Date | Age | Event | Bishop | Title | Current Title |
unknown | | Born | Giuseppe Acquaviva † | | Titular Archbishop of Thebae |
| Born | Fernando Andrade Sotomayor † | | Archbishop of Santiago de Compostela, Spain |
| Born | Alderano Bellati (Bellatto) † | | Bishop Emeritus of Bisignano, Italy |
80.0 | Died | Pál Bornemissza † | Bishop of Nitra, Slovakia |
66.0 | Died | Pietro Antonio Di Capua † | Archbishop of Otranto, Italy |
| Born | Gil Carrillo de Albornoz † | | Cardinal, Archbishop Emeritus of Taranto, Italy |
| Born | Altobello Carissimi † | | Bishop of Minervino Murge, Italy |
| Died | Antonius Lucurri (Cogorno), O.P. † | Bishop Emeritus of Brugnato, Italy |
| Born | Nicolas Dallós † | | Bishop of Győr (Raab), Hungary |
| Died | Antonio Bargaeus de Angelis † | Bishop of Massa Marittima, Italy |
| Died | Giovanni Ludovico da Campania † | Bishop of Mottola (Motula), Italy |
| Born | Pierre d’Hardivillier † | | Archbishop of Bourges, France |
| Born | Francesco Diotallevi † | | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| Died | Vincenzo Ferreri † | Bishop of Umbriatico (Umbriaticum), Italy |
| Died | Agostino Folignatti (Molignatus) † | Bishop of Bertinoro, Italy |
| Died | Gregorio Forbicini † | Bishop of Strongoli, Italy |
16.0 | Professed | Francesco Andrea Gelsomini, O.E.S.A. † | Member of Order of Hermits of St. Augustine | Bishop of Ascoli Satriano (Puglia), Italy |
33.0 | Appointed | Francesco Gonzaga, O.F.M. Obs. † | Minister General of Order of Observant Friars Minor | Bishop of Mantova, Italy |
| Born | Matteo Granito † | | Archbishop of Amalfi, Italy |
| Resigned | Bernardus Herinck † | Bishop of Deventer, Netherlands | Bishop Emeritus |
| Born | Antonio Idiáquez Manrique † | | Bishop of Segovia, Spain |
| Born | Bernardo Lacabra † | | Archbishop of Cagliari, Italy |
| Born | Giovanni Tommaso Malloni (Mallono), C.R.S. † | | Bishop of Belluno, Italy |
| Born | Ivan Tomko Mrnavić (Marnavich) † | | Bishop of Bosnia (Bosna, Diacovar, Diakovar), Croatia |
| Born | Vincenzo Martena † | | Bishop of Senj, Croatia |
| Born | Alfonso Mendes, S.J. † | | Patriarch of Ethiopia |
| Born | Raymond de Montaigne † | | Bishop of Bayonne, France |
| Ordained Bishop | Juan Montalvo, O.P. † | Bishop of Cartagena, Colombia |
71.0 | Died | Jean de Montluc † | Bishop Emeritus of Valence and Die, France |
| Died | Odo Hugh O’Sheridan (Ogendriamus) † | Bishop of Kilmore, Ireland |
| Born | Johann Heinrich von Ostein † | | Bishop of Basel, Switzerland |
| Born | Placido Padiglia, O.S.B. † | | Bishop of Alessano, Italy |
| Born | Cipriano Pavoni, O.S.B. † | | Bishop of Rimini, Italy |
| Died | Robert de Pellevé † | Bishop of Pamiers, France |
| Resigned | Matteo Priuli † | Bishop of Vicenza, Italy | Bishop Emeritus |
74.0 | Died | Walerian Protosewicz † | Bishop of Vilnius, Lithuania |
50.0 | Resigned | François de Salignac de La Mothe-Fénelon † | Bishop of Sarlat, France | Bishop Emeritus |
| Born | Giovanni Battista Scanaroli (Scannaroli) † | | Titular Bishop of Sidon |
| Resigned | Giovanni Battista Serbelloni † | Bishop of Cassano all’Jonio, Italy | Bishop Emeritus |
| Born | Onufrius Sersagli † | | Bishop of Carinola (Calina), Italy |
| Born | Antonio Trejo de Sande Paniagua, O.F.M. † | | Bishop of Cartagena (en España) |
| Born | Thomas Walsh † | | Archbishop of Cashel, Ireland |
2 Jan | 23.4 | Ordained Priest | Louis II de Guise de Lorraine † | Priest | Cardinal, Archbishop of Reims, France |
9 Jan | | Appointed | Antonio de Hervias, O.P. † | Bishop of Verapaz, Guatemala | Bishop of Cartagena, Colombia |
| Appointed | Pedro García Galarza † | Bishop of Coria, Spain |
| Appointed | Alfonso Graniero Avalos † | Bishop of La Plata o Charcas, Bolivia |
| Appointed | Ambroz Antun Kapić (Capizzi), O.F.M. Obs. † | Archbishop of Bar (Antivari), Montenegro |
49.0 | Appointed | Jerónimo Manrique de Lara † | Bishop of Salamanca, Spain |
| Appointed | Attilio Serrano † | Auxiliary Bishop of Porto e Santa Rufina, Italy |
| Appointed | Attilio Serrano † | Titular Bishop of Sidon | Auxiliary Bishop of Porto e Santa Rufina, Italy |
18 Jan | | Died | Jorge de Santa Luzia, O.P. † | Bishop Emeritus of Malacca, Singapore | Bishop |
23 Jan | | Appointed | Gilberto Isfar y Corillas † | Bishop of Patti, Italy |
25 Jan | 44.4 | Ordained Bishop | Juan de Sanclemente Torquemada † | Bishop of Orense, Spain | Archbishop of Santiago de Compostela, Spain |
26 Jan | | Born | Gabriel de L’Aubespine † | | Bishop of Orléans, France |
27 Jan | | Born | Antonio Tornielli † | | Bishop of Novara, Italy |
30 Jan | | Appointed | Giovanni Battista Baldi † | Bishop of Nebbio, France |
47.0 | Resigned | Juan Manuel de la Cerda † | Bishop of Sigüenza, Spain | Bishop Emeritus |
| Appointed | Benedetto Garetti, O.F.M. Obs. † | Bishop of Chios (Scio), Greece |
33.0 | Appointed | Nicolò Mascardi † | Bishop of Brugnato, Italy | Bishop of Accia and Mariana, France |
1 Feb | | Ordained Bishop | Franjo Župan, O.F.M. Conv. † | Bishop of Kotor (Cattaro), Montenegro | Bishop Emeritus |
6 Feb | | Appointed | Tiberio Carafa † | Bishop of Cassano all’Jonio, Italy |
| Appointed | Alfonso Guerra, O.P. † | Bishop of Paraguay (o Ssma Assunzione) | Bishop of Michoacán, México |
| Appointed | Sebastián Ocando, O.F.M. Obs. † | Bishop of Santa Marta, Colombia |
67.0 | Appointed | Domingo Salazar, O.P. † | Bishop of Manila, Philippines |
8 Feb | 40.4 | Ordained Bishop | Claude d’Angennes † | Bishop of Noyon, France | Bishop of Le Mans, France |
13 Feb | | Appointed | Matteo Colli † | Bishop of Marsi, Italy |
22 Feb | | Born | Nicolas Dufiff † | | Bishop-Elect of Arras, France |
9 Mar | 21.1 | Appointed | Louis de Salignac de La Mothe-Fénelon † | Bishop of Sarlat, France |
16 Mar | 36.2 | Appointed | Emiliano Bombini † | Bishop of Umbriatico (Umbriaticum), Italy |
19 Mar | | Died | Bertrando de Romanis † | Bishop of Fréjus, France |
22 Mar | 33.2 | Ordained Bishop | Nicolò Mascardi † | Bishop of Brugnato, Italy | Bishop of Accia and Mariana, France |
26 Mar | 69.2 | Died | Christoph von Lamberg † | Bishop Emeritus of Seckau, Austria |
29 Mar | 49.2 | Ordained Bishop | Jerónimo Manrique de Lara † | Bishop of Salamanca, Spain |
30 Mar | | Appointed | Bernardo Gascó † | Bishop of Mazara del Vallo, Italy |
| Appointed | Giovanni Luigi Guarini † | Bishop of Aquino, Italy |
| Appointed | Antonio Lombardo † | Bishop of Agrigento (Girgenti), Italy | Archbishop of Messina, Italy |
| Appointed | Louis de Tartre, O. Cist. † | Auxiliary Bishop of Besançon, France |
| Appointed | Louis de Tartre, O. Cist. † | Titular Bishop of Nicopolis in Palaestina | Auxiliary Bishop of Besançon, France |
8 Apr | | Died | Orazio Montegranelli † | Bishop of Fossombrone, Italy |
26 Apr | 31.3 | Ordained Bishop | Claude de Granier, O.S.B. † | Bishop of Genève {Geneva}, Switzerland |
27 Apr | 40.8 | Appointed | Alberto Bolognetti † | Cardinal, Bishop of Massa Marittima, Italy |
53.3 | Appointed | Gil Ruiz de Lihori, C.R.S.A. † | Bishop of Segorbe, Spain |
29 Apr | 54.4 | Died | Diego de Landa, O.F.M. † | Bishop of Yucatán (Mérida), México |
15 May | 30.2 | Appointed | Ottavio Accoramboni † | Bishop of Fossombrone, Italy | Archbishop Emeritus of Urbino, Italy |
| Appointed | Johann Baptist Pichlmair † | Auxiliary Bishop of Regensburg, Germany |
| Appointed | Johann Baptist Pichlmair † | Titular Bishop of Halmiros | Auxiliary Bishop of Regensburg, Germany |
| Appointed | Baltazar Radlič † | Bishop of Ljubljana (Laybach; Laibach), Slovenia | Bishop-Elect |
44.3 | Appointed | Miklós Telegdy † | Bishop of Pécs, Hungary |
16 May | 41.3 | Appointed | St. Toribio Alfonso de Mogrovejo † | Archbishop of Lima, Peru |
22 May | | Appointed | François de Bouliers † | Bishop of Fréjus, France |
67.3 | Appointed | Christophe Cheffontaines (Capitefontium), O.F.M. Obs. † | Auxiliary Bishop of Sens, France |
67.3 | Appointed | Christophe Cheffontaines (Capitefontium), O.F.M. Obs. † | Titular Bishop of Caesarea in Palaestina | Auxiliary Bishop of Sens, France |
| Appointed | Domenico di Grammatica † | Archbishop of Naxos, Greece |
40.3 | Appointed | Juan Terés † | Bishop of Elne, France | Archbishop of Tarragona, Spain |
27 May | 42.4 | Appointed | Giovanni Francesco Bonomigni (Bonomi, Bonhomini) † | Apostolic Nuncio to Switzerland | Bishop of Vercelli, Italy |
1 Jun | 35.4 | Appointed | Girolamo Matteucci † | Archbishop of Dubrovnik (Ragusa), Croatia | Bishop of Viterbo e Tuscania, Italy |
4 Jun | 53.4 | Died | Edmund Tanner † | Bishop of Cork and Cloyne, Ireland |
8 Jun | 30.3 | Ordained Bishop | Ottavio Accoramboni † | Bishop of Fossombrone, Italy | Archbishop Emeritus of Urbino, Italy |
| Died | Romolo de Valenti † | Bishop of Conversano, Italy |
22 Jun | 43.4 | Died | David Kölderer von Burgstall † | Bishop of Regensburg, Germany |
26 Jun | | Appointed | Juan Castellano Orozco † | Bishop of Siracusa, Italy |
| Appointed | Lorenzo Figueroa Córdoba, O.P. † | Bishop of Sigüenza, Spain |
| Appointed | Miguel Rubio, O. Cist. † | Bishop of Ampurias e Civita, Italy |