Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Ubertino Albizi, O.P. † | Bishop of Pistoia, Italy |
| Born | Johann von Baden † | | Archbishop of Trier, Germany |
| Born | Girolamo Basso Della Rovere † | | Cardinal, Bishop of Recanati, Italy |
| Died | Filippo Barile † | Archbishop of Capua, Italy |
| Died | Nicolň Bianchi, O.S.B. † | Bishop of Osimo, Italy |
| Born | Jean Bilhčres de Lagraulas, O.S.B. † | | Cardinal, Bishop Emeritus of Lombez, France |
| Born | Johannes Bonemilch † | | Auxiliary Bishop Emeritus of Mainz, Germany |
| Died | Galgano Bucci † | Bishop of Segni, Italy |
| Born | André Byssmann, O.S.A. † | | Auxiliary Bishop of Olomouc (Olmütz), Czechia |
| Born | Martinho da Costa † | | Archbishop of Lisboa, Portugal |
| Born | Ardicino della Porta (Jr.) † | | Cardinal, Bishop of Aleria, France |
| Born | Giovanni (John) de’ Gigli † | | Bishop of Worcester, England, Great Britain |
| Born | Nicolň Donato † | | Patriarch of Aquileia, Italy |
| Appointed | Jean Fassi (Faci), O. Carm. † | Prior General of Order of Our Lady of Mt. Carmel | Bishop of Riez, France |
| Died | Filippo † | Bishop of Acerra, Italy |
| Selected | Pierre Fournier di Marcosset † | Abbot of Saint-Maurice, Switzerland | Abbot Emeritus |
| Born | Giacomo Gherardi † | | Bishop of Aquino, Italy |
| Died | Lorenzo de Gilotto † | Bishop of Pozzuoli, Italy |
| Appointed | Hermann von Gnas † | Bishop of Lavant, Slovenia |
| Died | Delphin Gozzadini, O. Cist. † | Bishop of Fossombrone, Italy |
45.8 | Resigned | Otto von Hachberg † | Bishop of Konstanz {Constance}, Germany | Bishop Emeritus |
| Died | William Hadsor † | Bishop of Meath, Ireland |
| Born | John Ingleby, O. Cart. † | | Bishop of Llandaff, Wales, Great Britain |
| Died | Arend Klementssřn † | Bishop of Bjřrgvin (Bergen), Norway |
| Died | Pierre Le Neveu † | Bishop of Albi, France |
| Died | Ludovico † | Bishop of Massa Lubrense, Italy |
28.0 | Appointed | Lanzelot of Lusignan † | Bishop of Nemosia (Limasol), Cyprus | Bishop Emeritus of Paphos, Cyprus |
| Died | László Marczalli † | Bishop of Csanád, Hungary |
| Died | Ubertino de Marinis † | Archbishop of Palermo, Italy |
| Died | Giacomo Giovanni Martinuzzi † | Bishop of Scardona (Skradin), Croatia |
| Born | Nicolaus Miroballo † | | Archbishop of Amalfi, Italy |
| Appointed | Lorenzo de Napoli, O.F.M. † | Bishop of Ravello, Italy | Bishop of Tricarico, Italy |
| Died | Nicolň † | Bishop of Pedena, Austria |
| Died | Nicolň † | Bishop of Trevico, Italy |
| Appointed | Olav Nilsson † | Bishop of Bjřrgvin (Bergen), Norway |
| Resigned | Nikolaus von Oldenburg-Delmenhorst † | Archbishop of Bremen (and Hamburg), Germany | Archbishop Emeritus |
| Died | Fernando de Palacios † | Bishop of Lugo, Spain |
| Died | Nicola Salma di Candia, O.F.M. † | Bishop of Ario, Greece |
| Resigned | Johann von Schleinitz † | Bishop of Naumburg, Germany | Bishop Emeritus |
| Appointed | Barthelemy de Saint Hypolyte, O.P. † | Bishop of Garðar, Greenland |
| Resigned | Sante † | Bishop of Minervino Murge, Italy | Bishop Emeritus of Bova, Italy |
5 Jan | | Died | Antonio del Fede, O. Carm. † | Bishop of Sovana (Soana), Italy |
13 Jan | | Appointed | Jean Boucher † | Bishop of Lavaur, France |
20 Jan | | Appointed | Gioacchino Suhare † | Bishop of Sovana (Soana), Italy | Bishop of Cassano all’Jonio, Italy |
29 Jan | | Appointed | Jan , O.F.M. † | Bishop of Seret, Moldova |
| Appointed | Federico Sifola † | Bishop of Bitetto, Italy |
31 Jan | | Ordained Bishop | Thomas Rudborne † | Bishop of Saint David’s, Wales, Great Britain |
Feb | 48.0 | Selected | Niccolň Tedeschi † | Archbishop of Palermo, Italy |
8 Feb | | Died | Guillaume Villieni † | Abbot of Saint-Maurice, Switzerland |
19 Feb | | Appointed | Fernando de Atienza, O.F.M. † | Bishop of Guadix, Spain |
1 Mar | 39.1 | Appointed | Władysław Oporowski † | Bishop of Włocławek (Kujawy, Kalisze), Poland | Archbishop of Gniezno, Poland |
5 Mar | | Appointed | Sebastiano (or Battino) Ripa † | Bishop of Massa Lubrense, Italy |
10 Mar | | Appointed | Richard Clerk † | Bishop of Ross, Ireland |
14 Mar | 50.2 | Died | Alfonso Carrillo de Albornoz † | Cardinal, Administrator of Sigüenza, Spain |
24 Mar | 89.2 | Appointed | Domingo Ram i Lanaja, C.R.S.A. † | Administrator of Tarragona, Spain | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
9 Apr | | Died | Ardicino della Porta (Sr.) † | Cardinal, Cardinal-Deacon of Santi Cosma e Damiano |
| Appointed | Antonio Roda † | Bishop of Rossano, Italy | Bishop Emeritus |
12 Apr | | Appointed | Robert Dauphin, O.S.B. † | Bishop of Albi, France |
37.2 | Appointed | Juan de Mella † | Bishop of León, Spain | Cardinal, Bishop of Sigüenza, Spain |
| Appointed | Philippe de Vienne † | Bishop of Langres, France |
16 Apr | | Appointed | Géraud de La Briçoigne † | Bishop of Saint-Pons-de-Thomičres, France |
| Appointed | Bartolomeo Lopaci, O.P. † | Bishop of Argos, Greece | Bishop Emeritus of Coron (Coronea), Greece |
21 Apr | | Appointed | Thibaut Lemoine † | Bishop of Chartres, France |
6 May | | Died | Guillaume de Hottot † | Bishop of Senlis, France |
10 May | | Confirmed | Giorgio Fieschi (Flisco) † | Bishop of Mariana, France | Cardinal, Archbishop of Genova, Italy |
21 May | | Appointed | Jean Chevalier † | Bishop of Sées {Séez}, France |
10 Jun | 54.4 | Died | Konrad von Dhaun (Stein) † | Archbishop of Mainz, Germany |
13 Jun | | Born | Cristoforo della Rovere † | | Cardinal, Archbishop of Tarentaise (Moűtiers-en-Tarentaise), France |
6 Jul | 38.5 | Selected | Dietrich Schenk von Erbach † | Archbishop of Mainz, Germany |
27 Jul | | Died | Cornelius O’Dea † | Bishop Emeritus of Limerick, Ireland |
Aug | | Died | Antonio di Anagni † | Bishop of Todi, Italy |
4 Aug | | Died | Kuneš ze Zvole † | Bishop of Olomouc (Olmütz), Czechia |
5 Aug | | Died | Amaury de la Motte d’Acigné † | Bishop of Saint-Malo, France |
18 Aug | | Appointed | Andrea da Montecchio † | Bishop of Fossombrone, Italy | Bishop of Osimo, Italy |
| Appointed | Luca Mudazzo, O.F.M. † | Bishop of Caorle, Italy |
25 Aug | | Appointed | García Aznárez de Ańon † | Bishop of Lérida, Spain |
| Appointed | Pierre Piédru (or Predou) † | Bishop of Saint-Malo, France |
1 Sep | | Appointed | Jean de Montmartin, O.F.M. † | Titular Bishop of Rhosus |
6 Sep | | Appointed | Jean Raphanel, O.F.M. † | Bishop of Senlis, France | Bishop Emeritus |
| Appointed | Raoul Rolland † | Bishop of Tréguier, France |
| Appointed | Peter von Haugwitz (Schleinitz) † | Bishop of Naumburg, Germany |
| Appointed | Nicolas de Utino, O.F.M. † | Bishop of Acerra, Italy | Bishop Emeritus |
| Appointed | Friedrich von Zollern † | Bishop of Konstanz {Constance}, Germany |
10 Sep | | Appointed | Pietro Giustiniani, O.P. † | Bishop of Pedena, Austria |
13 Sep | | Appointed | Giovanni Passeri, O.P. † | Titular Bishop of Samaria |
15 Sep | | Appointed | Barthélémy † | Bishop of Cavaillon, France | Bishop of Capaccio, Italy |
| Appointed | Goffredo † | Bishop of Minervino Murge, Italy |
16 Sep | | Died | Juan Martínez de Contreras † | Archbishop of Toledo, Spain |
19 Sep | 39.7 | Ordained Bishop | Władysław Oporowski † | Bishop of Włocławek (Kujawy, Kalisze), Poland | Archbishop of Gniezno, Poland |
22 Sep | | Appointed | Benedetto Paconati, O.P. † | Bishop of Ario, Greece | Bishop of Bagnoregio (Bagnorea), Italy |
| Appointed | William Silk † | Bishop of Meath, Ireland |
30 Sep | | Died | John Langdon, O.S.B. † | Bishop of Rochester, England, Great Britain |
Oct | | Died | Giovanni Passeri, O.P. † | Titular Bishop of Samaria |
| Died | Alfonso Sanlúcar de Barrameda, O.F.M. † | Titular Bishop of Libariensis |
1 Oct | | Appointed | Juan de Baeza, O.F.M. † | Titular Bishop of Libariensis |
| Appointed | Arnaud-Raymond d’Espagne † | Bishop of Oloron (Oloron-Sainte-Marie), France | Bishop of (Saint-Bertrand de) Comminges, France |
10 Oct | | Died | Antonio Michelotti, O.S.B. † | Bishop of Perugia, Italy |
17 Oct | | Ordained Bishop | Juan de Baeza, O.F.M. † | Titular Bishop of Libariensis |
20 Oct | | Appointed | Jean Girard † | Archbishop of Embrun, France |
| Appointed | Jean de Macet † | Bishop of Mâcon, France |
54.8 | Appointed | Biaggio Molino † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
38.8 | Confirmed | Dietrich Schenk von Erbach † | Archbishop of Mainz, Germany |
24 Oct | | Appointed | Johannes Schleeter, O.F.M. † | Auxiliary Bishop of Köln {Cologne}, Germany |
| Appointed | Johannes Schleeter, O.F.M. † | Titular Bishop of Venecompensis | Auxiliary Bishop of Köln {Cologne}, Germany |
25 Oct | | Appointed | Jean Gombaud † | Bishop of Toulon, France | Bishop Emeritus |
29 Oct | | Appointed | Gabriele Benveduto † | Bishop of Fossombrone, Italy |
| Appointed | Laurent de Cardi, O.P. † | Bishop of Sagone (Sagona), France |
| Appointed | Andrea da Montecchio † | Bishop of Osimo, Italy |
7 Nov | | Ordained Bishop | Barthelemy de Saint Hypolyte, O.P. † | Bishop of Garðar, Greenland |
8 Nov | | Appointed | Juan de Cerezuela † | Archbishop of Toledo, Spain |
| Selected | Roberto degli Asini, O.S.A. † | Bishop of Arezzo, Italy |
17 Nov | | Appointed | Pierre Gracet, O.F.M. † | Titular Bishop of Sebaste in Palaestina |
| Appointed | Denis O’Cahan † | Bishop of Kilfenora, Ireland |
20 Nov | | Appointed | Johannes Fabri, O.F.M. † | Auxiliary Bishop of Osnabrück, Germany | Auxiliary Bishop Emeritus |
| Appointed | Johannes Fabri, O.F.M. † | Titular Bishop of Athyra | Auxiliary Bishop Emeritus of Osnabrück, Germany |
21 Nov | | Ordained Bishop | Belforte Spinelli † | Bishop of Cassano all’Jonio, Italy | Titular Bishop of Sebaste in Palaestina |
24 Nov | | Confirmed | Roberto degli Asini, O.S.A. † | Bishop of Arezzo, Italy |
| Appointed | Álvaro Pérez Osorio † | Bishop of Lugo, Spain | Bishop of Astorga, Spain |
30 Nov | | Ordained Bishop | Johannes Fabri, O.F.M. † | Titular Bishop of Athyra | Auxiliary Bishop Emeritus of Osnabrück, Germany |
| Appointed | Antonio Morelli † | Bishop of Trevico, Italy |
| Died | Johann von Schleinitz † | Bishop Emeritus of Naumburg, Germany |
12 Dec | | Ordained Bishop | Pierre Gracet, O.F.M. † | Titular Bishop of Sebaste in Palaestina |
15 Dec | | Appointed | Giacomo Zancati † | Bishop of Segni, Italy |
21 Dec | 55.9 | Ordained Bishop | Thomas Radcliff, O.E.S.A. † | Bishop of Dromore, Ireland |
22 Dec | | Appointed | Balduin von Wenden, O.S.B. † | Archbishop of Bremen (and Hamburg), Germany |
26 Dec | | Ordained Bishop | Denis O’Cahan † | Bishop of Kilfenora, Ireland |