| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Died | Crisostomo Arameo, O.S.B. † | Bishop of Stagno (Ston), Croatia |
| 67.0 | Died | Lorenzo Asprella † | Bishop of Massa Lubrense, Italy |
| 61.0 | Died | Antonio Atzori † | Bishop of Bosa, Italy |
| 62.2 | Resigned | St. Roberto Francesco Romolo Bellarmino, S.J. † | Archbishop of Capua, Italy | Cardinal, Archbishop Emeritus |
| 65.0 | Resigned | Girolamo Bernerio, O.P. † | Cardinal, Bishop of Ascoli Piceno, Italy |
| Died | Giovanni Battista Bernini, O.F.M. Conv. † | Bishop of Chiron, Greece |
| Born | Pierre de Bertier † | Tolosae | Bishop of Montauban, France |
| Born | Leonardus Bondumerius † | Venice | Archbishop Emeritus of Split (Spalato), Croatia |
| Born | Giovanni Battista Buonacorsi † | Florence | Bishop of Colle di Val d’Elsa, Italy |
| Resigned | Vincent Correrio Cammerota (Malatesta), O.P. † | Coadjutor Bishop of Muro Lucano, Italy | Coadjutor Bishop Emeritus |
| Born | Giambattista Candiotti † | S. Angelo in V | Archbishop of Urbino, Italy |
| Born | Vincenzo Candiotti † | S. Angelo in Vado | Bishop of Bagnoregio (Bagnorea), Italy |
| Died | Annibale Caracciolo † | Bishop of Isola, Italy |
| 67.0 | Died | Giovanni Anselmo Carminato † | Bishop of Alba (Pompea), Italy |
| Born | Silvestro D’Afflitto, C.R. † | Troiae | Bishop of Lucera, Italy |
| Born | Charles-François d’Anglure de Bourlémont † | | Archbishop of Toulouse, France |
| Born | Barthélemi d’Elbène † | | Bishop of Agen, France |
| Died | Martín Ignacio de Loyola † | Bishop of Paraguay |
| Born | Jean de Montpezat de Carbon † | Saint-Martory | Archbishop of Sens, France |
| Born | Jean d’Olce † | Basse-Navarre | Bishop of Bayonne, France |
| Appointed | Pierre du Nant de Grilly † | Abbot of Saint-Maurice, Switzerland |
| Died | Giovanni Domenico d’Ettore † | Bishop of Ostuni, Italy |
| Born | Diego Francés de Urrutigoyti y Lerma † | | Bishop of Tarazona, Spain |
| Born | Francisco Gaeta (Caieta) † | Salerno | Bishop of Bitetto, France |
| Born | Giovanni Granafei † | Mesagne | Archbishop of Bari (-Canosa), Italy |
| Died | Alessandro Guidiccioni † | Bishop Emeritus of Lucca, Italy |
| Born | Enrique Guzmán de Haros † | Madrid, Spain | Cardinal, Cardinal-Priest |
| Died | Juan Guzmán † | Patriarch of West Indies, Spain |
| Born | Denis de La Barde † | Gâtinais | Bishop of Saint-Brieuc, France |
| Born | Pietro Lanfranconi, O.S.A. † | Ancona | Bishop of Terni, Italy |
| Born | Nicolò Leti † | Spoletto | Bishop Emeritus of Acquapendente, Italy |
| Born | Stefano Martini † | Alassio | Bishop of Noli, Italy |
| 56.0 | Incardinated | Fernando Mendoza González † | Priest of Foreign Diocese | Bishop of Cuzco, Peru |
| Born | Gerolamo Francesco Miroglio † | Fontaneto | Bishop of Casale Monferrato, Italy |
| 28.0 | Ordained Priest | Joseph Mohr von Zernetz † | Priest | Bishop of Chur, Switzerland |
| 55.0 | Resigned | Lorenzo Monzonís Galatina, O.F.M. † | Bishop of Minervino Murge, Italy | Bishop of Pozzuoli, Italy |
| Succeeded | Scipione Montalegre † | Bishop of Isola, Italy |
| Born | Marco Morosini † | Venezia | Bishop of Brescia, Italy |
| Died | Bernardino Morra † | Bishop of Aversa, Italy |
| Born | Juan de Paredes, C.R.S.A. † | Burgen | Bishop of Gaeta, Italy |
| 19.3 | Selected | Armand-Jean du Plessis de Richelieu † | Bishop of Luçon, France | Cardinal, Bishop Emeritus |
| Born | Albert von Priamis † | Santa Maria in Vall Lagerina | Bishop of Lavant, Slovenia |
| Born | Nestor Rita † | | Titular Archbishop of Sebaste in Cilicia |
| Born | Carlo Roberti † | Rome, Italy | Cardinal, Cardinal-Priest of Santa Maria in Ara Coeli |
| Born | Leonardus Severoli † | Faventiae | Bishop of San Severo, Italy |
| Died | Francesco Maria Sforza † | Bishop of Conversano, Italy |
| Appointed | Claudius Sozomenus † | Auxiliary Bishop of Salzburg, Austria |
| Resigned | Claudius Sozomenus † | Bishop of Pula (Pola), Croatia | Auxiliary Bishop of Salzburg, Austria |
| Born | Syrus Straserra, C.R. † | Januae | Bishop of Ajaccio, France |
| Born | Mátyás Tarnóczy † | Zemianske Kostoľany | Bishop of Vác, Hungary |
| Born | Mikołaj Torosowicz † | | Archbishop of Lviv (Armenian), Ukraine |
| Died | Francisco Velarde de la Cuenca † | Archbishop of Messina, Italy |
| Born | Gilbert de Vény d’Arbouze † | | Bishop of Clermont, France |
| Born | Giacomo Villani † | | Bishop of Caiazzo, Italy |
| Born | Mateo de Sagade (Lazo de) Bugueiro † | Cartagena, Spain | Archbishop of Cartagena (en España) |
| 6 Jan | 57.0 | Died | Johann Nopel (Jr.) † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 7 Jan | 53.0 | Appointed | Sigismondo Donati † | Bishop of Ascoli Piceno, Italy |
| 48.1 | Installed | Jacques Davy Du Perron † | Cardinal-Priest of Sant’Agnese in Agone | Cardinal, Archbishop of Sens, France |
| Appointed | Lucas Duran, O.S. † | Bishop of Chiapas (Ciudad Real de Chiapas), México | Bishop of Albarracin, Spain |
| 44.0 | Appointed | Leone Fedeli, O.S.B. † | Bishop of Lavello, Italy |
| Appointed | Aloisio Grimani † | Archbishop of Candia, Greece |
| 57.0 | Installed | Bernard Maciejowski † | Cardinal-Priest of San Giovanni a Porta Latina | Cardinal, Archbishop of Gniezno, Poland |
| Appointed | Marcello Marchesi † | Bishop of Senj, Croatia |
| 9 Jan | 51.0 | Ordained Bishop | Juan Moriz Salazar † | Bishop of Barbastro, Spain | Bishop of Huesca, Spain |
| 10 Jan | 86.0 | Died | Philippe du Bec † | Archbishop of Reims, France |
| 30.0 | Succeeded | Louis III de Guise de Lorraine † | Archbishop of Reims, France | Cardinal, Archbishop-Elect |
| 12 Jan | 63.0 | Appointed | Juan Alvarez de Caldas † | Bishop of Oviedo, Spain | Bishop of Avila, Spain |
| 16 Jan | | Ordained Bishop | Aloisio Grimani † | Archbishop of Candia, Greece |
| Born | Giacinto Torisi (Tarugi), O.P. † | Orvieto | Bishop of Venosa, Italy |
| 19 Jan | | Born | Diego del Castillo y Arteaga † | Tudela | Bishop of Badajoz, Spain |
| 20 Jan | | Died | Lorenzo Figueroa Córdoba, O.P. † | Bishop of Sigüenza, Spain |
| 25 Jan | | Died | Gaspare Viviani † | Bishop of Anagni, Italy |
| 31 Jan | 60.1 | Appointed | Angelo Rocca, O.S.A. † | Titular Bishop of Thagaste |
| 4 Feb | | Died | Arnaldi de Pontac † | Bishop of Bazas, France |
| 6 Feb | 60.1 | Ordained Bishop | Angelo Rocca, O.S.A. † | Titular Bishop of Thagaste |
| 7 Feb | 50.1 | Appointed | Domingos Torrado, O.S.A. † | Auxiliary Bishop of Goa, India |
| 50.1 | Appointed | Domingos Torrado, O.S.A. † | Titular Bishop of Fisicula | Auxiliary Bishop of Goa, India |
| 18 Feb | | Born | Juan de Almoguera, O.SS.T. † | Córdova, Spain | Archbishop of Lima, Peru |
| 24 Feb | 83.1 | Died | Girolamo Simoncelli † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 25 Feb | | Died | Mario Bolognini † | Archbishop of Salerno, Italy |
| 1 Mar | | Born | Filiberto Alberto Bailly, B. † | Savoia | Bishop of Aosta, Italy |
| 3 Mar | 69.0 | Died | Ippolito Aldobrandini (Sr.) † | Pope (Roma {Rome}, Italy) |
| 5 Mar | | Appointed | Ascanio Sperelli † | Coadjutor Bishop of San Severino (Marche), Italy | Bishop |
| Appointed | Ascanio Sperelli † | Titular Bishop of Claudiopolis in Isauria | Bishop of San Severino (Marche), Italy |
| 14 Mar | 42.7 | Confirmed | François de Joyeuse † | Cardinal, Archbishop of Rouen, France |
| 1 Apr | 69.8 | Elected | Alessandro Ottaviano de’ Medici † | Pope (Roma {Rome}, Italy) |
| 10 Apr | 69.9 | Installed | Alessandro Ottaviano de’ Medici † | Pope (Roma {Rome}, Italy) |
| 27 Apr | 50.3 | Died | Girolamo Agucchi † | Cardinal, Cardinal-Priest of San Pietro in Vincoli |
| 69.9 | Died | Alessandro Ottaviano de’ Medici † | Pope (Roma {Rome}, Italy) |
| 2 May | | Died | Leonard Abel † | Titular Bishop of Sidon |
| 14 May | | Died | Dionys Burckard † | Auxiliary Bishop of Speyer, Germany |
| 16 May | 52.7 | Elected | Camillo Borghese † | Pope (Roma {Rome}, Italy) |
| Died | Marin Braiani (Brajanovic), O.F.M. † | Bishop Emeritus of Lezhë {Lesh, Alessio}, Albania |
| 29 May | 52.7 | Installed | Camillo Borghese † | Pope (Roma {Rome}, Italy) |
| 31 May | 51.4 | Died | Paolo Emilio Zacchia † | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 1 Jun | 34.2 | Appointed | Pietro Aldobrandini † | Cardinal-Priest of Santi Giovanni e Paolo | Cardinal, Archbishop of Ravenna, Italy |
| 62.7 | Appointed | St. Roberto Francesco Romolo Bellarmino, S.J. † | Cardinal-Priest of San Matteo in Merulana | Cardinal, Archbishop Emeritus of Capua, Italy |
| 39.4 | Appointed | Innocenzo Del Bufalo-Cancellieri † | Cardinal-Priest of San Marcello | Cardinal, Bishop Emeritus of Camerino, Italy |
| 48.8 | Installed | Carlo Conti † | Cardinal-Priest of San Crisogono | Cardinal, Bishop of Ancona e Numana, Italy |
| 60.4 | Appointed | Giovanni Delfino † | Cardinal-Priest of San Marco | Cardinal, Bishop Emeritus of Vicenza, Italy |
| 52.4 | Appointed | Antonio Maria Galli † | Cardinal-Bishop of Frascati | Cardinal, Bishop of Osimo, Italy |
| 43.4 | Appointed | Giovanni Garzia Millini † | Titular Archbishop of Colossae {Rhodes} | Cardinal, Cardinal-Bishop of Frascati |
| 54.4 | Appointed | Cinzio Passeri Aldobrandini † | Cardinal, Cardinal-Priest of San Pietro in Vincoli |
| 63.6 | Appointed | Domenico Pinelli (Sr.) † | Cardinal-Bishop of Porto e Santa Rufina | Cardinal, Bishop Emeritus of Fermo, Italy |
| 74.2 | Appointed | Agostino Valier (Valeri, Valieri) † | Cardinal-Bishop of Palestrina | Cardinal, Bishop of Verona, Italy |
| 4 Jun | 24.2 | Ordained Priest | Anton Crosini von Bonporto † | Priest of Brixen {Bressanone}, Italy | Bishop |
| 5 Jun | 45.4 | Appointed | Ottavio Acquaviva d’Aragona (Sr.) † | Cardinal-Priest of Santa Prassede | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 6 Jun | | Appointed | Baltazar de Covarrubias y Múñoz, O.S.A. † | Bishop of Antequera, Oaxaca, México | Bishop of Michoacán, México |
| 39.4 | Appointed | Filippo Spinelli † | Cardinal, Bishop of Aversa, Italy |
| 15 Jun | | Died | Fabrizio Campi (Capanus) † | Bishop of Ferentino, Italy |
| 20 Jun | 51.5 | Appointed | Francisco Esquivel † | Archbishop of Cagliari, Italy |
| Appointed | Ottavio Mirto Frangipani † | Archbishop of Taranto, Italy |
| 54.0 | Installed | Domenico Ginnasi † | Cardinal-Priest of San Pancrazio | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 43.5 | Appointed | Carlo Gaudenzio Madruzzo † | Cardinal-Priest of San Tommaso in Parione | Cardinal, Bishop of Trento, Italy |
| 43.5 | Appointed | Giovanni Garzia Millini † | Apostolic Nuncio to Spain | Cardinal, Cardinal-Bishop of Frascati |
| 45.5 | Appointed | Giacomo Sannesio † | Cardinal, Bishop of Orvieto, Italy |
| 54.7 | Installed | Antonio Zapata y Cisneros † | Cardinal-Priest of San Matteo in Merulana | Cardinal, Archbishop Emeritus of Burgos, Spain |
| 27 Jun | 43.5 | Appointed | Gavino Manca de Cedrelles † | Bishop of Bosa, Italy | Archbishop of Sassari, Italy |
| 45.5 | Appointed | Domingo (Pedro) de Oña, O. de M. † | Bishop of Gaeta, Italy |
| 54.5 | Appointed | Alonso Orozco Enriquez de Armendáriz Castellanos y Toledo, O. de M. † | Auxiliary Bishop of Burgos, Spain | Bishop of Michoacán, México |
| 54.5 | Appointed | Alonso Orozco Enriquez de Armendáriz Castellanos y Toledo, O. de M. † | Titular Bishop of Sidon | Bishop of Michoacán, México |
| 45.5 | Appointed | Virgilio Fiorenti † | Bishop of Nocera Umbra, Italy |
| 35.5 | Appointed | Gaspard du Laurens, O.S.B. † | Archbishop of Arles, France |
| 47.8 | Appointed | Alessandro Marzi de’ Medici † | Archbishop of Firenze {Florence}, Italy |