| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | | Born | Domingos de Assumpção, O.P. † | Lisbonne, Portugal | Bishop of São Tomé e Príncipe |
| Born | Nicola Bellolatto † | Roma | Bishop of Bisceglie, Italy |
| Born | Bonifazio Bevilacqua Aldobrandini † | Ferrara | Cardinal, Cardinal-Bishop of Frascati |
| Resigned | Jérôme Bourgois † | Bishop of Chalons-sur-Marne, France | Bishop Emeritus |
| Born | Istvan Szentandrássy (Cecchio), O.F.M. † | Csikmadéfalva | Bishop Emeritus of Smederevo (Semendria), Serbia |
| Died | Gabriel de Clermont † | Bishop of Gap, France |
| Born | Philippe Cospéan † | | Bishop of Lisieux, France |
| Born | Alessandro Damasceni Peretti † | Montalto, Italy | Cardinal, Cardinal-Bishop of Albano |
| Born | Manuel dos Anjos, O.F.M. † | | Auxiliary Bishop of Évora, Portugal |
| 28.0 | Ordained Priest | Ladislao d’Aquino † | Priest | Cardinal, Bishop of Venafro, Italy |
| Ordained Bishop | Manuel de Mercado Aldrete, O.S.H. † | Bishop of Puerto Rico (Porto Rico) | Bishop of Panamá |
| 51.0 | Appointed | Gaspar de Faria † | Bishop of Angra, Portugal |
| Born | Petrus Federici † | Florence | Bishop of Vulturara e Montecorvino, Italy |
| 37.0 | Resigned | Bartolomeo Ferratini (Jr.) † | Bishop of Amelia, Italy | Cardinal, Bishop Emeritus |
| 34.0 | Ordained Priest | Melchior Giedroyc † | Priest | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| Died | Antonio Giustiniani, O.P. † | Bishop of Lipari, Italy |
| Died | Timoteo Giustiniani † | Bishop of Strongoli, Italy |
| Born | Gereon Otto von Gutmann zu Sobernheim † | Koblenz | Auxiliary Bishop of Köln {Cologne}, Germany |
| 40.0 | Resigned | Eberhard von Holle † | Bishop-Elect of Lübeck, Germany | Former Bishop-Elect |
| 40.0 | Resigned | Eberhard von Holle † | Apostolic Administrator of Verden, Germany | Former Bishop-Elect of Lübeck, Germany |
| Born | Antonius Lambardi † | Castiglione | Titular Archbishop of Nazareth |
| Died | Marco Lauro, O.P. † | Bishop of Satriano e Campagna, Italy |
| 21.0 | Ordained Priest | Gregor Leisentrit † | Priest | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| Born | Zerbino Lugo † | Bassano | Bishop of Feltre, Italy |
| Born | João Manuel de Ataíde † | | Archbishop of Lisboa {Lisbon}, Portugal |
| Born | Simon Mascarenhas, O.F.M. † | Alcacovas, Portugal | Bishop of Angola e Congo, Angola |
| Born | Hugh McCaughwell, O.F.M. † | Dunen | Archbishop of Armagh, Ireland |
| 40.0 | Ordained Priest | Alfonso Paleotti † | Priest | Archbishop of Bologna, Italy |
| Born | Francesco Pendasio † | | Bishop of Alba (Pompea), Italy |
| Born | Panfilo Persico † | | Bishop of Belluno, Italy |
| Born | Fabrizio Perugini † | | Bishop of Terracina, Priverno e Sezze, Italy |
| Died | Filippo Riccabella † | Bishop of Recanati, Italy |
| Born | Giulio Ruffo † | S. Christinae | Bishop of Oppido Mamertina, Italy |
| Died | Diego Sarmiento Sotomayor † | Bishop of Astorga, Spain |
| Born | Alexandre Scappi † | | Bishop of Piacenza, Italy |
| Born | Ambrosius Seibaeus (Seybeus) † | Zeitz | Auxiliary Bishop of Mainz, Germany |
| Born | Johannes Streck † | Udenheim | Auxiliary Bishop of Speyer, Germany |
| 45.4 | Ordained Priest | François-Marie Tarugi, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Cardinal, Archbishop Emeritus of Siena, Italy |
| Died | Jorge Temudo, O.P. † | Archbishop of Goa, India |
| Died | Juan Vázquez Coronado de Sayás † | Bishop of Acerra, Italy |
| Born | Fabrizio Verospi † | Rome, Italy | Cardinal, Prefect of the Congregation of the Council |
| Appointed | Sisto Visdomini, O.P. † | Bishop of Modena, Italy |
| 2 Jan | 64.0 | Died | Gaspar Zúñiga Avellaneda † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 10 Jan | | Appointed | Giacomo Lomellino del Canto † | Archbishop of Palermo, Italy |
| Appointed | Malachy O’Moloney † | Bishop of Killaloe, Ireland | Bishop of Kilmacduagh, Ireland |
| 20 Jan | | Appointed | Marcantonio Alferio † | Bishop of Montemarano, Italy |
| 21 Jan | | Died | Agostino Baglione † | Bishop of Alessandria (della Paglia), Italy |
| 26 Jan | 51.5 | Installed | Vincenzo Giustiniani, O.P. † | Cardinal-Priest of San Nicola fra le Immagini | Cardinal, Cardinal-Priest of Santa Sabina |
| 1 Feb | | Died | Pedro Castellet † | Bishop of Urgell, Spain |
| 10 Feb | | Born | Pedro González de Mendoza, O.F.M. † | Madrid | Bishop of Sigüenza, Spain |
| Died | Fernando de Villagómez † | Bishop of Tlaxcala, México |
| 11 Feb | 53.0 | Ordained Bishop | Godfried von Mierlo, O.P. † | Bishop of Haarlem, Netherlands |
| Ordained Bishop | Malachy O’Moloney † | Bishop of Killaloe, Ireland | Bishop of Kilmacduagh, Ireland |
| Died | Giulio Pavesi, O.P. † | Archbishop of Sorrento, Italy |
| 3 Mar | | Appointed | Jacques Amyot † | Bishop of Auxerre, France |
| 5 Mar | | Appointed | Francisco Briceño † | Bishop of Almería, Spain |
| 25 Mar | 52.2 | Died | Carlo Grassi † | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 31 Mar | | Born | Pietro Aldobrandini † | Rome | Cardinal, Archbishop of Ravenna, Italy |
| 1 Apr | 43.4 | Ordained Bishop | Louis de Guise de Lorraine † | Cardinal, Bishop of Metz, France |
| 13 Apr | 53.8 | Died | Odet de Coligny de Châtillon † | |
| Died | Stanisław Żelisławski, O. Cist. † | Bishop of Chelmno (Culma, Kulm), Poland |
| 15 Apr | 69.3 | Died | Juan de Muñatones, O.S.A. † | Bishop of Segorbe-Albarracin, Spain |
| 20 Apr | | Died | Francisco del Toral, O.F.M. † | Bishop of Yucatán (Mérida), México |
| May | 61.3 | Ordained Bishop | Luis Zapata de Cárdenas, O.F.M. † | Archbishop of Santafé en Nueva Granada, Colombia |
| 18 May | | Appointed | Pedro Arévalos, O.S.H. † | Bishop of Cartagena, Colombia |
| Appointed | Bartolomé Pérez, O.S. † | Bishop of the Titular See |
| 68.9 | Appointed | Cristóbal Rojas Sandoval † | Archbishop of Sevilla {Seville}, Spain |
| 26 May | | Born | Bernardino de Sena (Senis; Senna), O.F.M. † | | Bishop of Viseu, Portugal |
| 20 Jun | | Died | Nicolaus Bertholdi † | Bishop of Hierapetra, Greece |
| Appointed | Lelio Brancaccio † | Archbishop of Sorrento, Italy | Archbishop of Taranto, Italy |
| 3 Jul | | Born | Gregorio Pedrosa Casares, O.S.H. † | Valladolid | Bishop Emeritus of Valladolid, Spain |
| 16 Jul | | Appointed | Antonio Paliettino (de Monelia), O.F.M. Conv. † | Bishop of Brugnato, Italy |
| Appointed | Scipione Salernitano † | Bishop of Acerra, Italy |
| Appointed | Gaspare Viviani † | Bishop of Hierapetra et Sitia, Greece | Bishop of Anagni, Italy |
| 22 Jul | 41.6 | Ordained Bishop | Jerónimo Albornoz, O.F.M. † | Bishop of Córdoba (Tucumán), Argentina |
| Ordained Bishop | Antonio Paliettino (de Monelia), O.F.M. Conv. † | Bishop of Brugnato, Italy |
| 26 Jul | | Died | Fernando de Barrionuevo, O.F.M. † | Bishop of Santiago de Chile |
| 30 Jul | | Died | Francisco Briceño † | Bishop of Almería, Spain |
| 8 Aug | | Died | Pompeo Zambeccari † | Bishop of Valva, Italy |
| 12 Aug | | Ordained Bishop | Sebastián Lartaún † | Bishop of Cuzco, Peru |
| 27 Aug | | Appointed | Juan Battista (Giovanni Battista) de Ojeda (Hogeda, Oxeda) † | Archbishop (Personal Title) of Agrigento (Girgenti), Italy | Bishop |
| Appointed | Francisco Soto Salazar † | Bishop of Segorbe-Albarracin, Spain | Bishop of Salamanca, Spain |
| Appointed | Guarnero Trotti † | Bishop of Alessandria (della Paglia), Italy |
| 7 Sep | | Died | Giovanni Antonio Locatelli † | Bishop of Venosa, Italy |
| 9 Sep | | Ordained Bishop | Guarnero Trotti † | Bishop of Alessandria (della Paglia), Italy |
| 24 Sep | | Appointed | Juan Beltrán de Guevara † | Bishop of Mazara del Vallo, Italy | Bishop Emeritus |
| Appointed | Vincenzo de Doncelli (Donzelli), O.P. † | Bishop of Valva, Italy |
| Appointed | Vincenzo de Doncelli (Donzelli), O.P. † | Bishop of Sulmona, Italy | Bishop of Valva, Italy |
| Oct | | Born | Pedro Magarola Fontanet † | Barcelona | Bishop of Lérida, Spain |
| 3 Oct | | Appointed | Pietro Cancellieri (Cavalieri) † | Bishop of Lipari, Italy |
| Appointed | Nicolaus Don † | Auxiliary Bishop of Zagreb (Agram), Croatia |
| Appointed | Nicolaus Don † | Titular Bishop of Rosmen (Russionen) | Auxiliary Bishop of Zagreb (Agram), Croatia |
| 50.0 | Appointed | Lucio Sassi † | Bishop of Ripatransone, Italy | Cardinal, Bishop Emeritus |
| 7 Oct | | Ordained Bishop | Pietro Cancellieri (Cavalieri) † | Bishop of Lipari, Italy |
| Ordained Bishop | Vincenzo de Doncelli (Donzelli), O.P. † | Bishop of Valva, Italy |
| Ordained Bishop | Maurice MacBrien † | Bishop of Emly, Ireland |
| 14 Oct | | Ordained Bishop | Nicolaus Don † | Titular Bishop of Rosmen (Russionen) | Auxiliary Bishop of Zagreb (Agram), Croatia |
| 15 Oct | | Appointed | Gerolamo Melchiori † | Bishop of Recanati, Italy | Bishop Emeritus of Macerata, Italy |
| 28 Oct | | Born | Giacomo Goria † | Villafranca d'Asti | Bishop of Vercelli, Italy |
| 5 Nov | | Appointed | Pedro Buerba, O.S.A. † | Archbishop of Oristano, Italy |
| 10 Nov | 63.9 | Died | Jérôme Souchier, O. Cist. † | Cardinal, Cardinal-Priest of San Matteo in Merulana |
| 16 Nov | | Resigned | Filesio Cittadini † | Bishop of Muro Lucano, Italy | Bishop Emeritus |
| 62.2 | Appointed | Bernardo de Fresneda, O.F.M. † | Bishop of Córdoba, Spain | Archbishop of Zaragoza, Spain |
| 62.8 | Resigned | Giovanni Gerolamo Moroni (Morone) † | Bishop of Modena, Italy | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 26 Nov | | Appointed | Bernardino Figueroa † | Archbishop of Brindisi, Italy |
| 27 Nov | | Died | Alvaro Magelanes † | Bishop of San Leone, Italy |
| 8 Dec | | Born | Orazio Lancellotti † | Roma, Italy | Cardinal, Prefect of the Congregation of the Council |
| 14 Dec | 48.0 | Died | Lorenzo Strozzi † | Cardinal, Archbishop of Aix, France |
| 17 Dec | 50.0 | Appointed | Felice Peretti Montalto, O.F.M. Conv. † | Bishop of Fermo, Italy | Pope (Roma {Rome}, Italy) |
| 59.9 | Appointed | Gaspar de Quiroga y Vela † | Bishop of Cuenca, Spain | Cardinal, Archbishop of Toledo, Spain |
| Appointed | Mariano Vittori † | Bishop of Amelia, Italy | Bishop of Rieti, Italy |
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