born | Amédée de Talaru † | | Archbishop of Lyon, France |
| Died | Oliviero da Verona † | Bishop of Ceneda, Italy |
6 Jan | | Died | Bertram Cremon † | Bishop of Lübeck, Germany |
13 Jan | 37.0 | Appointed | Niccolň Brancaccio † | Archbishop of Cosenza, Italy | Cardinal, Cardinal-Bishop of Albano |
| Appointed | Juan Cabeza de Vaca † | Bishop of Coimbra, Portugal | Bishop of Burgos, Spain |
| Appointed | Pedro Diaz de Tenorio † | Archbishop of Toledo, Spain |
59.0 | Appointed | Bartolomeo Prignano † | Archbishop of Bari (-Canosa), Italy | Pope (Roma {Rome}, Italy) |
23 Jan | | Appointed | Antonio di Trara † | Bishop of Rossano, Italy |
25 Jan | | Appointed | Domenico † | Bishop of Sutri, Italy |
| Died | Paolo Rainaldi † | Bishop of L’Aquila, Italy |
27 Jan | | Appointed | Giovanni Belli † | Bishop of Rethymo (Calamona), Greece | Bishop Emeritus |
28 Jan | | Appointed | Pál Péterfia † | Bishop of Csanád, Hungary |
3 Feb | | Appointed | Gérard du Puy, O.S.B. † | Cardinal, Cardinal-Priest of San Clemente |
14 Feb | | Appointed | Jacques Ferrandin de Saint-Marcel † | Bishop of Aosta, Italy |
18 Feb | | Appointed | Nicolň Montaperto, O.F.M. † | Archbishop of Palermo, Italy | Archbishop Emeritus |
20 Feb | | Appointed | Enrico , O. Carm. † | Archbishop of Oristano, Italy |
| Appointed | Ambrogio da Parma † | Archbishop (Personal Title) of Novigrad (Cittanova), Croatia | Bishop of Viterbo e Tuscania, Italy |
2 Mar | | Appointed | Nicola da Salerno, O.F.M. † | Bishop of Capri, Italy | Bishop of Massa Marittima, Italy |
4 Mar | | Appointed | Dietrich von Horne † | Bishop of Osnabrück, Germany |
| Appointed | Nikolaus Ziegenbock, O.P. † | Bishop of Lübeck, Germany | Bishop of Meißen (Meissen), Germany |
9 Mar | | Appointed | Giovanni di Gallofonte, O.P. † | Bishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia | Archbishop of Soltania (Soltaniyeh), Iran |
| Appointed | Jean de Rouen, O.P. † | Bishop of Caffa, Italy |
11 Mar | | Appointed | Henrick Gödekesson, O.F.M. † | Bishop of Växjö (Wexioe), Sweden |
5 Apr | | Appointed | Stefano de Montilio † | Bishop of L’Aquila, Italy |
6 Apr | | Appointed | Francesco Filippi da Ancona, O.F.M. † | Bishop of Hierapetra, Greece |
| Appointed | Giuliano Angeli, O.P. † | Bishop of Chiron, Greece |
8 Apr | | Appointed | Niccolň Acconciamuro † | Archbishop of Acerenza e Matera, Italy | Archbishop of Bari (-Canosa), Italy |
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 Barričre, C.R.S.A. † | Bishop of Autun, France | Cardinal, Bishop Emeritus |
27 Apr | | Appointed | Álvaro † | Bishop of Zamora, Spain |
| Appointed | Gutierre de Toledo † | Bishop of Oviedo, Spain |
28 Apr | | Died | Ugolino de’ Rossi † | Bishop of Parma, Italy |
29 Apr | | Died | Jean Royer † | Bishop of Meaux, France |
13 May | | Appointed | Raimondo di Piacenza, O.F.M. † | Bishop of Acci (Accia), France |
17 May | 44.9 | Elected | Bonaventura Badoaro de Peraga, O.E.S.A. † | Prior General of Order of Hermits of St. Augustine | Cardinal, |
7 Jun | | Died | Bernado Folcaut † | Bishop of Pamplona, Spain |
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 Genčve {Geneva}, Switzerland |
17 Jun | | Appointed | Andrew Umphray † | Bishop of Dunkeld, Scotland, Great Britain |
3 Jul | | Appointed | Guillaume de Prohinis † | Bishop of Mirepoix, France |
5 Jul | | Died | Mihály Széchényi † | Bishop of Eger, Hungary |
26 Jul | | Died | Alphonse Chevrier † | Bishop of Lisieux, France |
31 Jul | | Died | Paul von Jägerndorf (Harrach) † | Bishop of Freising, Germany |
3 Aug | | Appointed | Amico † | Archbishop of Santa Severina, Italy |
| 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 Genčve {Geneva}, Switzerland | Cardinal, Cardinal-Priest of San Vitale |
29 Sep | | Died | Guillaume de Prohinis † | Bishop of Mirepoix, France |
2 Oct | | Appointed | Luca Bertini, C.R.S.A. † | Bishop of Siena, Italy |
| Appointed | Imre Czudar † | Bishop of Eger, Hungary |
| Appointed | László de Deménd † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| Appointed | Péter Siklósi † | Bishop of Veszprém, Hungary |
| Appointed | Guglielmo Vasco, O.F.M. † | Bishop of Győr (Raab), Hungary | Archbishop Emeritus of Napoli {Naples}, Italy |
4 Oct | | Appointed | Roberto Baccari † | Bishop of Calvi Risorta, Italy |
12 Oct | | Appointed | Raymond Robert † | Bishop of Paphos, Cyprus |
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 |
| Appointed | Lanfranco Sacco, O.S.B. † | Archbishop of Genova, Italy |
16 Dec | | Appointed | Humbert de Montchal † | Archbishop of Vienne, France |
40.9 | Appointed | Martín de Zalba † | Bishop of Pamplona, Spain | Cardinal, Administrator |