| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 51.0 | Ordained Bishop | Fernando Ignacio Arango Queipo, O.S.A. † | Bishop of Tui, Spain |
| Born | Luis da Anunciação Azevedo, O.P. † | Lisbonne, Portugal | Bishop Emeritus of Angola e Congo, Angola |
| Appointed | Antoine-François de Bliterswyck de Montcley † | Bishop of Autun, France | Archbishop of Besançon, France |
| Appointed | Antoine-Jérôme Boyvin de Vaurouy † | Bishop of Perpignan-Elne, France | Bishop-Elect Emeritus |
| Born | Gaspard Brunet de Tressemanes † | Riez | Bishop Emeritus of Glandèves, France |
| Born | Claude-Marc-Antoine d'Apchon † | Montbrison | Bishop of Auch, France |
| Appointed | Gianfrancesco De' Bisleti † | Bishop of Cagli, Italy |
| Appointed | Alessandro Dolfi † | Bishop of Fano, Italy |
| 41.0 | Appointed | Charles-Guillaume de Maupeou † | Bishop of Lombez, France |
| Appointed | Karol Piotr Pancerzyński † | Bishop of Smoleńsk, Poland | Bishop of Vilnius, Lithuania |
| Born | Pierre Peineau du Verdier, C.O. † | Tonneins | Bishop of Acci and Mariana, France |
| Appointed | Piotr Tarlo † | Bishop of Poznań, Poland |
| Died | Miguel Juan de Taverner y Rubí † | Archbishop of Tarragona, Spain |
| 5 Jan | 62.0 | Died | Jean-Hervé Bazan de Flamanville † | Bishop of Perpignan-Elne, France |
| 8 Jan | | Appointed | Dominique-Laurent de Balbe de Berton de Crillon † | Bishop of Glandèves, France |
| 33.0 | Appointed | Charles de Bannes d'Avéjan † | Bishop of Alès (Alais), France |
| 66.0 | Died | Jean-Baptiste-Armand Bazin de Besons † | Archbishop of Rouen, France |
| 46.0 | Appointed | Charles-François d'Hallencourt de Dromesnil † | Bishop of Verdun, France |
| 38.0 | Appointed | Léonor III de Goyon de Matignon † | Bishop of Coutances, France |
| Appointed | Pierre-Guillaume de La Vieuxville-Pourpris † | Bishop of Saint-Brieuc, France |
| 37.0 | Appointed | François-Honoré-Lancelot de Maniban de Casaubon † | Bishop of Mirepoix, France | Bishop of Bordeaux, France |
| Died | Charles Andrault de Maulevrier de Langeron † | Bishop Emeritus of Autun, France |
| 9 Jan | 56.6 | Appointed | François Blouet de Camilly † | Archbishop of Tours, France |
| 47.9 | Appointed | Wenzel Franz Karl Reichsfreiherr Koschinsky von Koschín † | Bishop of Hradec Králové, Czech Republic |
| 43.6 | Appointed | Johann Adam Reichsgraf von Wratislaw von Mitrowitz † | Bishop of Litomĕrice, Czech Republic |
| 10 Jan | 40.0 | Appointed | Scipion-Jérôme Bégon † | Bishop of Toul, France |
| 11 Jan | 30.3 | Appointed | Nicolas-Charles de Saulx-Tavannes † | Bishop of Chalons-sur-Marne, France | Cardinal, Archbishop of Rouen, France |
| 14 Jan | 65.5 | Died | Fulvio Astalli † | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 20 Jan | 63.9 | Appointed | Juan Álvaro Cienfuegos Villazón, S.J. † | Archbishop (Personal Title) of Catania, Italy | Cardinal, Archbishop of Monreale, Italy |
| Born | Gabriel Alvarez Faria † | Badajoz | Bishop of Badajoz, Spain |
| 69.4 | Appointed | Manuel Alvares da Costa † | Bishop of Angra, Portugal |
| 50.8 | Appointed | Pantaleon Bruns, O.S.B. † | Auxiliary Bishop of Paderborn, Germany |
| 50.8 | Appointed | Pantaleon Bruns, O.S.B. † | Titular Bishop of Thyatira | Auxiliary Bishop of Paderborn, Germany |
| 53.6 | Appointed | Giorgio Spínola † | Cardinal-Priest of S. Agnese fuori le mura | Cardinal, Cardinal-Bishop of Palestrina |
| 25 Jan | 91.0 | Died | Pierre-Daniel Huet † | Bishop Emeritus of Avranches, France |
| 3 Feb | 58.1 | Appointed | Bartolomeo Massei † | Titular Archbishop of Atene | Cardinal, Bishop of Ancona e Numana, Italy |
| Appointed | Inácio de Santa Teresa, O.S.A. † | Archbishop of Goa, India | Bishop of Faro {Algarve}, Portugal |
| Born | Johann Moritz Freiherr von Strachwitz † | Freyhan | Apostolic Administrator of Wrocław, Poland |
| 61.1 | Appointed | Gregorio Téllez, O.F.M. Conv. † | Bishop of Ciudad Rodrigo, Spain | Bishop Emeritus |
| 45.9 | Appointed | Felipe de los Tueros Huerta † | Bishop of Guadix, Spain | Archbishop of Granada, Spain |
| 6 Feb | 70.1 | Died | Felipe Ignacio Trujillo y Guerrero † | Bishop of Michoacán, Michoacán, México |
| 12 Feb | 50.3 | Appointed | José a Santa Maria de Jesus Azevedo Leal, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 19 Feb | 48.2 | Died | Joseph Anton Reichfreiherr von Delmestri von Schönberg † | Bishop of Trieste, Italy |
| 24 Feb | | Born | Jean-Armand de Bessuéjouls Roquelaure † | Lassouts, France | Archbishop Emeritus of Mechelen, Belgium |
| 44.4 | Ordained Bishop | Damian Hugo Philipp Reichsgraf von Schönborn Bushein † | Cardinal, Bishop of Speyer, Germany |
| 27 Feb | 67.2 | Died | Miguel del Olmo Manrique † | Bishop of Cuenca, Spain |
| 1 Mar | | Born | Angel Molinos, O.P. † | Tórtoles de Esgueva | Bishop of Zamora, Spain |
| 3 Mar | 58.3 | Appointed | Francesco Barberini (Jr.) † | Bishop of Palestrina, Italy | Cardinal, Prefect of the Roman Curia - Other |
| 73.2 | Appointed | Francesco del Giudice † | Cardinal-Bishop of Frascati | Cardinal, Archbishop Emeritus of Monreale, Italy |
| 70.9 | Appointed | Sebastiano Antonio Tanara † | Cardinal-Bishop of Ostia (-Velletri) | Cardinal, Titular Archbishop of Damascus |
| 7 Mar | 83.2 | Died | Francisco de São Jerõnimo de Andrade, C.S.J. † | Bishop of São Sebastião do Rio de Janeiro, Brazil |
| 16 Mar | 58.3 | Ordained Bishop | Francesco Barberini (Jr.) † | Bishop of Palestrina, Italy | Cardinal, Prefect of the Roman Curia - Other |
| Born | Damian August Philipp Karl Reichsgraf von Limburg-Styrum † | Gemen | Bishop of Speyer, Germany |
| 17 Mar | 41.2 | Ordained Bishop | Alexandre de Jouanne de Saumery † | Bishop of Rieux, France |
| 19 Mar | 71.7 | Died | Giovanni Francesco Albani † | Pope (Roma {Rome}, Italy) |
| 23 Mar | 51.0 | Ordained Bishop | Pantaleon Bruns, O.S.B. † | Titular Bishop of Thyatira | Auxiliary Bishop of Paderborn, Germany |
| 15 Apr | | Born | Muzio Gallo † | Osimo | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 27 Apr | 61.3 | Ordained Bishop | Gregorio Téllez, O.F.M. Conv. † | Bishop of Ciudad Rodrigo, Spain | Bishop Emeritus |
| 1 May | 42.3 | Ordained Bishop | Ramón Marimón Corbera † | Bishop of Vic, Spain |
| 51.0 | Ordained Bishop | José Taberner (Taverner) Dárdena † | Bishop of Gerona, Spain |
| 2 May | | Born | Pierre-Louis de Leyssin † | Aoste | Archbishop of Embrun, France |
| 4 May | 55.8 | Ordained Bishop | François-Gabriel Guisain, M.E.P. † | Titular Bishop of Laranda | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 59.9 | Died | Manuel de Mimbela y Morlans, O.F.M. † | Bishop of Guadalajara, Jalisco, México |
| 46.1 | Ordained Bishop | Felipe de los Tueros Huerta † | Bishop of Guadix, Spain | Archbishop of Granada, Spain |
| 8 May | 66.0 | Elected | Michelangelo dei Conti † | Pope (Roma {Rome}, Italy) |
| 10 May | 53.9 | Appointed | Giorgio Spínola † | Secretary of the Secretariat of State | Cardinal, Cardinal-Bishop of Palestrina |
| 18 May | 66.0 | Installed | Michelangelo dei Conti † | Pope (Roma {Rome}, Italy) |
| 28 May | 56.5 | Appointed | Réné-François Beauvau de Rivau † | Archbishop of Narbonne, France |
| 59.1 | Appointed | Francisco Laso de la Vega Córdova, O.P. † | Bishop of Plasencia, Spain |
| Jun | 81.4 | Died | Joaquín Canaves, O.S. † | Bishop of Malta |
| 8 Jun | 50.6 | Ordained Bishop | José a Santa Maria de Jesus Azevedo Leal, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 9 Jun | 79.4 | Died | Martin Bernhard Just von Friedenfeld † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 12 Jun | | Died | Alfonso De' Belincioni † | Bishop of Cagli, Italy |
| 13 Jun | | Born | Antonio Andrés López Arroyo, O.F.M. † | Casarrubios del Monte | Bishop of Astorga, Spain |
| 41.9 | Ordained Priest | Domingo (Damiano) Polou † | Priest | Archbishop of Reggio Calabria, Italy |
| 16 Jun | 41.6 | Installed | Thomas Philip Wallrad d'Alsace-Boussut de Chimay † | Cardinal-Priest of S. Cesareo in Palatio | Cardinal, Archbishop of Mechelen, Belgium |
| 56.5 | Appointed | Nuno da Cunha e Ataíde † | Cardinal-Priest of S. Anastasia | Cardinal, Titular Bishop of the unknown of Titular See |
| Appointed | Juan Lancaster (or Alencaster) Norona † | Bishop of Cuenca, Spain |
| 59.0 | Installed | José Pereira de Lacerda † | Cardinal-Priest of S. Susanna | Cardinal, Bishop of Faro {Algarve}, Portugal |
| 47.0 | Installed | Armand-Gaston-Maximilien de Rohan de Soubise † | Cardinal-Priest of SS. Trinità al Monte Pincio | Cardinal, Bishop of Strasbourg, France |
| 44.7 | Appointed | Damian Hugo Philipp Reichsgraf von Schönborn Bushein † | Cardinal-Deacon of S. Nicola in Carcere | Cardinal, Bishop of Speyer, Germany |
| 64.1 | Installed | Henri-Pons de Thiard de Bissy † | Cardinal-Priest of Ss. Quirico e Giulitta | Cardinal, Bishop of Meaux, France |
| 17 Jun | | Born | Antoine-René Bardonnenche † | Grenoble | Bishop of Vence, France |
| 18 Jun | 45.0 | Appointed | Johann Moritz Gustav Reichsgraf von Manderscheid-Blankenheim † | Bishop of Wiener Neustadt, Austria | Archbishop of Praha {Prague}, Czech Republic |
| 21 Jun | 58.1 | Installed | Carlos Borja Centellas y Ponce de León † | Cardinal-Priest of S. Pudenziana | Cardinal, Patriarch of West Indies, Spain |
| 23 Jun | | Born | Aymard-Chrétien-François-Michel de Nicolay † | Paris | Bishop of Verdun, France |
| 48.9 | Appointed | Benjamin Petre, O.S.B. † | Coadjutor Vicar Apostolic of London District, England, Great Britain | Vicar Apostolic |
| 48.9 | Appointed | Benjamin Petre, O.S.B. † | Titular Bishop of Prusa | Vicar Apostolic of London District, England, Great Britain |
| 30 Jun | 61.5 | Died | Jan Kazimierz de Alten Bokum † | Bishop of Chelmno (Culma), Poland |
| 1 Jul | | Born | Franz Xaver Reichsfreiherr von Adelmann von Adelmannsfelden † | Hohenstadt | Auxiliary Bishop of Augsburg, Germany |
| 5 Jul | 55.5 | Died | Atanasio Esterriga Trajanáuregui † | Bishop of Mallorca, Spain |
| 6 Jul | | Ordained Bishop | Pierre-Guillaume de La Vieuxville-Pourpris † | Bishop of Saint-Brieuc, France |
| 9 Jul | 72.5 | Died | Pedro Nogales Dávila † | Bishop of Tlaxcala, Tlaxcala, México |
| 13 Jul | 41.5 | Ordained Bishop | Charles-Guillaume de Maupeou † | Bishop of Lombez, France |
| 38.6 | Ordained Deacon | Domenico Silvio Passionei † | Deacon | Cardinal, Librarian of the Vatican Library |
| 14 Jul | | Born | Bernardino Giraud † | Rome | Cardinal, Archbishop Emeritus of Ferrara, Italy |
| 16 Jul | 28.8 | Elevated to Cardinal | Alessandro Albani † | Cardinal, Archivist of the Vatican Secret Archives |
| 52.6 | Appointed | Tomás Crespo Agüero † | Bishop of Ceuta, Spain | Archbishop of Zaragoza, Spain |
| Appointed | Miguel Estela, O.M. † | Bishop of Jaca, Spain |
| 38.6 | Appointed | Domenico Silvio Passionei † | Titular Archbishop of Ephesus | Cardinal, Librarian of the Vatican Library |
| 52.8 | Appointed | Francesco Maria Tansj (Tansi) † | Bishop of Teramo, Italy |
| 25 Jul | 38.6 | Ordained Bishop | Domenico Silvio Passionei † | Titular Archbishop of Ephesus | Cardinal, Librarian of the Vatican Library |
| 52.8 | Ordained Bishop | Francesco Maria Tansj (Tansi) † | Bishop of Teramo, Italy |
| 27 Jul | 33.6 | Ordained Bishop | Charles de Bannes d'Avéjan † | Bishop of Alès (Alais), France |
| 30 Jul | 38.7 | Appointed | Domenico Silvio Passionei † | Apostolic Nuncio to Switzerland | Cardinal, Librarian of the Vatican Library |
| 2 Aug | 71.6 | Died | Stanislaw Szembek † | Archbishop of Gniezno, Poland |
| 3 Aug | 45.1 | Ordained Priest | Johann Moritz Gustav Reichsgraf von Manderscheid-Blankenheim † | Priest of Wiener Neustadt, Austria | Archbishop of Praha {Prague}, Czech Republic |
| 7 Aug | 76.5 | Died | Johann Jakob Senfft † | Auxiliary Bishop of Mainz, Germany |
| 14 Aug | 57.6 | Succeeded | Thomas Bottaro a Sextris, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 76.6 | Died | Juan a Santa Cruz, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 24 Aug | 29.4 | Ordained Priest | Francisco Xavier Aranha † | Priest | Bishop of Olinda, Brazil |
| 5 Sep | 59.7 | Appointed | José Xirón de Alvarado, O.P. † | Bishop of León en Nicaragua |
| 7 Sep | | Ordained Bishop | Juan Lancaster (or Alencaster) Norona † | Bishop of Cuenca, Spain |
| 9 Sep | 70.4 | Appointed | Fabrizio Paolucci † | Prefect of the Congregation of Bishops and Regulars | Cardinal, Prefect of the Roman Curia - Other |
| 10 Sep | 45.0 | Appointed | Damian Hugo Philipp Reichsgraf von Schönborn Bushein † | Cardinal-Priest of S. Pancrazio | Cardinal, Bishop of Speyer, Germany |
| 11 Sep | | Born | Giovanni Battista Bussi de Pretis † | Urbino | Cardinal, Bishop of Jesi, Italy |
| 13 Sep | 63.5 | Died | François de Mailly † | Cardinal, Archbishop of Reims, France |
| 14 Sep | | Born | Arthur-Richard Dillon † | Saint-Germain-en-Laye | Archbishop of Narbonne, France |
| 16 Sep | | Born | Étienne-François-Xavier des Michels de Champorcin † | Digne | Bishop of Senez, France |
| 21 Sep | | Died | Tommaso della Gherardesca † | Archbishop of Firenze {Florence}, Italy |
| 24 Sep | 28.9 | Appointed | Alessandro Albani † | Cardinal-Deacon of S. Adriano al Foro | Cardinal, Archivist of the Vatican Secret Archives |
| 31.7 | Confirmed | Louis-Jacques Chapt de Rastignac † | Bishop of Tulle, France | Archbishop of Tours, France |
| Born | Gabriel-François Moreau † | Paris | Bishop of Autun, France |
| 55.1 | Appointed | José Luis Palos Bord, O.F.M. † | Coadjutor Bishop of Paraguay | Bishop |
| 31.0 | Confirmed | Nicolas-Charles de Saulx-Tavannes † | Bishop of Chalons-sur-Marne, France | Cardinal, Archbishop of Rouen, France |
| 44.3 | Confirmed | Johann Adam Reichsgraf von Wratislaw von Mitrowitz † | Bishop of Litomĕrice, Czech Republic |
| Oct | 52.8 | Ordained Bishop | Tomás Crespo Agüero † | Bishop of Ceuta, Spain | Archbishop of Zaragoza, Spain |
| 5 Oct | 63.8 | Died | Louis-Annet de Clermont de Chaste de Roussillon † | Bishop of Laon, France |
| 25.5 | Ordained Priest | Ludwig Hatteisen, O.S.B. † | Priest of Order of Saint Benedict | Auxiliary Bishop of Hildesheim, Germany |
| 6 Oct | 23.5 | Appointed | Charles de Saint-Albin † | Bishop of Laon, France | Archbishop of Cambrai, France |
| 11 Oct | | Born | Antônio Corrêa, O.S.A. † | Porto | Archbishop of São Salvador da Bahia, Brazil |
| 12 Oct | | Ordained Bishop | Miguel Estela, O.M. † | Bishop of Jaca, Spain |
| 14 Oct | 18.1 | Confirmed | Johann Theodor Herzog von Bayern † | Cardinal, Bishop of Regensburg, Germany |
| 18 Oct | 72.2 | Died | Georg Sigismund von Sinnersberg † | Auxiliary Bishop of Trento, Italy |
| 19 Oct | 23.0 | Ordained Priest | Michal Ignacy Kunicki † | Priest | Auxiliary Bishop of Kraków, Poland |
| 26 Oct | 37.8 | Ordained Bishop | François-Honoré-Lancelot de Maniban de Casaubon † | Bishop of Mirepoix, France | Bishop of Bordeaux, France |
| 4 Nov | 52.4 | Appointed | Johann Joseph Ignaz Freyschlag von Schmidenthal † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 5 Nov | | Born | Juan Varela Fondevilla y Verea † | San Pedro de Folladella | Auxiliary Bishop of Santiago de Compostela, Spain |
| 9 Nov | 31.2 | Ordained Bishop | Nicolas-Charles de Saulx-Tavannes † | Bishop of Chalons-sur-Marne, France | Cardinal, Archbishop of Rouen, France |
| 11 Nov | 49.3 | Ordained Bishop | Benjamin Petre, O.S.B. † | Titular Bishop of Prusa | Vicar Apostolic of London District, England, Great Britain |
| 15 Nov | 25.5 | Ordained Priest | Leopold Friedrich Reichsgraf von Egkh und Hungersbach † | Priest of Olomouc, Czech Republic | Bishop |
| 16 Nov | | Ordained Bishop | Juan Francisco Gómez Calleja † | Bishop of Cartagena, Colombia | Bishop of Popayán, Colombia |
| 1 Dec | 38.9 | Confirmed | Léonor III de Goyon de Matignon † | Bishop of Coutances, France |
| 48.8 | Confirmed | Wenzel Franz Karl Reichsfreiherr Koschinsky von Koschín † | Bishop of Hradec Králové, Czech Republic |
| 42.9 | Appointed | Manuel Samaniego Jaca † | Archbishop of Tarragona, Spain | Archbishop Emeritus of Burgos, Spain |
| 20 Dec | 24.6 | Ordained Priest | Antônio da Madre de Deus Galvão, O.F.M. † | Priest of Order of Friars Minor | Bishop of São Paulo, Brazil |
| 25 Dec | | Born | José Tormo Juliá † | Albaida | Bishop of Orihuela, Spain |