| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | | Born | Paul Aldringen † | | Auxiliary Bishop of Strasbourg, France |
| Born | Francesco Arcudio, C.R. † | | Bishop of Nusco, Italy |
| Died | Giovanni Battista Baldi † | Bishop of Nebbio, France |
| Ordained Bishop | Franjo Baličević, O.F.M. † | Bishop of Bosnia (Bosna, Diacovar, Diakovar), Croatia | Bishop Emeritus |
| 45.0 | Died | Jerónimo Barreto † | Bishop of Faro {Algarve}, Portugal |
| 53.0 | Died | Pietro Bembo † | Bishop of Krk (Veglia), Croatia |
| Died | Felice Bertodano † | Bishop of Mondovi, Italy |
| Born | Martín de Bonilla Granada † | | Bishop of Ávila, Spain |
| Born | Francesco Cavaliere † | | Bishop of Valva e Sulmona, Italy |
| Born | Domenico Cecchini † | | Cardinal, Cardinal-Deacon of San Sisto |
| 37.0 | Professed | Luís Cerqueira, S.J. † | Member of Society of Jesus | Bishop of Funay (Funai), Japan |
| Ordained Priest | Pedro Cifuentes Loarte † | Priest | Bishop of Ávila, Spain |
| Born | Joachim d’Estaing † | | Bishop of Clermont, France |
| Born | Nicolás de la Torre Muńoz † | | Bishop of Santiago de Cuba |
| Resigned | Orazio de Mirto † | Bishop of Ruvo (Ruo)(di Puglia), Italy | Bishop Emeritus |
| Born | Giovanni Delfino † | | Bishop Emeritus of Belluno, Italy |
| Died | Jacques Desprez de Montpezat † | Bishop-Elect of Montauban, France |
| 56.0 | Died | Andrija Dudić (Dudith Sbardellati) † | Bishop Emeritus of Pécs, Hungary |
| Born | Miguel Escartín Arbeza, O. Cist. † | | Bishop of Tarazona, Spain |
| 39.0 | Resigned | José (Giuseppe) Esteve Juan (Stefano) † | Bishop of Vieste, Italy | Bishop of Orihuela, Spain |
| Born | Giovanni Francesco Fossati, O.S.B. † | | Bishop of Tortona, Italy |
| Appointed | Joseph † | Archbishop of Urmyā {Rezayeh} (Chaldean), Iran |
| Ordained Bishop | Joseph † | Archbishop of Urmyā {Rezayeh} (Chaldean), Iran |
| Born | Francis Kirwan † | | Bishop of Killala, Ireland |
| Died | Diego de León, O. Carm. † | Auxiliary Bishop of Manfredonia, Italy |
| Born | Jacques Raoul de La Guibourgčre † | | Bishop of La Rochelle, France |
| Born | Jan Lipski † | | Archbishop of Gniezno, Poland |
| Born | Jan Madaliński, O. Cist. † | | Auxiliary Bishop of Gniezno, Poland |
| Born | Giovanni Battista Malaspina † | | Bishop of Massa Marittima, Italy |
| 30.0 | Ordained Priest | Johann Jakob Mirgel † | Priest | Auxiliary Bishop of Konstanz {Constance}, Germany |
| Born | Charles de Montchal † | | Archbishop of Toulouse, France |
| 51.2 | Resigned | Gianfrancesco Morosini † | Apostolic Nuncio to France | Cardinal, Bishop of Brescia, Italy |
| Appointed | Thaddeus O’Farrell (MacEoga), O.P. † | Auxiliary Bishop of Sigüenza, Spain | Bishop of Clonfert, Ireland |
| 40.9 | Appointed | Giovanni Evangelista Pallotta † | Archpriest of the Basilica di San Pietro in Vaticano {Saint Peter Basilica} | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 29.0 | Ordained Priest | Alessandro Papatodoro † | Priest | Bishop of Belcastro, Italy |
| Born | Philippe Paternay, O.M. † | | Auxiliary Bishop of Besançon, France |
| Died | Fabio Polverone † | Bishop of Ischia, Italy |
| Born | Vincenzo Rabatta † | | Archbishop of Chieti, Italy |
| Died | Girolamo Riggio † | Prelate of Santa Lucia del Mela, Italy |
| Born | Alessandro Rossi † | | Bishop of Ariano, Italy |
| Resigned | Flaminio Roverella † | Bishop of Satriano e Campagna, Italy | Bishop Emeritus |
| Died | Francesco Antonio Santorio † | Archbishop of Acerenza e Matera, Italy |
| Born | André du Saussay † | | Bishop of Toul, France |
| Born | Francesco Sperelli † | | Bishop of San Severino (Marche), Italy |
| Died | Luca Spingaroli, O.P. † | Bishop of Šibenik (Knin), Croatia |
| Born | Johann Sternenberg (de Dusseldorf) † | | Auxiliary Bishop Emeritus of Münster, Germany |
| Died | Lelio (Aurelio) Zibramonti (Gibramontis) † | Bishop of Casale Monferrato, Italy |
| 2 Jan | 68.0 | Died | Stefano (Agostino) Bonucci, O.S.M. † | Cardinal, Bishop of Arezzo, Italy |
| 3 Jan | 51.2 | Ordained Bishop | Agostinho a Jesu (Pedro) de Castro, O.S.A. † | Archbishop of Braga, Portugal |
| 5 Jan | 62.0 | Died | Joannes Hauchin † | Archbishop of Mechelen, Belgium |
| 9 Jan | 39.5 | Installed | Francesco Maria Bourbon Del Monte Santa Maria † | Cardinal-Deacon of Santa Maria in Domnica | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 24.3 | Appointed | Federico Borromeo (Sr.) † | Cardinal-Deacon of Santi Cosma e Damiano | Cardinal, Archbishop of Milano {Milan}, Italy |
| 47.0 | Installed | Agostino Cusani † | Cardinal-Deacon of Sant’Adriano al Foro | Cardinal, Cardinal-Priest of Santi Giovanni e Paolo |
| 50.0 | Appointed | Pietro Usimbardi † | Bishop of Arezzo, Italy |
| 15 Jan | | Ordained Bishop | Paolo Tasso † | Archbishop of Lanciano, Italy |
| 16 Jan | 34.0 | Appointed | Márton Pethe de Hetes † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania | Archbishop of Kalocsa, Hungary |
| 23 Jan | | Appointed | István Mathisy † | Bishop of Vác, Hungary |
| Appointed | Luciano Rosso (de Rubeis) † | Bishop of Mazara del Vallo, Italy |
| 30 Jan | 31.0 | Appointed | Alvise Cornaro † | Titular Bishop of Paphus | Bishop of Padova {Padua}, Italy |
| 47.0 | Resigned | Vincenzo Cutelli † | Bishop of Catania, Italy | Bishop Emeritus |
| 44.0 | Appointed | János Kutasy † | Bishop of Pécs, Hungary | Archbishop of Esztergom, Hungary |
| Died | Antonio Manrique, O.F.M. Obs. † | Bishop of Calahorra y La Calzada, Spain |
| Died | Bartolomé Molina † | Bishop of Tuy, Spain |
| 31 Jan | | Died | Hector Wegmann † | Auxiliary Bishop of Passau, Germany |
| 6 Feb | | Born | Léonor d’Estampes de Valançay, O.S.B. † | | Archbishop of Reims, France |
| 12 Feb | 50.1 | Ordained Bishop | Pietro Usimbardi † | Bishop of Arezzo, Italy |
| 19 Feb | 35.1 | Ordained Bishop | Christophe de la Vallée † | Bishop of Toul, France |
| 20 Feb | 31.0 | Appointed | Alvise Cornaro † | Coadjutor Bishop of Padova {Padua}, Italy | Bishop |
| Appointed | János Cserödy † | Bishop of Knin (Tinin), Croatia |
| 27 Feb | | Appointed | Vincenzo Bassi † | Bishop of Šibenik (Knin), Croatia | Bishop of Andria, Italy |
| Appointed | Pál Szegedy † | Bishop of Csanád, Hungary |
| 28 Feb | | Born | Gregor Kathmann von Maurugk † | | Prefect of Lausitz (Lusatia), Germany |
| 2 Mar | 54.1 | Appointed | Ińigo Avalos de Aragón, O.S. † | Cardinal-Bishop of Frascati | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| Appointed | Juan Corrionero † | Bishop of Catania, Italy |
| 68.4 | Died | Alessandro Farnese (Jr.) † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 61.4 | Appointed | Tolomeo Gallio † | Cardinal-Bishop of Sabina | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 48.3 | Appointed | Alfonso Gesualdo di Conza (Gonza) † | Cardinal-Bishop of Porto e Santa Rufina | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 65.9 | Appointed | Vincenzo Lauro † | Cardinal-Priest of San Clemente | Cardinal, Bishop Emeritus of Mondovi, Italy |
| 74.4 | Appointed | Prospero Publicola Santacroce † | Cardinal, Cardinal-Bishop of Albano |
| 70.1 | Appointed | Giovanni Antonio Serbelloni † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 5 Mar | 31.1 | Ordained Bishop | Alvise Cornaro † | Titular Bishop of Paphus | Bishop of Padova {Padua}, Italy |
| 6 Mar | 41.1 | Installed | Juan Hurtado de Mendoza † | Cardinal, Cardinal-Priest of Santa Maria in Traspontina |
| 9 Mar | 68.1 | Appointed | Agustín de Cisneros Montesa † | Bishop of La Imperial, Chile |
| Born | Baltasar Moscoso y Sandoval † | | Cardinal, Archbishop of Toledo, Spain |
| 13 Mar | 18.1 | Appointed | Alessandro Damasceni Peretti † | Cardinal-Deacon of San Lorenzo in Damaso | Cardinal, Cardinal-Bishop of Albano |
| 20 Mar | 24.5 | Appointed | Federico Borromeo (Sr.) † | Cardinal-Deacon of Sant’Agata de’ Goti | Cardinal, Archbishop of Milano {Milan}, Italy |
| 34.7 | Appointed | Benedetto Giustiniani † | Cardinal-Deacon of Santa Maria in Cosmedin | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 42.1 | Appointed | Girolamo Mattei † | Cardinal-Deacon of Sant’Eustachio | Cardinal, Cardinal-Priest of San Pancrazio |
| Appointed | Pedro Portocarrero † | Bishop of Calahorra y La Calzada, Spain | Bishop of Cuenca, Spain |
| Appointed | Gašpar Stankovački † | Bishop of Zagreb (Agram), Croatia |
| Appointed | Štefan da Trnava, O.S.P.P.E. † | Bishop of Sirmio (Srijem; Sirmium), Croatia |
| 23 Mar | 23.2 | Succeeded | András Bathóry † | Bishop of Warmia (Ermland), Poland | Cardinal, Bishop-Elect |
| 76.3 | Died | Marcin Kromer † | Bishop of Warmia (Ermland), Poland |
| 29 Mar | | Born | Francisco Diego Alarcón y Covarrubias † | | Bishop of Córdoba, Spain |
| 10 Apr | 39.7 | Ordained Priest | Francesco Maria Bourbon Del Monte Santa Maria † | Priest | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 41.9 | Appointed | Michele Priuli † | Apostolic Nuncio to Florence (Tuscany), Italy | Bishop of Vicenza, Italy |
| 15 Apr | 55.2 | Died | Paolo del Grasso, C.R.L. † | Bishop of Cefalonia e Zante, Greece |
| 55.2 | Resigned | Antonio Puteo (del Pozzo) † | Apostolic Nuncio to Emperor | Archbishop of Bari (-Canosa), Italy |
| 37.2 | Appointed | Alfonso Visconte, C.O. † | Apostolic Nuncio to Emperor | Cardinal, Bishop of Spoleto, Italy |
| 17 Apr | | Appointed | Juan de Zuazola † | Bishop of Astorga, Spain |
| 21 Apr | | Selected | Nicolas de Briroy † | Bishop of Coutances, France |
| 24 Apr | 47.3 | Died | Marco Antonio Marsilio † | Archbishop of Salerno, Italy |
| 25 Apr | | Appointed | Marcantonio Venier † | Archbishop of Zadar (Zara), Croatia |
| 8 May | | Ordained Bishop | Juan Corrionero † | Bishop of Catania, Italy |
| 13 May | 60.8 | Died | Julius von Braunschweig-Lüneburg † | Former Bishop-Elect of Minden, Germany |
| 17 May | 54.3 | Appointed | Giovanni Antonio Viperani † | Bishop of Giovinazzo, Italy |
| 24 May | | Appointed | Sigismondo Zanettini † | Archbishop of Fermo, Italy |
| 26 May | | Resigned | Marcantonio Bizzoni † | Apostolic Nuncio to Naples, Italy | Bishop of Foligno, Italy |
| 29 May | | Appointed | Corrado Asinari † | Bishop of Vercelli, Italy |
| 57.6 | Resigned | Costanzo (Gasparo) de Sarnano (Torri), O.F.M. Conv. † | Bishop of Vercelli, Italy | Cardinal, Bishop Emeritus |
| 1 Jun | | Born | Simon Le Gras † | | Bishop of Soissons, France |
| Died | Giovanni Francesco Mazza de' Canobbi † | Bishop Emeritus of Forli, Italy |
| 4 Jun | | Ordained Bishop | Pedro Portocarrero † | Bishop of Calahorra y La Calzada, Spain | Bishop of Cuenca, Spain |
| Ordained Bishop | Juan de Zuazola † | Bishop of Astorga, Spain |
| 12 Jun | 65.1 | Appointed | Pietro Fauno Costacciaro † | Bishop of Vigevano, Italy |
| Appointed | Giovanni Battista Potentia, O.F.M. Conv. † | Coadjutor Archbishop of Amalfi, Italy |
| Appointed | Giovanni Battista Potentia, O.F.M. Conv. † | Titular Bishop of Tiberias | Coadjutor Archbishop of Amalfi, Italy |
| 18 Jun | | Ordained Bishop | Giovanni Battista Potentia, O.F.M. Conv. † | Titular Bishop of Tiberias | Coadjutor Archbishop of Amalfi, Italy |
| 20 Jun | | Born | Giovanni Battista Altieri (Sr.) † | | Cardinal, Bishop of Todi, Italy |
| 26 Jun | | Appointed | Domenico Carlo (de Venite), O.F.M. Conv. † | Bishop of Cefalonia e Zante, Greece |
| 30 Jun | | Appointed | Aloysius Cornelio † | Titular Bishop of Paphus |
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