Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Leonardo Ammavavengo † | Bishop of Aquino, Italy |
| Born | João Anes Escudeiro † | | Archbishop of Lisboa, Portugal |
| Born | Angelo d’Anna de Sommariva, O.S.B. † | | Cardinal, Cardinal-Bishop of Palestrina |
| Appointed | Giacomo de Atri † | Archbishop of Corinthus, Greece | Archbishop of Taranto, Italy |
| Died | Barnabé † | Bishop of Nantes, France |
| Appointed | Benito † | Bishop of Plasencia, Spain |
| Died | Pierre Bérenger † | Bishop of Sarlat, France |
| Born | Niccolò Brancaccio † | | Cardinal, Cardinal-Bishop of Albano |
| Born | Filippo Carafa † | | Cardinal, Bishop of Bologna, Italy |
| Died | Giovanni de Clavaro, O. Carm. † | Bishop of Bosa, Italy |
| Appointed | Jacopo Cucchi, O.P. † | Bishop of Santa Giusta (Othoca), Italy |
| Appointed | Blasco Dávila † | Bishop of Sigüenza, Spain |
| Ordained Bishop | Blasco Dávila † | Bishop of Sigüenza, Spain |
| Born | João Afonso Esteves † | | Cardinal, Archbishop of Lisboa, Portugal |
| Died | Crisogono Fanfoni † | Bishop of Šibenik (Knin), Croatia |
| Died | Frederic de Fernstein, O.F.M. † | Archbishop of Riga, Latvia |
| Appointed | Frender † | Bishop of Strängnäs (Strengnäs), Sweden |
| Appointed | Hermann von Hasenburg, O.E.S.A. † | Auxiliary Bishop of Praha, Czechia |
| Appointed | Hermann von Hasenburg, O.E.S.A. † | Titular Bishop of Perfecteonen (Perfedeonen) | Auxiliary Bishop of Praha, Czechia |
| Appointed | Niels Jonassøn, O.F.M. † | Bishop of Odense, Denmark | Bishop Emeritus |
| Died | John Magee † | Bishop of Ardagh (and Clonmacnois), Ireland |
| Appointed | Senatore Martirano † | Bishop of Martirano (Martoranum), Italy |
| Appointed | Matteo † | Bishop of Bovino, Italy |
| Born | Jean de Murol † | | Cardinal, Cardinal-Priest of San Vitale |
| Appointed | Napoleone † | Bishop of Sarno, Italy |
| Born | Jean de Neufchâtel † | | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| Died | Nicolas de Acerno † | Bishop of Nola, Italy |
| Appointed | Nicola di Sant’Ambrogio, O.F.M. † | Bishop of Muro Lucano, Italy | Bishop of Sant’Agata de’ Goti, Italy |
| Born | Guillaume Noellet † | | Cardinal, Cardinal-Deacon of Sant’Angelo in Pescheria |
| Born | Giacomo Orsini † | | Cardinal, Cardinal-Deacon of San Giorgio in Velabro |
| Appointed | Ugolino da Osimo, O.P. † | Bishop of Ischia, Italy |
| Died | Pedro † | Bishop of Évora, Portugal |
| Died | Franesco de Perusio, O.F.M. † | Bishop of Sarno, Italy |
| Appointed | Pietro , O.F.M. † | Auxiliary Bishop of Padova {Padua}, Italy |
| Appointed | Pietro , O.F.M. † | Titular Bishop of Marcopolis | Auxiliary Bishop of Padova {Padua}, Italy |
| Died | Ruggero , O.F.M. † | Bishop of Bovino, Italy |
| Appointed | Salviano † | Archbishop of Corfù, Greece |
| Died | Gebhard von Schrapelau † | Bishop of Merseburg, Germany |
| Appointed | Ugo de San Francisco, O.F.M. † | Bishop of Sessa Aurunca, Italy |
| Died | Gherardo Spinola, O.F.M. † | Bishop of Brugnato, Italy |
| Appointed | Tolon de Tolono † | Bishop of Šibenik (Knin), Croatia |
| Died | Tommaso † | Bishop of Telese o Cerreto Sannita, Italy |
| Appointed | Michele da Verona, O.P. † | Bishop of Mylopotamos, Greece | Bishop of Chioggia, Italy |
| Born | Konrad von Weinsberg † | | Archbishop of Mainz, Germany |
26 Jan | | Appointed | Lamberto Guidiccioni † | Bishop of Brugnato, Italy |
| Selected | Ralph Stratford † | Bishop of London, England, Great Britain |
19 Feb | | Died | Berenguer Prat † | Bishop of Tortosa, Spain |
5 Mar | | Died | Barthélémy Grassi † | Bishop of Fréjus, France |
12 Mar | | Ordained Bishop | Ralph Stratford † | Bishop of London, England, Great Britain |
17 Mar | | Appointed | Guillaume de Capodiferro † | Archbishop of Chieti, Italy |
| Appointed | Dionigi De’ Roberti, O.E.S.A. † | Bishop of Monopoli, Italy |
20 Mar | | Appointed | Giovanni † | Bishop of Sutri, Italy |
23 Mar | | Died | Raymond de Galard † | Bishop of Condom, France |
| Appointed | Pietro da Geronsa, O.F.M. † | Archbishop of Durrës (Durazzo), Albania |
1 Apr | | Died | Raymond de Montaigu † | Bishop of Clermont, France |
4 Apr | | Died | William de Melton † | Archbishop of York, England, Great Britain |
8 Apr | | Died | Konrad von Klingenberg † | Bishop of Freising, Germany |
15 Apr | | Born | Angelo Acciaioli † | | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| Died | Geoffroy de Faé † | Bishop of Évreux, France |
2 May | | Selected | William Zouch † | Archbishop of York, England, Great Britain |
8 May | | Died | Jean d’Avaugour † | Bishop of Dol, France |
23 May | | Appointed | Pietro † | Archbishop of Santa Severina, Italy |
8 Jun | | Died | Gunnar Thomas de Hosaby (Tynnesson) † | Bishop of Skara, Sweden |
14 Jul | | Appointed | Olivier Salahadin † | Bishop of Nantes, France |
23 Jul | | Ordained Bishop | Guillaume de Capodiferro † | Archbishop of Chieti, Italy |
26 Jul | | Died | Raimondo de Gramat † | Bishop of Monte Cassino, Italy |
18 Aug | | Died | Matteo Orsini, O.P. † | Cardinal, Cardinal-Bishop of Sabina |
20 Sep | | Died | Guglielmo di Sure † | Archbishop of Lyon, France |
Oct | 58.7 | Appointed | Étienne Aubert † | Bishop of Clermont, France | Pope (Roma {Rome}, Italy) |
8 Oct | | Died | Francesco Gattula † | Bishop of Gaeta, Italy |
11 Oct | 27.7 | Appointed | Guy de Boulogne † | Archbishop of Lyon, France | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| Appointed | Pierre d’André † | Bishop of Noyon, France | Bishop of Cambrai, France |
| Died | Nikolus von Stachowitz (Ybbs) † | Bishop of Regensburg, Germany |
13 Oct | | Appointed | Jean Happe † | Bishop of Chalons-sur-Marne, France |
20 Oct | | Appointed | Robert de Brécourt † | Bishop of Évreux, France |
23 Oct | | Appointed | Giovanni de Paperoni † | Archbishop of Oristano, Italy |
25 Oct | | Appointed | Henri Dubois † | Bishop of Dol, France |
| Appointed | Pierre de Galard, O.S.B. † | Bishop of Condom, France |
Nov | | Ordained Bishop | Jean Happe † | Bishop of Chalons-sur-Marne, France |
6 Nov | | Appointed | Bonifazio de Mutina † | Bishop of Como, Italy |
| Appointed | Jean d’Arpadelle † | Bishop of Fréjus, France |
| Appointed | Beltramino Paravicini † | Bishop of Bologna, Italy |
| Appointed | Guido di San Germano † | Bishop of Monte Cassino, Italy |
| Appointed | Tommaso † | Bishop of Telese o Cerreto Sannita, Italy |
| Appointed | Ligus de Urbeveteri † | Bishop of Nola, Italy |
12 Nov | | Ordained Bishop | Robert de Brécourt † | Bishop of Évreux, France |
Dec | | Ordained Bishop | Henri Dubois † | Bishop of Dol, France |
| Ordained Bishop | Pierre de Galard, O.S.B. † | Bishop of Condom, France |
4 Dec | 50.9 | Died | Henry Burghersh † | Bishop of Lincoln, England, Great Britain |
| Died | Ferrer de Colom † | Bishop of Lérida, Spain |
6 Dec | | Died | Egidio di Gallutiis, O.P. † | Archbishop of Candia {Crete}, Greece |