| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Jean-Baptiste Adhémar de Monteil de Grignan † | | Archbishop of Arles, France |
| 30.0 | Ordained Priest | Matteo Avanisensis, O.P. † | Priest of Order of Friars Preachers | Archbishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia |
| Born | Pierre-François Beauvau de Rivau † | Turonen | Bishop of Sarlat, France |
| Born | Henri de Briqueville † | | Bishop of Cahors, France |
| Born | Antonio de Brizuela y Salamanca † | Burgen | Bishop of Jaén, Spain |
| Born | Fulvio Crivelli (Cribelli) † | Napoli | Bishop of Tricarico, Italy |
| Born | Stanisław Kazimierz Dąmbski † | Lubańiec | Bishop of Kraków, Poland |
| Born | Jean-Baptiste d’Estampes de Valançay † | Neufvy | Bishop of Marseille, France |
| 60.0 | Died | Loreto Di Franco (De Franchis) † | Bishop of Minori, Italy |
| Born | Francisco de San José Pedro Mesía y Portocarrero, O.F.M. † | Madrid | Bishop of Málaga, Spain |
| Born | Giovanni Emblaviti † | Boven | Bishop of Belcastro, Italy |
| Born | Diego Evelino Hurtado de Compostela (Vélez) † | Santiago de Compostela | Bishop of Santiago de Cuba |
| Born | Felipe Galindo Chávez y Pineda, O.P. † | Veracruz | Bishop of Guadalajara, Jalisco, México |
| Appointed | Hugues de Labatut † | Bishop of (Saint-Bernard de) Comminges, France |
| 60.0 | Died | Benedetto Landi † | Bishop Emeritus of Fossombrone, Italy |
| Born | Diego de La Cueva y Aldana † | Madrid | Bishop of Valladolid, Spain |
| Born | Louis de La Vergne-Montenard de Tressan † | Beziers | Bishop of Le Mans, France |
| Born | Marc Mallier du Houssay † | Venetiis | Bishop of Tarbes, France |
| 53.0 | Selected | Annibale Mascambruno † | Archbishop of Reggio Calabria, Italy | Bishop of Castellammare di Stabia, Italy |
| Appointed | João Mendes de Távora † | Bishop of Coimbra, Portugal |
| Born | Guillaume de Meschatin † | Bituricen | Bishop of Gap, France |
| Born | Francesco Maria Moles, C.R. † | Napoli | Bishop Emeritus of Nola, Italy |
| Born | Armand de Monchy d’Hocquincourt † | Noviomen | Bishop of Verdun, France |
| 63.0 | Died | Orazio Muscettola † | Bishop of Trevico, Italy |
| Born | Michel Poncet de la Rivière † | Paris | Bishop of Uzés, France |
| Born | Giuseppe Ponzi † | Corigliano | Bishop of Umbriatico (Umbriaticum), Italy |
| 61.0 | Died | Bogusław Radoszewski † | Bishop of Lutsk (Łuck), Ukraine |
| Born | Athanasius Safar † | Mardin | Bishop of Mardin ed Amida (Syrian), Iraq |
| 19.3 | Professed | Matthäus Ferdinand Sobek von Bilenberg, O.S.B. † | Member of Order of Saint Benedict | Archbishop of Praha {Prague}, Czech Republic |
| Born | Leone Strozzi, O.S.B. † | Florence | Archbishop of Firenze {Florence}, Italy |
| Appointed | Barthélemy Supersaxo † | Bishop of Sion {Sitten}, Switzerland |
| Born | Domenico Tarugi † | Ferrara | Cardinal, Bishop of Ferrara, Italy |
| Appointed | Nikolaus Aliprandi von Thomasis † | Auxiliary Bishop of Passau, Germany |
| Died | Christophorus Tolomei † | Bishop of Sovana (Soana), Italy |
| Born | Antonio Tortorelli, O.F.M. † | S. Joannis Rotundi | Bishop of Trivento, Italy |
| 37.0 | Ordained Bishop | José Valle de la Cerda, O.S.B. † | Bishop of Almería, Spain | Bishop of Badajoz, Spain |
| Died | Gabriel de Zarate, O.P. † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| Born | Domenico de Zaoli (Zaulis) † | Valencia | Bishop Emeritus of Veroli, Italy |
| Born | Jerónimo Zolivera † | Barbastren | Bishop of Teruel, Spain |
| 1 Jan | | Died | Antonio Brunachio † | Bishop of Conversano, Italy |
| 3 Jan | | Ordained Bishop | Francesco Antonio Biondo, O.F.M. Conv. † | Bishop of Capri, Italy | Bishop of Ortona a Mare e Campli, Italy |
| 37.0 | Ordained Bishop | Ippolito Campioni, O.S.B. † | Bishop of Chiusi, Italy |
| 7 Jan | 69.0 | Died | Sebastiano Ricci † | Bishop of Città della Pieve, Italy |
| Born | Benedetto Giacinto Sangermano † | Bisignanen | Bishop of Nusco, Italy |
| 10 Jan | 32.4 | Ordained Bishop | Marquard von Schenk von Castell † | Bishop of Eichstätt, Germany |
| 11 Jan | | Born | Bl. Niels Stensen † | Kobenhavn | Vicar Apostolic of Nordic Missions, Germany |
| 15 Jan | 51.0 | Appointed | Marco Antonio Coccini † | Bishop of Anglona-Tursi, Italy | Bishop of Imola, Italy |
| Appointed | Gaspare Conturla † | Bishop of Venosa, Italy |
| 51.0 | Appointed | Giovanni Battista Falesi, O.P. † | Bishop of Mottola (Motula), Italy |
| Appointed | Francesco Tontori (Tontolo), C.R.S. † | Bishop of Ischia, Italy |
| 24 Jan | | Ordained Bishop | Gaspare Conturla † | Bishop of Venosa, Italy |
| 51.1 | Ordained Bishop | Giovanni Battista Falesi, O.P. † | Bishop of Mottola (Motula), Italy |
| Ordained Bishop | Francesco Tontori (Tontolo), C.R.S. † | Bishop of Ischia, Italy |
| 27 Jan | | Died | Hernando de Arias y Ugarte † | Archbishop of Lima, Peru |
| Died | Ascanio Gesualdo † | Archbishop of Bari (-Canosa), Italy |
| Feb | | Born | Baldassare de Benavente, O. de M. † | Salamantin | Bishop of Potenza, Italy |
| 4 Feb | | Born | José de Oliveira, O.S.A. † | Guimaraes | Bishop Emeritus of Angola e Congo, Angola |
| 6 Feb | | Born | Johann Ignaz Dlouhovesky † | Praha | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 9 Feb | 73.1 | Died | Gutiérrez Bernardo de Quirós (Quiróz) † | Bishop of Tlaxcala, México |
| 13 Feb | 6.1 | Appointed | Petrus Deodatus, O.F.M. † | Coadjutor Bishop of Sardica (Sredek, Sofia), Bulgaria | Archbishop of Sardica (Sredek, Sofia), Bulgaria |
| 6.1 | Appointed | Petrus Deodatus, O.F.M. † | Titular Bishop of Callipolis | Archbishop of Sardica (Sredek, Sofia), Bulgaria |
| 26 Feb | | Appointed | Francesco Antonio Frasella, O.F.M. Conv. † | Apostolic Administrator of Japan |
| Mar | 65.2 | Died | Paolo Cajatia † | Bishop of Ariano, Italy |
| 1 Mar | | Appointed | Attilio Orsini † | Bishop of Montepeloso, Italy |
| Appointed | Tommaso Salviati † | Bishop of Arezzo, Italy |
| Appointed | Francesco Surgenti (Sorgente), C.R. † | Archbishop of Brindisi, Italy | Bishop of Monopoli, Italy |
| Appointed | Felice Tamburelli † | Bishop of Sora, Italy |
| 2 Mar | | Appointed | Ottavio Branciforte † | Bishop of Catania, Italy |
| 14 Mar | 51.2 | Ordained Bishop | Cipriano Arcón (Azcon) † | Bishop of Alghero, Italy |
| Ordained Bishop | Felice Tamburelli † | Bishop of Sora, Italy |
| 15 Mar | 61.2 | Installed | Diego de Zambrana de Villalobos y Cordero † | Bishop of Concepción, Chile | Bishop of Santiago de Chile |
| 21 Mar | | Ordained Bishop | Attilio Orsini † | Bishop of Montepeloso, Italy |
| 22 Mar | 52.9 | Confirmed | Diego Arce Reinoso † | Bishop of Avila, Spain | Bishop Emeritus of Plasencia, Spain |
| Apr | 53.3 | Died | Alessandro (Fabrizio) Suardi † | Bishop of Caserta, Italy |
| 1 Apr | | Died | Annibale D’Afflitto † | Archbishop of Reggio Calabria, Italy |
| 18 Apr | | Died | Luis García Rodríguez † | Bishop of Astorga, Spain |
| 19 Apr | | Appointed | Dionisio Bussotti, O.S.M. † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| Appointed | Giovanni Battista Carcarasio † | Bishop of Città della Pieve, Italy |
| Appointed | Agostino Ferentillo † | Bishop of Conversano, Italy |
| Appointed | Andrzej Gembicki † | Bishop of Lutsk (Łuck), Ukraine |
| Appointed | Fabio Magnesi † | Bishop of Trevico, Italy | Bishop of Ostuni, Italy |
| 25 Apr | | Ordained Bishop | Dionisio Bussotti, O.S.M. † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| Ordained Bishop | Giovanni Battista Carcarasio † | Bishop of Città della Pieve, Italy |
| Ordained Bishop | Agostino Ferentillo † | Bishop of Conversano, Italy |
| Ordained Bishop | Fabio Magnesi † | Bishop of Trevico, Italy | Bishop of Ostuni, Italy |
| May | | Died | Matteo Granito † | Archbishop of Amalfi, Italy |
| 2 May | 51.3 | Ordained Bishop | Gaspar de Villarroel, O.S.A. † | Bishop of Santiago de Chile | Archbishop of La Plata o Charcas, Bolivia |
| 6 May | | Born | Carlo Bichi † | Siena, Italy | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 53.3 | Died | Cornelius Janssen † | Bishop of Ypres (Ieper), Belgium |
| 11 May | | Died | Giambattista Visconti, O.S.A. † | Bishop of Teramo, Italy |
| 14 May | 43.7 | Appointed | Claude D’Achey † | Archbishop of Besançon, France |
| 16 May | 52.5 | Died | Hildebrand Jost † | Bishop of Sion {Sitten}, Switzerland |
| 23 May | 61.4 | Died | Ludovicus Galbiati † | Bishop of Acerno, Italy |
| 27 May | 63.4 | Died | Jan Wężyk † | Archbishop of Gniezno, Poland |
| 29 May | 28.0 | Ordained Priest | Francesco Alberti di Poja † | Priest of Trento, Italy | Bishop |
| Jun | | Born | Ippolito Vicentini † | Rieti | Bishop of Rieti, Italy |
| 9 Jun | | Died | Ambrosio de Córdoba, O.P. † | Bishop of Tropea, Italy |
| 13 Jun | | Appointed | Juan de la Torre Ayala † | Bishop of Zamora, Spain |
| 14 Jun | 41.2 | Appointed | Juan Alonso y Ocón † | Bishop of Yucatán (Mérida), México | Archbishop of La Plata o Charcas, Bolivia |
| Appointed | Antonio del Pezzo † | Bishop of Polignano (Polinianum), Italy | Archbishop of Sorrento, Italy |
| 15 Jun | | Died | Apollinaris de Almeida, S.J. † | Coadjutor Patriarch of Ethiopia |
| 20 Jun | | Ordained Bishop | Antonio del Pezzo † | Bishop of Polignano (Polinianum), Italy | Archbishop of Sorrento, Italy |
| 21 Jun | | Appointed | Pietro Corsetto † | Bishop of Cefalù, Italy |
| 78.5 | Died | Roland Hébert † | Archbishop of Bourges, France |
| Appointed | Francisco Pérez Roy † | Bishop of Perpignan-Elne, France | Bishop of Guadix, Spain |
| 63.5 | Appointed | Gonzalo Sánchez de Somoza Quiroga † | Bishop of Mondoñedo, Spain |
| Appointed | Roberto Strozzi † | Bishop of Colle di Val d’Elsa, Italy | Bishop of Fiesole, Italy |
| 22 Jun | | Died | Krzysztof Charbicki † | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 24 Jun | | Ordained Bishop | Pietro Corsetto † | Bishop of Cefalù, Italy |
| 27 Jun | | Ordained Bishop | Roberto Strozzi † | Bishop of Colle di Val d’Elsa, Italy | Bishop of Fiesole, Italy |
| 7 Jul | | Born | Johann Michael von Spaur und Valör † | Val di Non | Bishop of Trento, Italy |
| 19 Jul | 42.5 | Died | Ippolito Aldobrandini (Jr.) † | Cardinal, Cardinal-Deacon of Sant’Eustachio |
| 28 Jul | 31.0 | Appointed | Antonio Barberini (Jr.), O.S.Io.Hieros. † | Chamberlain (Camerlengo) of the Apostolic Chamber | Cardinal, Archbishop of Reims, France |
| 46.6 | Appointed | Alessandro Cesarini (Jr.) † | Cardinal-Deacon of Sant’Eustachio | Cardinal, Bishop Emeritus of Viterbo e Tuscania, Italy |
| Aug | | Born | Custodio do Pinho † | Salsete | Titular Bishop of Hierapolis in Isauria |
| 32.6 | Died | Marco Antonio Mandosio † | Bishop of Nicastro, Italy |
| 9 Aug | | Born | Giovanni Francesco Miller † | Gorizia | Bishop of Trieste, Italy |
| Born | Konrad Wilhelm von Werdenau † | Dettingen | Bishop-Elect of Würzburg, Germany |
| 18 Aug | | Appointed | Jean Duval, O.C.D. † | Bishop of Baghdad, Iraq |
| Appointed | Jean Duval, O.C.D. † | Vicar Apostolic of Ispahan, Iran | Bishop of Baghdad, Iraq |
| 22 Aug | | Ordained Bishop | Jean Duval, O.C.D. † | Bishop of Baghdad, Iraq |
| 25 Aug | | Died | Gaspar Gil y Miravete de Blancas † | Bishop of Vic, Spain |
| 30 Aug | | Appointed | Simone Carafa Roccella, C.R. † | Archbishop of Acerenza e Matera, Italy | Archbishop of Messina, Italy |
| Appointed | Juan Pastor, O.M. † | Bishop of Crotone (Cotrone), Italy |
| Sep | 36.7 | Died | Giulio Diotallevi † | Bishop of Strongoli, Italy |
| 11 Sep | | Died | Juan de la Torre Ayala † | Bishop of Zamora, Spain |
| 12 Sep | | Ordained Bishop | Simone Carafa Roccella, C.R. † | Archbishop of Acerenza e Matera, Italy | Archbishop of Messina, Italy |
| Ordained Bishop | Juan Pastor, O.M. † | Bishop of Crotone (Cotrone), Italy |
| 13 Sep | | Appointed | Miguel Beltrán Castellón † | Bishop of Ales e Terralba, Italy |
| 38.4 | Appointed | Francesco Boccapaduli † | Bishop of Valva, Italy | Bishop Emeritus of Città di Castello, Italy |
| 38.4 | Appointed | Francesco Boccapaduli † | Bishop of Sulmona, Italy | Bishop Emeritus of Città di Castello, Italy |
| 50.7 | Appointed | Pietro Paolo Bonsi † | Bishop of Acerno, Italy | Bishop of Conversano, Italy |
| 46.4 | Appointed | Francesco Maria Brancaccio † | Bishop of Viterbo e Tuscania, Italy | Cardinal, Bishop of Porto e Santa Rufina, Italy |
| 46.7 | Resigned | Alessandro Cesarini (Jr.) † | Bishop of Viterbo e Tuscania, Italy | Cardinal, Bishop Emeritus |
| 19 Sep | | Died | Lodovico Cinci † | Bishop of Todi, Italy |
| 21 Sep | 38.5 | Ordained Bishop | Francesco Boccapaduli † | Bishop of Valva, Italy | Bishop Emeritus of Città di Castello, Italy |
| 25 Sep | 67.7 | Died | Gereon Otto von Gutmann zu Sobernheim † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 26 Sep | 27.9 | Ordained Priest | Ludwik Stempkowski † | Priest of Society of Jesus | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 28 Sep | 24.7 | Confirmed | Leopold Wilhelm von Österreich † | Bishop of Olomouc (Olmütz), Czech Republic | Bishop-Elect of Passau, Germany |
| 58.7 | Died | Giulio Antonio Santoro † | Archbishop of Cosenza, Italy |
| Oct | | Born | Miguel Jerónimo de Molina y Aragonés, O.S.Io.Hieros. † | Castel d'Emposta | Bishop Emeritus of Lérida, Spain |
| 11 Oct | 43.3 | Appointed | Ulderico Carpegna † | Bishop of Todi, Italy | Cardinal, Bishop Emeritus |
| 17 Oct | 42.1 | Ordained Bishop | Antonio Marenzi † | Bishop of Pedena, Austria | Bishop of Trieste, Italy |
| 20 Oct | 63.4 | Selected | Diego Salcedo Benacos † | Bishop of Astorga, Spain |
| 1 Nov | | Born | Manuel Arias y Porres, O.S.Io.Hieros. † | Alaejos | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 4 Nov | 55.8 | Died | Giovanni Francesco Gandolfo † | Bishop of Alba (Pompea), Italy |
| 6 Nov | | Born | Giuseppe Labonia, O.S.A. † | Rossanen | Bishop of Montemarano, Italy |
| 9 Nov | 70.9 | Died | Fernando de Vera y Zuñiga, O.S.A. † | Bishop of Cuzco, Peru |
| 10 Nov | | Appointed | Angelo Pichi (Pico) † | Archbishop of Amalfi, Italy | Bishop of San Miniato, Italy |
| Appointed | Stefano Sauli † | Archbishop of Chieti, Italy |
| 11 Nov | | Died | Philibert du Sault † | Bishop of Acqs (Dax), France |
| 14 Nov | | Ordained Bishop | Angelo Pichi (Pico) † | Archbishop of Amalfi, Italy | Bishop of San Miniato, Italy |
| 19 Nov | 63.4 | Died | Lelio Biscia † | Cardinal, Cardinal-Priest of Santa Maria del Popolo |
| 21 Nov | | Ordained Bishop | Stefano Sauli † | Archbishop of Chieti, Italy |
| 20 Dec | 50.0 | Appointed | Jan Lipski † | Archbishop of Gniezno, Poland |
| 26.0 | Ordained Priest | Peter Franz Longinus von Kieferberg † | Priest of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany | Prefect |
| Died | Juan Bautista Pellicer † | Bishop of Segorbe, Spain |
| Appointed | Diego Sersale † | Archbishop of Bari (-Canosa), Italy |
| Appointed | Enea di Cesare Spennazzi † | Bishop of Sovana (Soana), Italy | Bishop of Ferentino, Italy |
| 21 Dec | | Ordained Bishop | Diego Sersale † | Archbishop of Bari (-Canosa), Italy |
| Ordained Bishop | Enea di Cesare Spennazzi † | Bishop of Sovana (Soana), Italy | Bishop of Ferentino, Italy |
| 25 Dec | | Died | Giovanni Michele Rossi, O. Carm. † | Bishop of Alife, Italy |