Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Pietro de Aretio, O.S.M. † | Bishop of Aversa, Italy |
| Died | Bertrand de Botinand † | Bishop of Tulle, France |
| Born | Gijsbrecht van Brederode † | | Former Bishop-Elect of Utrecht, Netherlands |
| Born | Giovanni Giacomo d’Acri, O.F.M. † | | Bishop of Treviso, Italy |
| Born | Pal Engjëlli † | | Archbishop of Durrës (Durazzo), Albania |
| Died | Nicholas Fleming † | Archbishop of Armagh, Ireland |
| Died | Federico Frezzi, O.P. † | Bishop of Foligno, Italy |
| Appointed | Pandolfe de Malatesta † | Apostolic Administrator of Brescia, Italy | Archbishop of Patrae Veteres (Patras), Greece |
| Died | Sanche Mulier, O.P. † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| Appointed | Lorenzo de Napoli, O.E.S.A. † | Bishop of Aversa, Italy | Bishop of Tricarico, Italy |
| Died | Pietro † | Bishop of Martirano (Martoranum), Italy |
| Died | Guglielmo Pusterla † | Bishop of Brescia, Italy |
12 Jan | | Ordained Bishop | Philippe de Boisgiloud † | Bishop of Chartres, France |
13 Jan | | Died | Nicolò de Carturis, O.F.M. † | Bishop of Trieste, Italy |
Feb | | Died | Giacomo da Treviso † | Bishop of Treviso, Italy |
3 Mar | | Born | Sigmund von Sachsen † | | Bishop Emeritus of Würzburg, Germany |
9 Mar | | Ordained Bishop | Johann von Heideck † | Bishop of Eichstätt, Germany |
13 Mar | | Selected | Giovanni Motoni † | Bishop of Treviso, Italy | Bishop-Elect |
25 Mar | | Died | Martinho Perez de Charneca † | Archbishop of Braga, Portugal |
May | | Appointed | Michel de Bouliers, O.P. † | Bishop of Riez, France |
6 May | | Died | Jean Arnaud, O.F.M. † | Bishop of Sarlat, France |
27 May | | Confirmed | John Wakering † | Bishop of Norwich, England, Great Britain |
31 May | 56.4 | Died | Arnold Stapel (Stapil), O.T. † | Bishop of Chelmno (Culma, Kulm), Poland |
| Ordained Bishop | John Wakering † | Bishop of Norwich, England, Great Britain |
Jun | | Died | Adam Lynns, O.P. † | Bishop of Ardagh (and Clonmacnois), Ireland |
Jul | | Died | Henrich von Schanenburg † | Bishop of Samland (Sambia), Poland |
1 Aug | | Died | Arnaud de Peyrac † | Bishop of Lectoure, France |
27 Aug | | Died | Jean d’Arconvalle † | Bishop of Chalons-sur-Saône, France |
3 Sep | | Appointed | Hugues d’Orges † | Bishop of Chalons-sur-Saône, France | Archbishop of Rouen, France |
6 Sep | 66.6 | Died | Francesco Bembo † | Bishop of Castello, Italy |
| Died | Hartmann von Werdenberg-Sargans † | Bishop of Chur, Switzerland |
11 Sep | | Appointed | Gaucelin de Bousquet † | Bishop of Rieux, France |
16 Sep | | Appointed | Jan (Johann) Marienau (Margenau) † | Bishop of Chelmno (Culma, Kulm), Poland |
21 Sep | 56.7 | Selected | Johann von Bucka (Železný), O. Praem. † | Cardinal, Bishop of Olomouc (Olmütz), Czechia |
Oct | 66.7 | Died | Bandello Bandelli † | Cardinal, Administrator of Rimini, Italy |
1 Oct | 66.7 | Died | Stefan ze Lwowa † | Bishop Emeritus of Chełm, Poland |
15 Oct | | Appointed | Bertrand de La Cropte de Lenquais † | Bishop of Sarlat, France |
| Died | Gatien de Monceaux † | Bishop of Quimper, France |
16 Oct | | Died | Thomas Snell † | Bishop of Ossory, Ireland |
21 Oct | | Died | Peder Jensen Lodehat † | Bishop of Roskilde (Roeskilde), Denmark |
15 Nov | | Appointed | Francesco de Tovia † | Bishop of Urgell, Spain |
22 Dec | | Died | Robert Mascall, O. Carm. † | Bishop of Hereford, England, Great Britain |