| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Died | Adiutorio † | Bishop of Veroli, Italy |
| Died | Andreas † | Bishop of Börglum (Aalborg), Denmark |
| Died | Tommaso da Boiano, O.F.M. † | Bishop of Aquino, Italy |
| Died | Rogerio Caccia † | Bishop of Piacenza, Italy |
| Died | Francesco Crispo, O.E.S.A. † | Archbishop of Manfredonia, Italy |
| Died | Gonzalo † | Bishop of Osma, Spain |
| Died | Giovanni Graziani † | Archbishop of Cagliari, Italy |
| Died | Guillaume d’Alzonne de Marcillac, O.S.B. † | Bishop of Alet, France |
| Died | Gisbert de Jean † | Bishop of Carcassonne, France |
| 44.0 | Appointed | Mogens Jensen Grubbe † | Bishop of Börglum (Aalborg), Denmark | Bishop of Ribe, Denmark |
| Died | Arnaud Guillaume de La Barthe, C.R.S.A. † | Bishop of Albi, France |
| Appointed | Zacharias Marchart † | Archbishop |
| 64.0 | Appointed | Giovanni de’ Marignolli, O.F.M. † | Bishop of Bisignano, Italy |
| Appointed | Marino † | Archbishop of Manfredonia, Italy |
| Died | Baldracco Malabayla † | Bishop of Asti, Italy |
| Died | Seoân (John) O’Finnachta (O’Finaghty) † | Bishop of Elphin, Ireland |
| Died | Pietro , O.P. † | Bishop of Dulcigno (Olcini, Olgun), Montenegro |
| Appointed | Poul † | Bishop of Aarhus (Århus), Denmark |
| Died | Rainerio † | Bishop of Acerra, Italy |
| Died | Sigfrid Rotgersson † | Bishop of Skara, Sweden |
| Died | Donnchadh (Duncan) of Strathearn † | Bishop of Dunkeld, Scotland, Great Britain |
| Appointed | St. Peter de Thomas, O. Carm. † | Bishop of Patti e Lipari, Italy | Titular Patriarch of Constantinople |
| 64.0 | Died | Konrad von Liechtenstein † | Bishop of Chiemsee, Germany |
| Born | Piotr Wysz Radoliński † | | Bishop of Poznań, Poland |
| 8 Jan | | Appointed | Gyrd Aslason † | Bishop of Stavanger, Norway |
| 15 Jan | | Appointed | Jean de Lichtenberg † | Bishop of Strasbourg, France |
| 21 Jan | 69.0 | Died | Balduin von Luxembourg † | Archbishop of Trier, Germany |
| Died | Pietro de Theotonico, O.F.M. † | Bishop of Patti e Lipari, Italy |
| 27 Jan | | Appointed | Pedro Pérez Calvillo † | Bishop of Tarazona, Spain |
| 29 Jan | | Appointed | Litus de Alidosi † | Bishop of Imola, Italy | Bishop Emeritus |
| Appointed | Filippo Castigiol Morelli † | Archbishop of Reggio Calabria, Italy |
| Appointed | Pietro de Galganis † | Archbishop of Cosenza, Italy |
| Appointed | Biagio Geminelli † | Bishop of Pesaro, Italy | Titular Bishop of Lindinen |
| Appointed | Pietro de Pironti † | Bishop of Ascoli Satriano (Puglia), Italy |
| 7 Feb | | Appointed | Paolo Cadamosto † | Bishop of Lodi, Italy |
| 12 Feb | | Appointed | Pietro d’Argentino, O.E.S.A. † | Bishop of Bovino, Italy |
| Appointed | Juan de Aragón, O.F.M. † | Archbishop of Cagliari, Italy |
| Appointed | Diego de Navasquez, O. Carm. † | Archbishop of Torres, Italy |
| 19 Feb | | Appointed | Stephen Lawles † | Bishop of Limerick, Ireland |
| 22 Feb | | Died | Pierre de Bérail de Cessac † | Bishop of Agde, France |
| Appointed | Demetrius de Matafaris † | Bishop of Nona (Nin), Croatia |
| 9 Mar | | Ordained Bishop | Jean de Lichtenberg † | Bishop of Strasbourg, France |
| 12 Mar | | Died | Renaud de Thouars, O.S.B. † | Bishop of Luçon, France |
| 14 Mar | | Appointed | Ludolf † | Bishop of Curland, Latvia |
| 19 Mar | 35.2 | Appointed | Arnaud Aubert † | Bishop of Agde, France | Archbishop of Auch, France |
| 28 Mar | | Appointed | Nicolò † | Bishop of Pedena, Austria |
| 7 Apr | | Died | Ralph Stratford † | Bishop of London, England, Great Britain |
| 13 Apr | 54.2 | Ordained Bishop | Marquard von Randeck † | Bishop of Augsburg, Germany | Patriarch of Aquileia, Italy |
| 22 Apr | | Appointed | Michael Northburgh † | Bishop of London, England, Great Britain |
| 29 Apr | | Ordained Bishop | Zacharias Marchart † | Archbishop |
| 2 May | | Confirmed | Andrea Bontempi Martini † | Cardinal, Bishop of Perugia, Italy |
| Appointed | Boemund von Saarbrücken † | Archbishop of Trier, Germany | Archbishop Emeritus |
| 5 May | | Appointed | Jean Jourens (Joffevry, Jouffroi) † | Bishop of Luçon, France | Bishop of Le Puy-en-Velay, France |
| Appointed | Louis de Villars † | Bishop of Valence and Die, France |
| 12 May | 64.3 | Ordained Bishop | Giovanni de’ Marignolli, O.F.M. † | Bishop of Bisignano, Italy |
| Appointed | Pietro , O.F.M. † | Bishop of Guardialfiera (Guardia), Italy |
| 13 May | | Ordained Bishop | Boemund von Saarbrücken † | Archbishop of Trier, Germany | Archbishop Emeritus |
| 7 Jun | | Appointed | Lars † | Bishop of Skara, Sweden |
| 8 Jun | | Ordained Bishop | Litus de Alidosi † | Bishop of Imola, Italy | Bishop Emeritus |
| 27 Jun | | Appointed | Bernardo Font, O. Carm. † | Bishop of Santa Giusta (Othoca), Italy |
| 2 Jul | | Appointed | Nikolaus Brun † | Bishop of Schleswig, Germany |
| 23 Aug | | Ordained Bishop | Mikołaj Rusin, O.P. † | Bishop of Przemyśl, Poland |
| 24 Aug | | Died | Olivier Salahadin † | Bishop of Nantes, France |
| 4 Sep | | Appointed | Bla † | Bishop of Knin (Tinin), Croatia |
| 8 Sep | | Installed | John Thoresby † | Archbishop of York, England, Great Britain |
| 25 Sep | | Died | Henri de Villars † | Archbishop of Lyon, France |
| 28 Sep | | Died | François di Montfaucon † | Bishop of Lausanne, Switzerland |
| 5 Oct | 64.7 | Died | Giovanni Visconti † | Cardinal, Archbishop of Milano {Milan}, Italy |
| 12 Oct | | Died | Francesco Montoliu † | Bishop of Elne, France |
| 15 Oct | | Appointed | Guglielmo † | Bishop of Aquino, Italy |
| 24 Oct | | Appointed | Juan García Palomeque † | Bishop of Badajoz, Spain | Bishop of Osma, Spain |
| 25 Oct | | Appointed | Alfonso Fernando Vargas de Toledo, O.E.S.A. † | Bishop of Osma, Spain | Archbishop of Sevilla {Seville}, Spain |
| 27 Oct | | Appointed | Teodoro † | Bishop of Mottola (Motula), Italy |
| 29 Oct | | Appointed | Roberto Visconti † | Archbishop of Milano {Milan}, Italy |
| 30 Oct | | Died | Thomas O’Hogan † | Bishop of Killaloe, Ireland |
| Nov | | Ordained Bishop | St. Peter de Thomas, O. Carm. † | Bishop of Patti e Lipari, Italy | Titular Patriarch of Constantinople |
| 14 Nov | 35.8 | Appointed | Arnaud Aubert † | Bishop of Carcassonne, France | Archbishop of Auch, France |
| Appointed | Sicard de Lautrec † | Bishop of Agde, France | Bishop of Béziers, France |
| 15 Nov | | Died | Dauphin de Marquefave † | Bishop of Aire, France |
| 16 Nov | | Ordained Bishop | Marino † | Archbishop of Manfredonia, Italy |
| 17 Nov | | Appointed | Bernard , O. Cist. † | Bishop of Aire, France | Bishop of Tarbes, France |
| 19 Nov | 39.8 | Appointed | Hugues de Montrelais (Jr.) † | Bishop of Tréguier, France | Cardinal, Bishop Emeritus of Sabina |
| Appointed | Robert de Peynel (Paganelli) † | Bishop of Nantes, France |
| Appointed | Giovanni da Vicenza † | Bishop of Dulcigno (Olcini, Olgun), Montenegro |
| 20 Nov | | Appointed | Jean Jourens (Joffevry, Jouffroi) † | Bishop of Elne, France | Bishop of Le Puy-en-Velay, France |
| 21 Nov | | Appointed | Giacomo della Bruna † | Bishop of Belluno e Feltre, Italy |
| Appointed | Guy de Faye, C.R.S.A. † | Bishop of Luçon, France | Bishop of Maillezais, France |
| 28 Nov | | Appointed | Hugues Aubert † | Bishop of Albi, France |
| 25 Dec | | Died | John Leynagh † | Bishop of Lismore, Ireland |