| 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 |
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