| Date | Age | Event | Bishop | Title | Current Title | 
|---|
| unknown |  | Appointed | William Ayermin † | Bishop of Norwich, England, Great Britain | 
|  | Died | Francesco Bonaccursio † | Bishop of Tricarico, Italy | 
|  | Died | Esger Bonde † | Bishop of Aarhus (Århus), Denmark | 
|  | Born | Lamprecht von Brunn † |  | Bishop Emeritus of Bamberg, Germany | 
|  | Died | Thomas Dalton † | Bishop of Whithorn-Galloway, Scotland, Great Britain | 
|  | Born | Bl. Aldobrandino d’Este † |  | Bishop of Ferrara, Italy | 
|  | Appointed | Francesco della Marra † | Bishop of Anglona, Italy | Archbishop of Cosenza, Italy | 
|  | Died | Francesco  † | Bishop of Gubbio, Italy | 
|  | Born | Pedro Gómez Barroso † |  | Cardinal, Archbishop Emeritus of Sevilla {Seville}, Spain | 
|  | Appointed | Pierre Guilhem † | Bishop of Toulon, France | Bishop of Orange, France | 
|  | Born | Peter Gelyto (Wurst, Jelito) † |  | Bishop of Olomouc (Olmütz), Czechia | 
|  | Appointed | Dietrich Kothe † | Bishop of Havelberg, Germany | 
|  | Appointed | Raymond Le Roux † | Cardinal, Cardinal-Priest of San Crisogono | 
|  | Died | Scot de Linières † | Bishop of (Saint-Bertrand de) Comminges, France | 
|  | Born | Jean de La Tour, O.S.B. † |  | Cardinal, Cardinal-Priest of San Lorenzo in Lucina | 
|  | Resigned | Egidio Madalberti † | Bishop of Cremona, Italy | Bishop Emeritus | 
|  | Died | Francesco da Mogliano † | Bishop of Fermo, Italy | 
|  | Died | Benedict O’Coscry † | Bishop of Killaloe, Ireland | 
|  | Died | Lawrence O’Lagthnan † | Bishop of Elphin, Ireland | 
|  | Died | Bertoldo Orsini † | Archbishop of Napoli {Naples}, Italy | 
|  | Died | Peder  † | Bishop of Viborg, Denmark | 
|  | Born | Petr Rożemberka † |  | Priest of Praha {Prague}, Czechia | 
|  | Died | Guillaume de Sabran, O.S.B. † | Bishop of Digne, France | 
|  | Appointed | Jacques de Saint-André † | Bishop of Belley, France | 
|  | Born | Jean de Talaru † |  | Cardinal, Archbishop Emeritus of Lyon, France | 
|  | Resigned | Guido Tarlati † | Bishop of Arezzo, Italy | Bishop Emeritus | 
| 17 Jan |  | Died | Esger Juul † | Archbishop of Lund, Sweden | 
| 13 Feb |  | Appointed | Gerardo , O.F.M. † | Bishop of Hierapetra, Greece | 
|  | Appointed | John de Ross † | Bishop of Carlisle, England, Great Britain | 
|  | Appointed | Tommaso , O.P. † | Bishop of Canea (Cydonia, Egée), Greece | Bishop of Sutri, Italy | 
| 24 Feb |  | Ordained Bishop | John de Ross † | Bishop of Carlisle, England, Great Britain | 
| 17 Mar |  | Died | Gerhard di Wippingen † | Bishop of Basel, Switzerland | 
| 1 Apr |  | Died | Pierre Le Tessier, C.R.S.A. † | Cardinal, Cardinal-Priest of Santo Stefano al Monte Celio | 
| 17 Apr |  | Appointed | Roger  † | Bishop of Ross (Rosemarkie, Fortrose), Scotland, Great Britain | Bishop Emeritus | 
| 24 Apr | 45.3 | Appointed | Angelo di Portasole (Portasola, Porta Sole, Porta Sola), O.P. † | Bishop of Sulcis, Italy | Bishop of Grosseto, Italy | 
| 25 Apr |  | Appointed | Jean Arlay de Châlons † | Bishop of Basel, Switzerland | Bishop of Langres, France | 
| 26 Apr |  | Appointed | Raimundo Ebrard † | Bishop of Coimbra, Portugal | 
| 1 May | 75.3 | Died | João Martins de Soalhães † | Archbishop of Braga, Portugal | 
| 10 May |  | Appointed | Pedro de Urrea † | Bishop of Gerona, Spain | Bishop of Huesca, Spain | 
| 19 May |  | Ordained Bishop | Roger  † | Bishop of Ross (Rosemarkie, Fortrose), Scotland, Great Britain | Bishop Emeritus | 
| 24 May |  | Appointed | Tiberio della Torre † | Bishop of Brescia, Italy | Bishop Emeritus | 
|  | Appointed | Princivalle Fieschi † | Bishop of Tortona, Italy | 
| 7 Jun |  | Appointed | Tommaso , O.P. † | Bishop of Sutri, Italy | 
| 12 Jun |  | Appointed | Guillaume de Cun † | Bishop of (Saint-Bertrand de) Comminges, France | 
|  | Appointed | Johannes Pfefferhard † | Bishop of Chur, Switzerland | 
| 19 Jun |  | Appointed | Pectin de Montesquieu † | Bishop of Bazas, France | Cardinal, Cardinal-Priest of Santi XII Apostoli | 
|  | Appointed | Raniero Ubertini † | Bishop of Cortona, Italy | 
| Jul |  | Died | Regnaud de La Porte † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) | 
| 6 Jul |  | Died | John Salmon, O.S.B. † | Bishop of Norwich, England, Great Britain | 
| 10 Jul |  | Died | Leone Lambertenghi, O.F.M. † | Bishop of Como, Italy | 
| 13 Jul |  | Ordained Bishop | Arnold Eltz, O.P. † | Bishop of Kammin (Camin), Germany | 
| 20 Jul |  | Appointed | Boso degli Ubertini † | Bishop of Arezzo, Italy | 
| 26 Jul |  | Appointed | Napoleone Orsini † | Archbishop of Monreale, Italy | 
| 30 Jul |  | Resigned | Rudolf von Montfort (-Feldkirch) † | Apostolic Administrator of Chur, Switzerland | Bishop of Konstanz {Constance}, Germany | 
| 26 Aug |  | Appointed | Louis de Poitiers † | Bishop of Metz, France | 
|  | Appointed | Pierre de Rochefort † | Bishop of Langres, France | 
| 10 Sep |  | Appointed | Fulco Falco, O.P. † | Bishop of Vence, France | Bishop of Toulon, France | 
| 15 Sep |  | Ordained Bishop | William Ayermin † | Bishop of Norwich, England, Great Britain | 
| 21 Sep |  | Died | Pierre des Grez (Gree) † | Bishop of Auxerre, France | 
|  | Died | Burchard von Schrapelau † | Archbishop of Magdeburg, Germany | 
| 7 Oct |  | Appointed | Pierre de Mortemart (Gauvain) † | Bishop of Auxerre, France | Cardinal, Cardinal-Priest of Santo Stefano al Monte Celio | 
|  | Appointed | Pierre de Moussy (Jean) † | Bishop of Viviers (Aps), France | Bishop of Carcassonne, France | 
| 9 Oct |  | Appointed | Karl Eriksen † | Archbishop of Lund, Sweden | 
| 25 Oct |  | Appointed | Antonio , O.F.M. † | Bishop of Pula (Pola), Croatia | 
| 27 Oct |  | Appointed | Robert le Petit, O.F.M. † | Bishop of Annaghdown (Eanach Dúin), Ireland | 
| Nov |  | Ordained Bishop | Karl Eriksen † | Archbishop of Lund, Sweden | 
|  | Died | Raymond Le Roux † | Cardinal, Cardinal-Priest of San Crisogono | 
| 24 Nov |  | Died | Etienne Bourret † | Bishop of Paris, France | 
| 27 Nov |  | Died | Vitus de Habdank † | Bishop of Wrocław (Breslau), Poland | 
| 3 Dec |  | Died | Simon de Goucans † | Bishop of Amiens, France | 
| 4 Dec |  | Died | Raymond Atton d’Auterive † | Bishop of Mirepoix, France |