Date | Age | Event | Bishop | Title | Current Title |
unknown | | Born | Pedro de Agurto, O.S.A. † | | Bishop of Cebu, Philippines |
| Born | Antonio Atzori † | | Bishop of Bosa, Italy |
| Born | Jerónimo Barreto † | | Bishop of Faro {Algarve}, Portugal |
| Died | Richard Barrett † | Bishop of Killala, Ireland |
| Born | Andrés Cabrera Bobadilla † | | Archbishop of Zaragoza, Spain |
| Born | Giovanni Ambrogio Caccia † | | Bishop Emeritus of Castro [del Lazio], Italy |
| Born | Annibale de Capua † | | Archbishop of Napoli {Naples}, Italy |
| Resigned | Rosmano Casamassima † | Bishop of Polignano (Polinianum), Italy | Bishop Emeritus |
| Born | Michael Consoli, C.R. † | | Bishop of Sora, Italy |
| Died | Florent Coquerelle † | Archbishop of Sorrento, Italy |
58.0 | Appointed | Melchiorre Crivelli (Cribelli), O.P. † | Auxiliary Bishop of Milano {Milan}, Italy |
| Died | Sebastiano Deli di Castel Durante † | Bishop of Bitonto, Italy |
| Died | Imperiale Doria † | Bishop of Sagone (Sagona), France |
| Resigned | Jean de Plas † | Bishop of Bazas, France | Bishop Emeritus |
| Born | António de Sousa, O.P. † | | Bishop of Viseu, Portugal |
| Died | Antonello Eustachi † | Bishop of Lesina, Italy |
23.2 | Appointed | Alessandro Farnese (Jr.) † | Administrator of Bitonto, Italy | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| Resigned | William Fawell † | Auxiliary Bishop of Exeter, England, Great Britain | Auxiliary Bishop Emeritus |
| Died | Gaspar Flores † | Bishop of Salpi (Salapia), Italy |
45.0 | Resigned | Niccolò Gaddi † | Bishop of Fermo, Italy | Cardinal, Cardinal-Priest of Santa Maria in Via Lata |
| Born | Alonso González Aguilar † | | Bishop of León, Spain |
| Born | Aymar Hennequin † | | Bishop of Rennes, France |
64.0 | Died | Matthias von Jagow † | Bishop Emeritus of Brandenburg, Germany |
| Resigned | Bernard de Lordato † | Bishop of Pamiers, France | Bishop Emeritus |
| Died | Jean-Philibert de Loriol de Châles † | Bishop of Saint-Jean-de-Maurienne, France |
| Born | Paolo Manara, O.P. † | | Bishop of Acerno, Italy |
49.0 | Died | Pietro de’ Marchesi † | Bishop of Massa Lubrense, Italy |
| Born | Girolamo Matteucci † | | Bishop of Viterbo e Tuscania, Italy |
| Died | Silvio Messaglia, O. Cist. † | Bishop of Avellino e Frigento, Italy |
| Born | Juan Orozco Covarrubias y Leiva † | | Bishop of Guadix, Spain |
| Born | Girolamo Pamphilj † | | Cardinal, Cardinal-Priest of San Biagio dell’Anello |
| Born | Orazio Rapario † | | Bishop of Alessano, Italy |
41.5 | Resigned | Girolamo Recanati Capodiferro † | Bishop-Elect of Nice, France | Cardinal, Bishop of Saint-Jean-de-Maurienne, France |
| Resigned | Jean de Rieux † | Bishop of Saint-Brieuc, France | Bishop Emeritus |
| Appointed | Domingo Romeo, O.P. † | Auxiliary Bishop of Gerona, Spain |
| Appointed | Domingo Romeo, O.P. † | Titular Bishop of Utica | Auxiliary Bishop of Gerona, Spain |
| Resigned | Diego de Sarmiento, O. Cart. † | Bishop of Santiago de Cuba | Bishop Emeritus of Santiago de Cuba |
| Born | Francesco Scotti † | | Bishop of Termoli, Italy |
| Born | Camillo de Scribani † | | Bishop of Montepeloso, Italy |
| Resigned | Bartolomeo Abramo Siringi † | Bishop of Castellaneta, Italy | Bishop Emeritus |
| Died | Lorenzo Spada, O.F.M. Conv. † | Bishop of Calvi Risorta, Italy |
| Born | Janez Tavčar (Tautscher) † | | Bishop of Ljubljana (Laybach; Laibach), Slovenia |
| Died | Sebastián de Valladolid, O. Cist. † | Auxiliary Bishop of Orense, Spain |
4 Jan | 60.0 | Died | Sigismund von Lindenau † | Bishop of Merseburg, Germany |
20 Jan | | Ordained Bishop | Juan Yañez † | Bishop of Calahorra y La Calzada, Spain |
23 Jan | 20.3 | Appointed | Charles Bourbon de Vendôme † | Bishop of Saintes, France | Cardinal, Archbishop of Rouen, France |
24 Jan | | Died | George Crichton, C.R.S.A. † | Bishop of Dunkeld, Scotland, Great Britain |
27 Jan | | Died | Erasmus Manteuffel-Arnhausen † | Bishop of Kammin (Camin), Germany |
30 Jan | 41.2 | Appointed | Giacomo Nacchianti, O.P. † | Bishop of Chioggia, Italy |
| Appointed | Panfilo Strassoldo † | Archbishop of Dubrovnik (Ragusa), Croatia |
18 Feb | 73.7 | Appointed | Pietro Bembo, O.S.Io.Hieros. † | Cardinal, Administrator of Bergamo, Italy |
| Appointed | Odoardo Cicala † | Bishop of Sagone (Sagona), France |
40.1 | Appointed | Pietro Lippomano † | Bishop of Verona, Italy |
19 Feb | | Died | Hérard de Grossoles de Flamarens † | Bishop of Condom, France |
29 Feb | 42.8 | Appointed | Marcello Cervini † | Bishop of Gubbio, Italy | Pope (Roma {Rome}, Italy) |
44.1 | Appointed | Juan Solano, O.P. † | Bishop of Cuzco, Peru | Bishop Emeritus |
49.1 | Appointed | Antonio de Valdivieso, O.P. † | Bishop of Nicaragua |
11 Mar | 24.6 | Ordained Priest | Giovanni Antonio Facchinetti de Nuce † | Priest | Pope (Roma {Rome}, Italy) |
15 Mar | 74.2 | Died | Dominik Malachowski, O.P. † | Auxiliary Bishop of Kraków, Poland |
16 Mar | | Ordained Bishop | Rostaing de La Baume de Suze, O. Cist. † | Bishop of Orange, France |
38.2 | Ordained Bishop | Claude de La Guiche † | Bishop of Agde, France | Bishop Emeritus of Mirepoix, France |
17 Mar | 27.2 | Appointed | Pyrrhus Antonio Casamassima † | Bishop of Polignano (Polinianum), Italy |
| Appointed | Robert Crichton † | Bishop of Dunkeld, Scotland, Great Britain |
20.2 | Appointed | Bartolomeo Siringi † | Bishop of Castellaneta, Italy | Bishop Emeritus |
22 Mar | 56.0 | Died | Johan (Joannes Magni) Månsson (Gothus) † | Archbishop of Uppsala, Sweden |
26 Mar | 76.2 | Died | Giovanni Carandolet † | Archbishop of Palermo, Italy |
30 Mar | 69.3 | Ordained Bishop | Bartolomé de las Casas (Casaus), O.P. † | Bishop of Chiapas (Ciudad Real de Chiapas), México | Bishop Emeritus |
Apr | 40.6 | Appointed | Giovanni Della Casa † | Apostolic Nuncio to Venice, Italy | Archbishop of Benevento, Italy |
2 Apr | 77.2 | Appointed | Giorgio Andreasi † | Bishop of Reggio Emilia, Italy |
| Appointed | Pierre du Chastel † | Bishop of Mâcon, France | Bishop of Orléans, France |
40.6 | Appointed | Giovanni Della Casa † | Archbishop of Benevento, Italy |
| Resigned | Francesco della Rovere † | Archbishop of Benevento, Italy | Archbishop Emeritus |
| Appointed | François de Faucon † | Bishop of Tulle, France | Bishop of Carcassonne, France |
| Appointed | Gilles Gaude (Gardz, Gundz), O.P. † | Auxiliary Bishop of Nantes, France |
| Appointed | Gilles Gaude (Gardz, Gundz), O.P. † | Titular Bishop of Raphanea | Auxiliary Bishop of Nantes, France |
74.2 | Appointed | Bartolomeo Guidiccioni † | Administrator of Chiusi, Italy | Cardinal, Bishop of Lucca, Italy |
8 Apr | 19.2 | Appointed | Jean de Barbançon † | Bishop of Pamiers, France | Former Bishop-Elect |
15 Apr | | Born | Ottavio Mirto Frangipani † | | Archbishop of Taranto, Italy |
21 Apr | 54.3 | Appointed | Jobst von der Recke † | Bishop of Dorpat (Tartu), Estonia | Bishop Emeritus |
2 May | 40.3 | Appointed | Pablo Gil de Talavera † | Bishop of Tlaxcala (Puebla de los Angeles), México |
4 May | 67.3 | Died | Pierre de La Baume † | Cardinal, Archbishop Emeritus of Besançon, France |
6 May | 60.3 | Died | Sebastian Branicki Korczack † | Bishop of Poznań, Poland |
9 May | | Appointed | Giovanni Battista Provana † | Bishop of Nice, France |
| Appointed | Tommaso Stella, O.P. † | Auxiliary Bishop of Adria, Italy | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| Appointed | Tommaso Stella, O.P. † | Bishop of Salpi (Salapia), Italy | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
18 May | | Ordained Bishop | Tommaso Stella, O.P. † | Bishop of Salpi (Salapia), Italy | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
4 Jun | 56.7 | Appointed | Giovanni Maria Ciocchi del Monte † | Bishop of Pavia, Italy | Pope (Roma {Rome}, Italy) |
| Appointed | Gian Antonio Fassano (Phassarus, Fasside) † | Auxiliary Bishop of Monreale, Italy |
| Appointed | Gian Antonio Fassano (Phassarus, Fasside) † | Titular Bishop of Christopolis | Auxiliary Bishop of Monreale, Italy |
39.4 | Appointed | Georg Flach, O.S.B. † | Auxiliary Bishop of Würzburg, Germany |
39.4 | Appointed | Georg Flach, O.S.B. † | Titular Bishop of Salona | Auxiliary Bishop of Würzburg, Germany |
46.1 | Resigned | Jean de Lorraine † | Administrator of Verdun, France | Cardinal, Bishop of Metz, France |
19.6 | Appointed | Nicolas de Lorraine † | Bishop of Verdun, France | Former Bishop-Elect |
53.6 | Appointed | Olaus Månsson † | Archbishop of Uppsala, Sweden |
| Appointed | Francisco Roures, O.P. † | Auxiliary Bishop of Tarragona, Spain |
| Appointed | Francisco Roures, O.P. † | Titular Bishop of Nicopolis in Palaestina | Auxiliary Bishop of Tarragona, Spain |
19 Jun | | Ordained Bishop | Domingo Romeo, O.P. † | Titular Bishop of Utica | Auxiliary Bishop of Gerona, Spain |
25 Jun | 56.7 | Resigned | Giovanni Maria Ciocchi del Monte † | Archbishop of Manfredonia, Italy | Pope (Roma {Rome}, Italy) |
| Appointed | Baldassare Marachi (Monaco), O.S.A. † | Bishop of Lesina, Italy |
| Died | Johannes Münster † | Auxiliary Bishop Emeritus of Mainz, Germany |
| Appointed | Pietro Francesco de Nobilibus † | Auxiliary Bishop of Pavia, Italy |
| Appointed | Pietro Francesco de Nobilibus † | Titular Bishop of Chunavia | Auxiliary Bishop of Pavia, Italy |
45.6 | Appointed | Giovanni Ricci † | Archbishop of Manfredonia, Italy | Cardinal, Archbishop of Pisa, Italy |
27 Jun | 45.6 | Appointed | Giovanni Ricci † | Apostolic Nuncio to Portugal | Cardinal, Archbishop of Pisa, Italy |
30 Jun | | Ordained Bishop | Gian Antonio Fassano (Phassarus, Fasside) † | Titular Bishop of Christopolis | Auxiliary Bishop of Monreale, Italy |