Date | Age | Event | Bishop | Title | Current Title |
unknown | | Appointed | Hugues de Châtillon † | Bishop of (Saint-Bertrand de) Comminges, France |
| Born | Pietro Corsini † | | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| Died | Giovanni Crispano † | Bishop of Chieti, Italy |
| Born | Bl. Andrea Franchi, O.P. † | | Bishop Emeritus of Pistoia, Italy |
| Died | Alain Gonthier † | Bishop of Quimper, France |
| Born | Matthäus von Krakau † | | Bishop of Worms, Germany |
| Died | John de Lindesey † | Bishop of Glasgow, Scotland, Great Britain |
| Appointed | Jan Łodzia † | Bishop of Poznań, Poland |
| Appointed | Guglielmo Lombardo, O.P. † | Bishop of Scala, Italy |
| Appointed | Gui de Montfort † | Bishop of Saint-Brieuc, France |
| Appointed | Withego von Ostrau † | Bishop of Naumburg, Germany |
| Died | Raymond , O.F.M. † | Bishop of Nice, France |
| Appointed | Vast de Villiers † | Bishop of Senlis, France |
1 Jan | | Ordained Bishop | Gilberto Cruilles † | Bishop of Gerona, Spain |
8 Jan | 55.0 | Installed | Jacques Fournier, O. Cist. † | Pope (Roma {Rome}, Italy) |
18 Jan | | Ordained Bishop | Bertrand du Mas † | Bishop of Lodève, France |
20 Jan | 35.8 | Appointed | Pierre Bertrand (Jr.) † | Bishop of Nevers, France | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
1 Mar | | Died | Rodrigo Ibáñez † | Bishop of Tuy, Spain |
7 Mar | | Died | Etienne de Bourgueil † | Archbishop of Tours, France |
17 Mar | | Died | Raoul de La Flèche † | Bishop of Saint-Brieuc, France |
2 Apr | | Ordained Bishop | Jean de Meulan † | Bishop of Meaux, France | Bishop of Paris, France |
3 Apr | | Died | Markward von Jesowe † | Bishop of Ratzeburg, Germany |
8 Apr | | Died | Werntho Schenk von Reicheneck † | Bishop of Bamberg, Germany |
14 Apr | | Died | Pierre de Mortemart (Gauvain) † | Cardinal, Cardinal-Priest of Santo Stefano al Monte Celio |
15 May | | Appointed | Philippe de Melun † | Bishop of Chalons-sur-Marne, France | Archbishop Emeritus of Sens, France |
12 Jun | | Died | Gilberto Cruilles † | Bishop of Gerona, Spain |
14 Jun | 65.4 | Appointed | Gotius (Gozzio) Battaglia † | Cardinal, Titular Patriarch of Constantinople |
4 Jul | | Appointed | Volrad von dem Dorne † | Bishop of Ratzeburg, Germany |
14 Jul | | Appointed | Pierre Frétault † | Archbishop of Tours, France |
16 Jul | | Died | Heinrich von Grünberg † | Bishop of Naumburg, Germany |
12 Nov | | Died | Raymond (Vehens) de Mostuéjouls, O.S.B. † | Cardinal, Bishop Emeritus of Saint-Papoul, France |
13 Dec | | Died | Barthelemy de Regio † | Archbishop of Genova, Italy |