Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Giovanni Battista Acciaiuoli † | Bishop of Cesena, Italy |
| Died | Alan † | Bishop of Caithness, Scotland, Great Britain |
| Appointed | Alexandre † | Bishop |
| Ordained Bishop | Alexandre † | Bishop |
| Died | Francesco degli Alfani † | Bishop of Jesi, Italy |
| Born | Jean Allarmet de Brogny (Brognac) † | | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| Died | Pietro Baccario † | Bishop of Conversano, Italy |
| Born | Gilles Aycelin de Bellèmere † | | Cardinal, Bishop of Avignon, France |
| Died | Givoanni Brusato, O.S.Marc. † | Bishop of Faenza, Italy |
| Died | Roberto Campolo (de Messina), O.F.M. † | Bishop of Cefalù, Italy |
62.0 | Appointed | Annibaldo di Ceccano † | Archpriest of the Basilica di San Pietro in Vaticano {Saint Peter Basilica} | Cardinal, Cardinal-Bishop of Frascati |
| Died | Federico Cibo † | Bishop of Savona, Italy |
| Died | Giovanni de Concivis, O.F.M. † | Bishop of Calvi Risorta, Italy |
| Died | Beltrán de Cornidela † | Bishop of Tarazona, Spain |
| Born | William Courtenay † | | Archbishop of Canterbury, England, Great Britain |
| Died | Håkon Erlingsson † | Bishop of Bjørgvin (Bergen), Norway |
| Born | Robert de Genève † | | Cardinal, Bishop |
| Appointed | Giovanni † | Bishop of Lavello, Italy | Bishop of Rapolla, Italy |
| Died | Giovanni † | Bishop of Sutri, Italy |
| Died | Aimeric Girard (Guirardi) † | Bishop of Nîmes, France |
| Died | Nicola de Grelis, O.S.B. † | Bishop of Catania, Italy |
| Appointed | Guglielmo , O.F.M. † | Bishop of Scala, Italy |
| Died | Alessandro Guidi † | Bishop of Urbino, Italy |
| Died | Pierre Guilhem † | Bishop of Orange, France |
| Died | Guillaume de Popoleto, O. Cist. † | Archbishop of Cagliari, Italy |
| Appointed | Håvard † | Bishop of Faröe Islands, Denmark |
| Died | Guillaume Hunaud de Lanta, O.S.B. † | Bishop of Agde, France |
| Appointed | Johann von Isenburg † | Bishop of Meißen (Meissen), Germany |
| Died | Superanzio Lambertazzi † | Bishop of Cervia, Italy |
| Died | Lino † | Bishop of Narni, Italy |
| Appointed | Mariano † | Bishop of Sulcis, Italy |
| Appointed | Marino , O.F.M. † | Bishop of Stagno (Ston) et Curzola (Korcula), Croatia |
| Died | Tommaso de Muro † | Bishop of Ancona, Italy |
| Died | Venuto da Nicastro, O.F.M. † | Bishop of Catanzaro, Italy |
| Died | Eirik Ogmundsson † | Bishop of Stavanger, Norway |
| Died | Pandolfo † | Bishop of Sant’Agata de’ Goti, Italy |
| Died | Giovanni de Paperoni † | Archbishop of Oristano, Italy |
| Died | Pietro † | Archbishop of Acerenza e Matera, Italy |
| Appointed | Saladino Pisanello † | Bishop of Dolia (Doglia), Italy |
| Died | Ranieri , O.S.B. † | Bishop of Chiusi, Italy |
| Died | Dionigi De’ Roberti, O.E.S.A. † | Bishop of Monopoli, Italy |
| Died | Rudolf , O.P. † | Bishop of Vác, Hungary |
| Died | Juan de Saavedra † | Bishop of Palencia, Spain |
| Died | Alberto Sicardi, O.F.M. † | Bishop of Cagli, Italy |
| Died | Signar † | Bishop of Faröe Islands, Denmark |
| Died | Sinibaldo , O.F.M. † | Bishop of Osimo, Italy |
| Died | Isnardo Tacconi, O.P. † | Titular Archbishop of Thebae |
| Died | Teobaldo † | Bishop of Castellaneta, Italy |
| Died | Bonincontri Tomei † | Bishop of Numana, Italy |
| Died | Tommaso † | Bishop of Rieti, Italy |
| Died | Hugo de Pistorio, O.P. † | Bishop of Mazara del Vallo, Italy |
Jan | | Died | Andrea di Alaneo † | Bishop of Minori, Italy |
9 Jan | | Ordained Bishop | Jean Zaulini † | Archbishop of Bar (Antivari), Montenegro |
25 Jan | | Ordained Bishop | Bernard de Brussol † | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
28 Jan | 31.7 | Appointed | Przecław z Pogorzeli † | Bishop of Wrocław (Breslau), Poland |
30 Jan | | Appointed | Peter Torkilsson (Torgilsson) † | Bishop of Linköping, Sweden | Archbishop of Uppsala, Sweden |
31 Jan | | Died | Pierre de Palude, O.P. † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
18 Feb | | Appointed | Guillaume † | Bishop of Orange, France |
| Appointed | William de Landalis † | Bishop of Saint Andrews, Scotland, Great Britain |
4 Mar | | Appointed | Bernard , C.R.S.A. † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| Appointed | Guido de Callio † | Bishop of Cagli, Italy |
| Appointed | Andrea di Veroli † | Archbishop of Trani, Italy |
8 Mar | | Appointed | Friedrich von Zollern-Nürnberg † | Bishop of Regensburg, Germany |
17 Mar | | Ordained Bishop | William de Landalis † | Bishop of Saint Andrews, Scotland, Great Britain |
| Ordained Bishop | Jean Peyssoni † | Bishop of Digne, France | Archbishop of Aix, France |
31.8 | Ordained Bishop | Przecław z Pogorzeli † | Bishop of Wrocław (Breslau), Poland |
| Ordained Bishop | Elie de Saracha † | Archbishop of Dubrovnik (Ragusa), Croatia |
| Ordained Bishop | Peter Torkilsson (Torgilsson) † | Bishop of Linköping, Sweden | Archbishop of Uppsala, Sweden |
| Ordained Bishop | Friedrich von Zollern-Nürnberg † | Bishop of Regensburg, Germany |
23 Mar | 79.2 | Died | Napoleone Orsini † | Cardinal, Cardinal-Deacon of Sant’Adriano al Foro |
28 Mar | | Died | Pierre Faucigny † | Bishop of Genève {Geneva}, Switzerland |
25 Apr | 62.3 | Died | Jacques Fournier, O. Cist. † | Pope (Roma {Rome}, Italy) |
7 May | 52.3 | Elected | Pierre Roger, O.S.B. † | Pope (Roma {Rome}, Italy) |
18 May | | Elected | Gérard Lagarde, O.P. † | Cardinal, Master General of Order of Friars Preachers |
19 May | 52.3 | Ordained Bishop | Pierre Roger, O.S.B. † | Pope (Roma {Rome}, Italy) |
| Died | Albert von Sachsen-Wittenberg † | Bishop of Passau, Germany |
21 May | | Appointed | Gratia de Aquila, O.F.M. † | Bishop of Pula (Pola), Croatia |
25 May | | Appointed | Alemand di Saint-Jeoire † | Bishop of Genève {Geneva}, Switzerland |
31 May | | Appointed | Bertrand de Deux † | Bishop of Nîmes, France |
| Appointed | Marco di Leone de Arcade, O.F.M. † | Bishop of Monopoli, Italy |
19 Jun | | Appointed | Niccolò Bernardi, O. Carm. † | Bishop of Sovana (Soana), Italy |
26 Jun | 44.4 | Appointed | Angelo Acciaiuoli, O.P. † | Bishop of Firenze, Italy | Bishop of Monte Cassino, Italy |
| Appointed | Pierre de Bérail de Cessac † | Bishop of Agde, France |
| Appointed | Pierre Bruni, O.P. † | Bishop of (Saint-Lizier de) Couserans (or Conserans), France |
| Appointed | Pierre de Chalon † | Bishop of Chalons-sur-Saône, France |
| Appointed | Guadagno da Majolo, O.F.M. † | Bishop of Cervia, Italy |