| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Died | Giovanni Battista Albani † | Titular Patriarch of Alexandria {Alessandria} |
| Died | José Anglés, O.F.M. † | Bishop of Bosa, Italy |
| Born | Aurelio Archinto † | | Bishop of Como, Italy |
| 83.0 | Died | Francesco Bandini Piccolomini † | Archbishop of Siena, Italy |
| Born | Octave de Bellegarde † | | Archbishop of Sens, France |
| Died | Pedro Bonet Santamaría † | Bishop of Elne, France |
| Born | Pietro Paolo Bonsi † | Firenze | Bishop of Conversano, Italy |
| Appointed | Nicolas Boucher † | Bishop of Verdun, France |
| Born | Fabrizio Carafa † | Napoli | Bishop of Bitonto, Italy |
| Born | Gregorio Carafa, C.R. † | Napoli | Archbishop of Salerno, Italy |
| Died | Tiberio Carafa † | Bishop of Cassano all’Jonio, Italy |
| Born | Gian Giacomo Cristoforo † | Piaggine | Bishop of Lacedonia, Italy |
| Ordained Bishop | Gaspar de Andrada (Anorada), O.F.M. † | Bishop of Comayagua, Honduras |
| 64.0 | Died | Pedro de Feria (Martín Fernández), O.P. † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| 58.0 | Died | Juan de Medina Rincón y de la Vega, O.S.A. † | Bishop of Michoacán, México |
| Born | Patrizio Donati † | | Bishop Emeritus of Minori, Italy |
| Appointed | Andrés de Santa Maria, O.F.M. † | Bishop of Cochin, India | Bishop Emeritus |
| Born | Onorio de Verme † | Palermo | Bishop of Ravello e Scala, Italy |
| 44.8 | Appointed | Pierre de Villars (II) † | Archbishop of Vienne, France | Archbishop Emeritus |
| Died | Giuseppe Faraoni † | Bishop of Crotone (Cotrone), Italy |
| Died | Serafino Fortibraccia, O.P. † | Bishop of Nemosia (Limasol), Greece |
| Born | Ludovico Gonzaga † | Mantova | Bishop of Alba (Pompea), Italy |
| Resigned | Odoardo Gualandi (Galanti) † | Bishop of Cesena, Italy | Bishop Emeritus |
| Born | Francisco Guerra, O.F.M. † | Villagarcía de Campos | Bishop of Plasencia, Spain |
| Died | Bernardo Lauro, O.P. † | Bishop of Santorini {Thira}, Greece |
| Resigned | Giovanni Paolo Marincola † | Bishop of Teano, Italy | Bishop Emeritus |
| Born | Pietro Marioni † | Eugubii | Bishop Emeritus of Telese o Cerreto Sannita, Italy |
| Born | Melchor Maldonado y Saavedra, O.S.A. † | Río de la Hacha | Bishop of Córdoba (Tucumán), Argentina |
| 37.7 | Ordained Bishop | Andrés Pacheco † | Bishop of Segovia, Spain | Bishop Emeritus of Cuenca, Spain |
| Born | Giovanni Antonio Paravicini † | Sendri | Archbishop of Santa Severina, Italy |
| Succeeded | Ascanio Piccolomini † | Archbishop of Siena, Italy |
| Died | Antonio Poli (de Mathaeis), O.F.M. † | Bishop of Bosnia, Croatia |
| Died | Francesco Antonio Santorio † | Archbishop of Acerenza e Matera, Italy |
| Born | Raffaele Schiattini † | Chien | Archbishop of Naxos, Greece |
| Born | Wolther Heinrich von Strevesdorff † | Neuss | Auxiliary Bishop of Mainz, Germany |
| Born | Marcos de Torres y Rueda † | Almazán, Spain | Bishop of Yucatán (Mérida), México |
| Born | Benedetto Ubaldi † | Perugia | Cardinal, Bishop Emeritus of Perugia, Italy |
| Born | Giovanni Thomas Veneliani † | Monopoli | Bishop of Troia, Italy |
| Born | Dominique de Vic † | Paris | Archbishop of Auch, France |
| Died | Joannes Wegorzenuski, O. Cist. † | Titular Bishop of Aenus |
| 8 Jan | | Appointed | Fabio Biondi (Blondus de Montealto) † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
| Appointed | François de Péricard † | Bishop of Avranches, France |
| 15 Jan | 67.0 | Installed | Stefano Bonucci † | Cardinal-Priest of Santi Marcellino e Pietro | Cardinal, Bishop of Arezzo, Italy |
| 23.4 | Installed | Federico Borromeo (Sr.) † | Cardinal-Deacon of Santa Maria in Domnica | Cardinal, Archbishop of Milano {Milan}, Italy |
| 45.2 | Installed | Scipione Gonzaga † | Cardinal, Cardinal-Priest of Santa Maria del Popolo |
| 61.0 | Installed | Philippe de Lénoncourt † | Cardinal-Priest of Sant’Onofrio | Cardinal, Bishop Emeritus of Auxerre, France |
| 56.8 | Installed | Hughes de Loubenx de Verdalle, O.S.Io.Hieros. † | Cardinal, Cardinal-Deacon of Santa Maria in Portico (Octaviae) |
| 40.0 | Installed | Giovanni Evangelista Pallotta † | Cardinal-Priest of San Matteo in Merulana | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 47.0 | Installed | Antonio Maria Sauli † | Cardinal-Priest of San Vitale | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 66.0 | Appointed | Girolamo Simoncelli † | Cardinal-Priest of Santa Prisca | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 17 Jan | | Ordained Bishop | Fabio Biondi (Blondus de Montealto) † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 22 Jan | 36.1 | Appointed | Ludovico de Torres (II) † | Cardinal, Archbishop of Monreale, Italy |
| 24 Jan | 40.1 | Ordained Bishop | Bernard Maciejowski † | Bishop of Lutsk (Łuck), Ukraine | Cardinal, Archbishop of Gniezno, Poland |
| 29 Jan | 48.1 | Appointed | Andrés Capella, O. Cart. † | Bishop of Urgell, Spain |
| 30 Jan | | Died | Antonio Manrique, O.F.M. † | Bishop of Calahorra y La Calzada, Spain |
| 31 Jan | 36.1 | Ordained Bishop | Ludovico de Torres (II) † | Cardinal, Archbishop of Monreale, Italy |
| 3 Feb | 54.1 | Appointed | Owen (Audoenus) Lewis (Ludovisi) † | Bishop of Cassano all’Jonio, Italy |
| 7 Feb | | Ordained Bishop | Alfonso Laso Sedeño † | Bishop of Gaeta, Italy | Bishop of Mallorca, Spain |
| 12 Feb | 56.2 | Appointed | Nicolás de Ramos y Santos, O.F.M. † | Bishop of Puerto Rico (Porto Rico) | Archbishop of Santo Domingo, Dominican Republic |
| 14 Feb | 54.2 | Ordained Bishop | Owen (Audoenus) Lewis (Ludovisi) † | Bishop of Cassano all’Jonio, Italy |
| Died | Antonio Torres † | Bishop of Astorga, Spain |
| 18 Feb | | Born | Claude de Rueil † | | Bishop of Angers, France |
| 19 Feb | | Appointed | Mateus de Medina, O. Carm. † | Archbishop of Goa, India | Archbishop Emeritus |
| 52.1 | Appointed | Sebastião de Morais de Funchal, S.J. † | Bishop of Funay (Funai), Japan |
| 9 Mar | 68.2 | Appointed | Antonio de San Miguel Avendaño y Paz, O.F.M. † | Bishop of Quito, Ecuador |
| Appointed | Vincenzo Brancaleoni † | Bishop of Teano, Italy |
| Appointed | Melchiorre Pelletta † | Auxiliary Bishop of Torino {Turin}, Italy |
| Appointed | Melchiorre Pelletta † | Titular Bishop of Chrysopolis in Arabia | Auxiliary Bishop of Torino {Turin}, Italy |
| 16 Mar | | Appointed | Jean de L’Aubespine † | Bishop of Orléans, France |
| Appointed | Antonio de Marchi † | Bishop of Santorini {Thira}, Greece |
| 41.9 | Appointed | Bernardo Sandoval Rojas † | Bishop of Pamplona, Spain | Cardinal, Archbishop of Toledo, Spain |
| 23 Mar | 53.2 | Appointed | Laurentius Fabritius † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 53.2 | Appointed | Laurentius Fabritius † | Titular Bishop of Cyrene | Auxiliary Bishop of Köln {Cologne}, Germany |
| Appointed | Pedro Maldonado † | Bishop of Ciudad Rodrigo, Spain |
| 27 Mar | 52.2 | Ordained Bishop | Sebastião de Morais de Funchal, S.J. † | Bishop of Funay (Funai), Japan |
| Ordained Bishop | Antonio de Marchi † | Bishop of Santorini {Thira}, Greece |
| 30 Mar | | Appointed | Camillo Gualandi † | Bishop of Cesena, Italy |
| 4 Apr | | Died | Raffaele Bonelli † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 16 Apr | 28.3 | Ordained Priest | Jean Dauvin † | Priest | Bishop of Namur {Namen}, Belgium |
| 22 Apr | | Died | Giuseppe Donzelli, O.P. † | Archbishop of Sorrento, Italy |
| 25 Apr | | Ordained Bishop | Camillo Gualandi † | Bishop of Cesena, Italy |
| 27 Apr | | Appointed | Muzio Bongiovanni † | Archbishop of Sorrento, Italy |
| Appointed | Stehapnus Lusignanus, O.P. † | Bishop of Nemosia (Limasol), Greece |
| 1 May | | Born | Joseph de Bergaigne, O.F.M. † | Anvers | Archbishop of Cambrai, France |
| 4 May | 56.4 | Installed | Nicolás de Ramos y Santos, O.F.M. † | Bishop of Puerto Rico (Porto Rico) | Archbishop of Santo Domingo, Dominican Republic |
| 11 May | | Appointed | Jerónimo García, O.SS.T. † | Bishop of Bosa, Italy |
| 23 May | 56.4 | Installed | Pierre de Gondi † | Cardinal-Priest of San Silvestro in Capite | Cardinal, Bishop Emeritus of Paris, France |
| 24 May | | Died | Juan Méndez de Salvatierra † | Archbishop of Granada, Spain |
| 25 May | 37.4 | Resigned | Bernhard von Waldeck † | Bishop-Elect of Osnabrück, Germany | Former Bishop-Elect |
| 7 Jun | 65.4 | Appointed | Guillaume Damasi Van der Linden (Lindanus) † | Bishop of Gent {Ghent, Gand}, Belgium |
| 13 Jun | | Appointed | Jacobus Brezwiczki † | Auxiliary Bishop of Poznań, Poland |
| Appointed | Jacobus Brezwiczki † | Titular Bishop of Aenus | Auxiliary Bishop of Poznań, Poland |
| Appointed | Agostinho de Jesus, O.S.A. † | Archbishop of Braga, Portugal |
| Appointed | Juan de Izquierdo, O.F.M. † | Bishop of Yucatán (Mérida), México |
| 20 Jun | | Appointed | Charles Miron † | Bishop of Angers, France | Archbishop of Lyon, France |
| 22 Jun | 65.5 | Installed | Guillaume Damasi Van der Linden (Lindanus) † | Bishop of Gent {Ghent, Gand}, Belgium |
| 25 Jun | | Died | Gerolamo Mazzarelli † | Bishop of Nona (Nin), Croatia |
| 5 Jul | | Died | Cornelio Firmano † | Bishop of Osimo, Italy |
| 15 Jul | 51.5 | Elevated to Cardinal | Gianfrancesco Morosini † | Cardinal, Bishop of Brescia, Italy |
| 27 Jul | | Appointed | Agustín Gaillart, O.S.B. † | Bishop of Elne, France |
| 51.6 | Installed | Gianfrancesco Morosini † | Cardinal-Priest of Santi Nereo ed Achilleo | Cardinal, Bishop of Brescia, Italy |
| Aug | | Died | Vincenzo Brancaleoni † | Bishop of Teano, Italy |
| 7 Aug | 53.6 | Ordained Bishop | Laurentius Fabritius † | Titular Bishop of Cyrene | Auxiliary Bishop of Köln {Cologne}, Germany |
| 8 Aug | | Appointed | Pedro Brandão, O. Carm. † | Bishop of Santiago de Cabo Verde |
| 11 Aug | 75.6 | Died | Bernardino Bricennio (Brisseno) † | Bishop of Vigevano, Italy |
| 19 Aug | 52.6 | Died | Sebastião de Morais de Funchal, S.J. † | Bishop of Funay (Funai), Japan |
| 22 Aug | | Appointed | Paolo Alberi † | Archbishop of Dubrovnik (Ragusa), Croatia | Archbishop Emeritus |
| Appointed | Camilli Caetani † | Titular Patriarch of Alexandria {Alessandria} |
| Appointed | Christophe de la Vallée † | Bishop of Toul, France |
| 28 Aug | | Ordained Bishop | Camilli Caetani † | Titular Patriarch of Alexandria {Alessandria} |
| 30 Aug | 74.7 | Died | Giovanni Antonio Volpe † | Bishop of Como, Italy |
| 2 Sep | | Resigned | Egidio de Monte † | Bishop of Deventer, Netherlands | Bishop Emeritus |
| Appointed | Albert de Thill † | Bishop of Deventer, Netherlands |
| 4 Sep | 71.7 | Ordained Bishop | Bartolomé Martinez Menacho y Mesa (Mechado) † | Bishop of Panamá | Archbishop of Santafé en Nueva Granada, Colombia |
| 3 Oct | | Appointed | Mario Bolognini † | Archbishop (Personal Title) of Crotone (Cotrone), Italy | Archbishop of Salerno, Italy |
| Appointed | Vincenzo Serafino † | Bishop of Teano, Italy |
| 17 Oct | | Appointed | Angelo Gradi, O.F.M. Conv. † | Bishop of Nona (Nin), Croatia | Bishop Emeritus |
| 64.8 | Appointed | Feliciano Ninguarda, O.P. † | Bishop of Como, Italy |
| Appointed | Giovanni Evangelista Pelleo, O.F.M. Conv. † | Bishop of Sant’Agata de’ Goti, Italy |
| Appointed | Paolo Tasso † | Archbishop of Lanciano, Italy |
| 2 Nov | 65.8 | Died | Guillaume Damasi Van der Linden (Lindanus) † | Bishop of Gent {Ghent, Gand}, Belgium |
| 4 Nov | 26.4 | Appointed | François de Joyeuse † | Archbishop of Toulouse, France | Cardinal, Archbishop of Rouen, France |
| 12 Nov | | Died | Cesare Marullo † | Archbishop of Palermo, Italy |
| 28 Nov | 39.3 | Resigned | Ferdinando de’ Medici † | Cardinal-Deacon of Santa Maria in Via Lata | |
| 5 Dec | 28.7 | Appointed | Ascanio Colonna † | Cardinal-Deacon of San Nicola in Carcere | Cardinal, Cardinal-Bishop of Palestrina |
| 26.1 | Appointed | Francesco Sforza † | Cardinal-Deacon of Santa Maria in Via Lata | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 7 Dec | | Ordained Bishop | Vincenzo Serafino † | Bishop of Teano, Italy |
| 14 Dec | 39.4 | Elevated to Cardinal | Francesco Maria Bourbon Del Monte Santa Maria † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 47.0 | Elevated to Cardinal | Agostino Cusani † | Cardinal, Cardinal-Priest of Santi Giovanni e Paolo |
| 20 Dec | 72.0 | Installed | Bartolomé Martinez Menacho y Mesa (Mechado) † | Bishop of Panamá | Archbishop of Santafé en Nueva Granada, Colombia |
| 24 Dec | 33.5 | Died | Louis II de Guise de Lorraine † | Cardinal, Archbishop of Reims, France |
| 25 Dec | | Died | Natale Venier † | Archbishop of Zadar (Zara), Croatia |