| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Died | Carlo Archamono † | Bishop of Bitetto, France |
| Resigned | Jean de Chorono, O.P. † | Bishop of Ario, Greece | Bishop Emeritus |
| Born | Giovanni Battista Cibò † | Genova | Pope (Roma {Rome}, Italy) |
| Died | Antonio Guidotti † | Bishop of Conversano, Italy |
| Born | Oliver King † | | Bishop of Bath and Wells, England, Great Britain |
| Died | Michele Mantegazza, O.S.A. † | Bishop Emeritus of Alessandria (della Paglia), Italy |
| Born | George Neville † | | Archbishop of York, England, Great Britain |
| Died | Benedetto de Pradosso † | Bishop of Ravello, Italy |
| Appointed | Lorenz von Lichtenberg † | Bishop of Gurk, Austria | Bishop of Lavant, Slovenia |
| 29 Jan | | Appointed | Zanone Castiglione † | Bishop of Bayeux, France |
| 61.1 | Appointed | Pierre Cauchon de Somièvre † | Bishop of Lisieux, France |
| Appointed | Jean Juvénal des Ursins † | Bishop of Beauvais, France | Archbishop of Reims, France |
| 19 Mar | | Appointed | Paul Gobelinus Bolant, O.S.A. † | Bishop of Aalborg (Börglum), Denmark |
| Appointed | Valentin Narnia † | Bishop of Orte, Italy | Bishop of Ascoli Piceno, Italy |
| 26 Mar | | Appointed | Hermann von Gehrden, O.P. † | Auxiliary Bishop of Mainz, Germany |
| Appointed | Hermann von Gehrden, O.P. † | Titular Bishop of Citrus | Auxiliary Bishop of Mainz, Germany |
| 31 Mar | | Appointed | Pierre de Versailles, O.S.B. † | Bishop of Digne, France | Bishop of Meaux, France |
| 30 May | | Appointed | Robert Dauphin, O.S.B. † | Bishop of Chartres, France | Bishop of Albi, France |
| 15 Jun | | Born | Carlo Gabriele Sforza, O.S.A. † | | Archbishop of Milano {Milan}, Italy |
| 4 Jul | | Elevated to Cardinal | Guillaume de Montfort † | Cardinal, Bishop of Saint-Malo, France |
| 12 Jul | | Appointed | Johann Erler, O.F.M. † | Auxiliary Bishop of Meißen (Meissen), Germany | Auxiliary Bishop of Wrocław (Breslau), Poland |
| Appointed | Johann Erler, O.F.M. † | Titular Bishop of Gadara | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 23 Jul | | Appointed | Gabriele Benveduto † | Bishop of Sagone (Sagona), France | Bishop of Fossombrone, Italy |
| 24 Aug | 41.6 | Ordained Bishop | Anton von Rotenhan † | Bishop of Bamberg, Germany |
| 27 Sep | | Died | Guillaume de Montfort † | Cardinal, Bishop of Saint-Malo, France |
| 24 Oct | | Appointed | Amalric de la Motte d’Acigné † | Bishop of Saint-Malo, France |
| 9 Nov | 46.9 | Appointed | Pierre de Foix (Sr.), O.F.M. † | Administrator of Mirepoix, France | Cardinal, Bishop of Lescar, France |
| 10 Dec | 31.9 | Confirmed | Rudolf von Diepholz † | Bishop of Utrecht, Netherlands |
| Appointed | Zweder van Kuilenburg † | Titular Bishop of Caesarea in Palaestina | Bishop Emeritus of Utrecht, Netherlands |
| Resigned | Zweder van Kuilenburg † | Bishop of Utrecht, Netherlands | Bishop Emeritus |
| 15 Dec | | Appointed | Gabriele Jacobi † | Bishop of Modon (Medone), Greece | Bishop of Capodistria (Capo d'Istria)(Koper), Slovenia |