| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 55.0 | Appointed | Martin Alphonso Mexia de Tovar † | Bishop of Coimbra, Portugal |
| Born | Alfonso Álvarez Barba Ossorio, O. Carm. † | Legionen | Archbishop of Brindisi, Italy |
| Born | Juan Asensio Barrios, O. de M. † | Gibraltar | Bishop of Jaén, Spain |
| Born | Camillo Astalli-Pamphilj † | Rome | Cardinal, Bishop of Catania, Italy |
| Born | Giuseppe de Auxilio † | Napoli | Bishop of Caserta, Italy |
| Born | Andrea Bonito, C.O. † | Amalfi | Bishop of Capaccio, Italy |
| Born | Dominicus Bubich † | Buduan | Bishop of Shkodrë (Scutari), Albania |
| Born | Nicolaus Carpenia † | Durres | Archbishop of Durrës (Durazzo), Albania |
| Born | Antonio del Buffalo, O.M. † | Vallata | Titular Bishop of Temnus |
| Died | Bernardo del Nero, O.P. † | Bishop Emeritus of Bisignano, Italy |
| Born | Jacques de Fieux † | Paris | Bishop of Toul, France |
| Born | Marco Galli (Gallo, Gallio) † | Como | Cardinal, Bishop of Rimini, Italy |
| Died | Filippo Gesualdo, O.F.M. Conv. † | Bishop of Cariati e Cerenzia, Italy |
| Born | Jakub Gorecki, O.P. † | Minscen, Lithuania | Bishop of Bacău, Romania |
| 51.0 | Died | Joannes Albertus de Garzonibus † | Bishop of Canea (Cydonia, Egée), Greece |
| Ordained Bishop | Guy Hurault de l’Hospital † | Titular Archbishop of Augustopolis in Phrygia | Archbishop of Aix, France |
| Born | Judocus Houbraken † | Geldrop | Vicar Apostolic of ’s Hertogenbosch (Bois-le-Duc), Netherlands |
| Born | Dominique de Ligni † | Paris | Bishop of Meaux, France |
| Died | Fabio Maranta † | Bishop of Calvi Risorta, Italy |
| 57.0 | Died | Martino Mira † | Bishop of Cefalů, Italy |
| Born | Maurizio Piccardi † | Pontecorvo | Bishop of Sora, Italy |
| Died | Giovanni Francesco Pozzo † | Bishop of Chiron, Greece |
| Selected | János Pyber de Gyerkény † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania | Bishop of Eger, Hungary |
| 32.0 | Ordained Priest | Gangolph Ralinger † | Priest of Speyer, Germany | Auxiliary Bishop |
| Appointed | Giandomenico Ridolfi, C.R. † | Bishop of Oria, Italy |
| Died | Archangelus de Rossi, C.R.L. † | Bishop of Carinola (Calina), Italy |
| 17.5 | Professed | Otto (Johann Theodor) von Senheim, O.P. † | Member of Order of Friars Preachers | Auxiliary Bishop of Trier, Germany |
| Born | Carlo Sgombrino † | Terra Airola | Bishop of Catanzaro, Italy |
| Died | Innico Siscara † | Bishop of Anglona-Tursi, Italy |
| Born | Michelangelo Vaginari, O.F.M. † | Napoli | Bishop of Giovinazzo, Italy |
| 39.0 | Died | Lelio Veterano † | Bishop of Fondi (Fundi), Italy |
| Died | Pedro de Villarreal † | Bishop of Nicaragua |
| 44.0 | Selected | Jan Wężyk † | Bishop of Przemyśl, Poland | Archbishop of Gniezno, Poland |
| Born | Stanisław Wojeński † | Krakow | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| Jan | | Born | Pier Antonio Capobianco † | Napoli | Bishop Emeritus of Lacedonia, Italy |
| Born | Marco Antonio Pisanelli † | Boneti | Bishop of Sora, Italy |
| 7 Jan | 36.0 | Appointed | Modernus (Fabrizio) Caracciolo Piscizi † | Bishop of Catanzaro, Italy | Bishop of Oppido Mamertina, Italy |
| Appointed | Giovanni Girardi, O.F.M. † | Bishop of Syros (e Milos), Greece |
| 14 Jan | 41.0 | Appointed | Paul Boudot (Boudet) † | Bishop of Saint-Omer, France | Bishop of Arras, France |
| 17 Jan | 42.0 | Appointed | Bogusław Radoszewski † | Bishop of Kyiv (Kijów), Ukraine | Bishop of Lutsk (Łuck), Ukraine |
| 28 Jan | | Appointed | Giovanni Agostino Gandolfo † | Bishop of Fondi (Fundi), Italy | Bishop of Sant’Agata de’ Goti, Italy |
| 34.1 | Appointed | Alessandro (Fabrizio) Suardi † | Bishop of Lucera, Italy | Bishop of Caserta, Italy |
| 30 Jan | | Born | Michelangelo Ricci † | Rome, Italy | Cardinal, Cardinal-Deacon of Santa Maria in Aquiro |
| Feb | | Born | Daniele Scoppa, O. Carm. † | Napoli | Bishop of Nola, Italy |
| 10 Feb | | Ordained Bishop | Giovanni Agostino Gandolfo † | Bishop of Fondi (Fundi), Italy | Bishop of Sant’Agata de’ Goti, Italy |
| 34.1 | Ordained Bishop | Alessandro (Fabrizio) Suardi † | Bishop of Lucera, Italy | Bishop of Caserta, Italy |
| 18 Feb | 56.1 | Appointed | Jerónimo Fernando † | Bishop of Funchal, Portugal |
| 51.1 | Appointed | Isidoro Pentorio, B. † | Bishop of Asti, Italy |
| 69.1 | Appointed | Ercole Vaccari † | Archbishop of Rossano, Italy |
| 22 Feb | | Died | François L’Archiver † | Bishop of Rennes, France |
| 23 Feb | | Born | Hyacinthus Dimitri, O.P. † | Catharen | Bishop of Senj (-Modruš), Croatia |
| Mar | | Born | Pietro Petri, O.S.B. † | Montis S. Sabini | Bishop of Colle di Val d’Elsa, Italy |
| 44.2 | Appointed | János Telegdy † | Bishop of Nitra, Slovakia | Archbishop of Kalocsa, Hungary |
| 3 Mar | 33.1 | Confirmed | Paris von Lodron † | Archbishop of Salzburg, Austria |
| 6 Mar | | Born | Pietro Valentini † | Ilcinen | Bishop of Sovana (Soana), Italy |
| 8 Mar | 32.2 | Appointed | Nikolaus von Wolkenstein † | Bishop of Chiemsee, Germany |
| 12 Mar | 51.2 | Ordained Bishop | Isidoro Pentorio, B. † | Bishop of Asti, Italy |
| 69.2 | Ordained Bishop | Ercole Vaccari † | Archbishop of Rossano, Italy |
| 16 Mar | 23.8 | Ordained Priest | Ägidius Gelenius † | Priest of Köln {Cologne}, Germany | Auxiliary Bishop of Osnabrück, Germany |
| 18 Mar | | Appointed | Lorenzo Pérez de Grado † | Bishop of Cuzco, Peru |
| 8 Apr | | Appointed | Gregorio Del Bufalo † | Bishop of Calvi Risorta, Italy |
| Appointed | Maurizio Ricci † | Bishop of Cariati e Cerenzia, Italy |
| 22 Apr | 47.3 | Selected | Charles de Haqueville † | Bishop of Soissons, France |
| Confirmed | Lopo de Sequeira Pereira † | Bishop of Portalegre, Portugal | Bishop of Guarda, Portugal |
| 29 Apr | | Appointed | Pasquale Grassi † | Bishop of Chioggia, Italy |
| 30.1 | Appointed | Baltasar Moscoso y Sandoval † | Bishop of Jaén, Spain | Cardinal, Archbishop of Toledo, Spain |
| May | 56.3 | Ordained Bishop | Jerónimo Fernando † | Bishop of Funchal, Portugal |
| Succeeded | Alphonse de La Croix de Chevričres † | Bishop of Grenoble, France | Bishop Emeritus |
| 62.3 | Died | Jean de La Croix de Chevričres † | Bishop of Grenoble, France |
| Born | Pierre van den Perre † | Lovanii | Bishop of Namur {Namen}, Belgium |
| 1 May | | Ordained Bishop | Gregorio Del Bufalo † | Bishop of Calvi Risorta, Italy |
| Ordained Bishop | Maurizio Ricci † | Bishop of Cariati e Cerenzia, Italy |
| 13 May | 42.4 | Appointed | Charles Bobba de Montferrat † | Bishop of Saint-Jean-de-Maurienne, France |
| 37.4 | Appointed | Vincenzo Agnello Suardi † | Coadjutor Bishop of Mantova, Italy | Bishop |
| 20 May | 54.4 | Died | Giovanni dei Gualtieri † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 23 May | 33.3 | Ordained Bishop | Paris von Lodron † | Archbishop of Salzburg, Austria |
| Died | Rodolfo Paleotti † | Bishop of Imola, Italy |
| 25 May | 42.4 | Ordained Priest | Luca Cellesi † | Priest | Bishop of Martirano (Martoranum), Italy |
| 2 Jun | | Ordained Bishop | Pasquale Grassi † | Bishop of Chioggia, Italy |
| 7 Jun | | Born | Marcello Santacroce † | Rome | Cardinal, Bishop of Tivoli, Italy |
| 14 Jun | 78.5 | Died | Metello Bichi † | Cardinal, Archbishop Emeritus of Siena, Italy |
| 17 Jun | | Appointed | Alfonso Giglioli † | Bishop of Anglona-Tursi, Italy |
| Appointed | Ferdinando Millini † | Bishop of Imola, Italy |
| 21 Jun | | Died | Sebastián Ocando, O.F.M. † | Bishop of Santa Marta, Colombia |
| 1 Jul | | Born | Peter Philipp von Dernbach † | Gaisa | Bishop of Bamberg, Germany |
| 13 Jul | | Died | Benjamin de Brichanteau † | Bishop of Laon, France |
| 15 Jul | 42.5 | Ordained Bishop | Charles Bobba de Montferrat † | Bishop of Saint-Jean-de-Maurienne, France |
| 64.5 | Appointed | Georgius Perpignani † | Bishop of Canea (Cydonia, Egée), Greece |
| Born | Johann Franz von Schönau † | Ensisheim | Bishop of Basel, Switzerland |
| 25 Jul | 30.4 | Ordained Bishop | Baltasar Moscoso y Sandoval † | Bishop of Jaén, Spain | Cardinal, Archbishop of Toledo, Spain |
| 29 Jul | 10.2 | Elevated to Cardinal | Fernando de Austria † | Cardinal, Apostolic Administrator of Toledo, Spain |
| 10.2 | Installed | Fernando de Austria † | Cardinal-Deacon of Santa Maria in Portico (Octaviae) | Cardinal, Apostolic Administrator of Toledo, Spain |
| 46.6 | Appointed | Pietro Colletti † | Bishop of Chiron, Greece |
| Appointed | Pierre Cornulier † | Bishop of Rennes, France |
| 45.0 | Appointed | Enrique Pimentel Zúńiga † | Bishop of Valladolid, Spain | Bishop of Cuenca, Spain |
| 30 Jul | | Died | Jerónimo Herrera Salazar † | Bishop of Guadix, Spain |
| Aug | | Born | Luigi de Filippi, O.P. † | Napoli | Bishop of Potenza, Italy |
| 8 Aug | | Born | Francesco Maria Farnese † | Parma, Italy | Cardinal, Cardinal-Deacon |
| 10 Aug | | Installed | Lopo de Sequeira Pereira † | Bishop of Portalegre, Portugal | Bishop of Guarda, Portugal |
| 12 Aug | 31.6 | Appointed | Ludovico Gonzaga † | Bishop of Alba (Pompea), Italy |
| 47.6 | Confirmed | Charles de Haqueville † | Bishop of Soissons, France |
| 41.6 | Appointed | Filippo Salviati † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 18 Aug | 31.6 | Ordained Bishop | Ludovico Gonzaga † | Bishop of Alba (Pompea), Italy |
| 41.6 | Ordained Bishop | Filippo Salviati † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 23 Aug | 86.3 | Died | Girolamo Bernardino Pallantieri, O.F.M. Conv. † | Bishop of Bitonto, Italy |
| 29 Aug | 61.7 | Died | Ferdinando Taverna † | Cardinal, Bishop of Novara, Italy |
| 31 Aug | 9.7 | Appointed | Nicolas François de Lorraine-Vaudémont † | Coadjutor Bishop of Toul, France | Former Bishop-Elect |
| Sep | 62.7 | Died | Giovanni Maria Guanzelli, O.P. † | Bishop of Polignano (Polinianum), Italy |
| Died | Franciscus Manini † | Bishop of Novigrad (Cittanova), Croatia |
| 9 Sep | 33.1 | Appointed | Johann Anton Tritt von Wilderen † | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 33.1 | Appointed | Johann Anton Tritt von Wilderen † | Titular Bishop of Tiberias | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 10 Sep | 32.7 | Ordained Bishop | Nikolaus von Wolkenstein † | Bishop of Chiemsee, Germany |
| 13 Sep | | Died | Claudio Rangoni † | Bishop of Piacenza, Italy |
| 15 Sep | | Ordained Bishop | Alfonso Giglioli † | Bishop of Anglona-Tursi, Italy |
| Ordained Bishop | Ferdinando Millini † | Bishop of Imola, Italy |
| 20 Sep | 59.7 | Died | Juan (Giovanni) de Espila (Spilla), O.P. † | Archbishop of Acerenza e Matera, Italy |
| 21 Sep | 27.4 | Ordained Priest | Francesco Maria Brancaccio † | Priest | Cardinal, Bishop of Porto e Santa Rufina, Italy |
| 23 Sep | 27.1 | Ordained Priest | Johann Balthasar Liesch von Hornau † | Priest of Regensburg, Germany | Auxiliary Bishop of Wrocław (Breslau), Poland |
| Oct | | Died | Giovanni de Clčves, C.R.S.A. † | Titular Bishop of Bethleem |
| 7 Oct | 50.8 | Appointed | Paolo Faraone † | Bishop of Siracusa, Italy |
| 43.8 | Appointed | Nicolaus Righi † | Bishop of Tinos, Greece |
| 64.0 | Died | Francesco Vendramin † | Cardinal, Patriarch of Venezia {Venice}, Italy |
| 9 Oct | | Died | Girolamo Contarini, O.P. † | Bishop of Capodistria (Capo d'Istria)(Koper), Slovenia |
| 45.3 | Died | Markus Sittikus von Hohenems † | Archbishop of Salzburg, Austria |
| 57.8 | Appointed | Giovanni Linati † | Bishop of Piacenza, Italy |
| 13 Oct | 47.8 | Ordained Bishop | Charles de Haqueville † | Bishop of Soissons, France |
| 16 Oct | 64.8 | Died | Stanisław Sieciński † | Bishop of Przemyśl, Poland |
| 19 Oct | 57.8 | Appointed | Juan Torres de Osorio † | Bishop of Catania, Italy | Bishop of Valladolid, Spain |
| 28 Oct | 50.8 | Ordained Bishop | Paolo Faraone † | Bishop of Siracusa, Italy |
| 11 Nov | | Born | Jobst Edmund von Brabeck † | Letmathe | Bishop of Hildesheim, Germany |
| 13 Nov | | Appointed | Giovanni Battista Stella † | Bishop of Bitonto, Italy |
| 60.9 | Appointed | Ulpiano (Volpiano) Volpi † | Archbishop (Personal Title) of Novara, Italy | Bishop |
| 15 Nov | | Born | Giulio Giacomo Castellani, O.S.A. † | Urbinaten | Bishop of Cagli, Italy |
| 20 Nov | | Appointed | Alessandro Bosco † | Bishop of Carinola (Calina), Italy | Bishop Emeritus of Gerace, Italy |
| 56.1 | Resigned | Berlinghiero Gessi † | Bishop of Rimini, Italy | Cardinal, Bishop Emeritus |
| 35.9 | Appointed | Francesco Nappi † | Bishop of Polignano (Polinianum), Italy |
| 40.9 | Appointed | Cyprian Pavoni, O.S.B. † | Bishop of Rimini, Italy |
| Appointed | Giovanni Tiepolo † | Patriarch of Venezia {Venice}, Italy |
| 2 Dec | 36.9 | Appointed | Joannes Franciscus Gniński † | Titular Bishop of Aenus |
| Appointed | Ambrosio Vallejo Mejía, O. Carm. † | Bishop of Popayán, Colombia | Bishop of Trujillo, Peru |
| 6 Dec | | Born | Odoardo Cibo (Cybo) † | Genoa, Italy | Titular Patriarch of Constantinople |
| 8 Dec | 35.9 | Ordained Bishop | Francesco Nappi † | Bishop of Polignano (Polinianum), Italy |
| 40.9 | Ordained Bishop | Cyprian Pavoni, O.S.B. † | Bishop of Rimini, Italy |
| 45.3 | Ordained Bishop | Enrique Pimentel Zúńiga † | Bishop of Valladolid, Spain | Bishop of Cuenca, Spain |
| 16 Dec | 46.3 | Appointed | Johannes Pelking (Pelcking), O.F.M. Conv. † | Auxiliary Bishop of Paderborn, Germany |
| 46.3 | Appointed | Johannes Pelking (Pelcking), O.F.M. Conv. † | Auxiliary Bishop of Hildesheim, Germany | Auxiliary Bishop of Paderborn, Germany |
| 46.3 | Appointed | Johannes Pelking (Pelcking), O.F.M. Conv. † | Auxiliary Bishop of Münster, Germany | Auxiliary Bishop of Paderborn, Germany |
| 46.3 | Appointed | Johannes Pelking (Pelcking), O.F.M. Conv. † | Titular Bishop of Cardicium | Auxiliary Bishop of Paderborn, Germany |
| 47.0 | Appointed | Pedro de Solier y Vargas, O.S.A. † | Archbishop of Santo Domingo, Dominican Republic |
| 29 Dec | | Ordained Bishop | Giovanni Battista Stella † | Bishop of Bitonto, Italy |