Date | Age | Event | Bishop | Title | Current Title |
unknown | | Born | Paolo Fregoso (Campofregoso) † | | Cardinal, Archbishop of Genova, Italy |
| Born | John Frisel (Fraser) † | | Bishop of Ross (Rosemarkie, Fortrose), Scotland, Great Britain |
| Died | Andreas Gallici † | Auxiliary Bishop of Padova {Padua}, Italy |
| Born | Giovanni Battista de Giudici, O.P. † | | Archbishop Emeritus of Amalfi, Italy |
| Born | Otto von Königsmarck † | | Bishop of Havelberg, Germany |
| Died | Pietro Marcelli † | Bishop of Padova {Padua}, Italy |
| Died | Jan Pella † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| Born | Leonhard Pilhamer † | | Auxiliary Bishop of Eichstätt, Germany |
| Resigned | Angelo Scardoni, O.E.S.A. † | Bishop of Todi, Italy | Bishop Emeritus |
| Born | Jaime Serra i Cau † | | Cardinal, Cardinal-Bishop of Palestrina |
13.0 | Professed | Benedikt Sibenhirter, O.S.B. † | Member of Order of Saint Benedict | Auxiliary Bishop of Passau, Germany |
| Died | Pietro Santo, O.S.A. † | Bishop of Castro [del Lazio], Italy |
| Born | Hernando de Talavera, O.S.H. † | | Archbishop of Granada, Spain |
| Born | Michel de Told † | | Bishop of Bosnia (Bosna), Croatia |
| Died | Giovanni degli Uberti † | Bishop of Mantova, Italy |
| Resigned | Heinrich vom See † | Bishop of Schleswig, Germany | Bishop Emeritus |
10 Jan | 78.0 | Died | Anslem von Nenningen † | Bishop Emeritus of Augsburg, Germany |
29 Jan | | Appointed | Ulrich Putsch † | Bishop of Brixen {Bressanone}, Italy |
23 Feb | | Appointed | Marino de’ Bernardini, O.S.A. † | Bishop of Modon (Medone, Methone), Greece | Archbishop of Corfù, Greece |
| Appointed | Angelo Cavazza † | Bishop of Arbe (Rab), Croatia | Bishop of Trogir (Traù), Croatia |
| Appointed | Francesco Servandi, O.P. † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
11 Mar | | Died | Eskill † | Archbishop of Nidaros (Trondheim), Norway |
1 Apr | | Died | Johann von Streitberg † | Bishop of Regensburg, Germany |
19 Apr | 57.2 | Selected | Konrad von Soest † | Bishop of Regensburg, Germany |
May | 65.3 | Selected | Jan Szafraniec † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
3 May | | Born | Pedro González de Mendoza † | | Cardinal, Archbishop of Toledo, Spain |
5 May | | Appointed | André Dias de Escobar, O.S.B. † | Titular Bishop of Megara | Bishop Emeritus of Ajaccio, France |
| Resigned | André Dias de Escobar, O.S.B. † | Bishop of Ajaccio, France | Bishop Emeritus |
10 May | | Ordained Bishop | Ulrich Putsch † | Bishop of Brixen {Bressanone}, Italy |
21 May | | Appointed | Matteo Boniperti, O.P. † | Bishop of Mantova, Italy |
46.3 | Appointed | Stanisław Ciołek z Zelechowa † | Bishop of Poznań, Poland |
7 Jun | 39.4 | Appointed | Johann Christiani von Schleppegrell, O.S.A. † | Auxiliary Bishop of Hildesheim, Germany |
39.4 | Appointed | Johann Christiani von Schleppegrell, O.S.A. † | Auxiliary Bishop of Münster, Germany | Auxiliary Bishop of Hildesheim, Germany |
39.4 | Appointed | Johann Christiani von Schleppegrell, O.S.A. † | Auxiliary Bishop of Minden, Germany | Auxiliary Bishop of Hildesheim, Germany |
39.4 | Appointed | Johann Christiani von Schleppegrell, O.S.A. † | Titular Bishop of Missene (Mysia) | Auxiliary Bishop of Hildesheim, Germany |
16 Jun | | Appointed | Pietro Donà (Donato) † | Bishop of Padova {Padua}, Italy |
| Appointed | Francesco Malipiero, O.S.B. † | Bishop of Castello, Italy | Bishop of Vicenza, Italy |
57.4 | Appointed | Konrad von Soest † | Bishop of Regensburg, Germany |
16 Jul | | Appointed | Bartolomeo Zabarella † | Archbishop of Split (Spalato), Croatia | Archbishop of Firenze {Florence}, Italy |
21 Jul | 88.5 | Died | Angelo d’Anna de Sommariva, O.S.B. † | Cardinal, Cardinal-Bishop of Palestrina |
29 Aug | 46.6 | Ordained Bishop | Stanisław Ciołek z Zelechowa † | Bishop of Poznań, Poland |
10 Sep | 65.6 | Confirmed | Jan Szafraniec † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
11 Oct | | Appointed | Michele Paoli † | Bishop of Drivasto (Drivost), Albania |
Nov | 65.8 | Ordained Bishop | Jan Szafraniec † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
6 Nov | 80.8 | Died | Guillaume Fillastre † | Cardinal, Cardinal-Priest of San Marco |
| Died | Niccolò Vivari † | Bishop of Chieti, Italy |
29 Nov | | Appointed | Egidio von Byderborch, O. Carm. † | Auxiliary Bishop of Strasbourg, France |
| Appointed | Egidio von Byderborch, O. Carm. † | Titular Bishop of Rhosus | Auxiliary Bishop of Strasbourg, France |
9 Dec | | Died | Arns Johannes † | Bishop of Strängnäs (Strengnäs), Sweden |