| 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 | Former Bishop-Elect |
| Born | Gaspard Brunet de Tressemanes † | Riez | Bishop Emeritus of Glandèves, France |
| Born | Joseph-Crispin des Achards de La Baume † | Avignon | Bishop of Cavaillon, France |
| Born | Alexandre-César d'Anterroches † | Saint-Flour | Bishop of Condom, France |
| Born | Claude-Marc-Antoine d'Apchon de Corgenon † | Montbrison | Archbishop of Auch, France |
| Appointed | Gianfrancesco De' Bisleti † | Bishop of Cagli, Italy |
| Appointed | Alessandro Dolfi † | Bishop of Fano, Italy |
| Died | Biagio Gambaro † | Bishop of Telese o Cerreto Sannita, Italy |
| Died | Carlo Antonio Gozzano † | Bishop of Acqui, Italy |
| Appointed | Paul-Robert Hertault de Beaufort † | Bishop of Lectoure, France |
| Born | Alexandre Lascaris de Vintimille † | Marseille | Bishop of Toulon, France |
| 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 |
| 81.0 | Resigned | Guy de Sève de Rochechouart † | Bishop of Arras, France | Bishop Emeritus |
| Appointed | Piotr Tarlo † | Bishop of Poznań, Poland |
| Died | Miguel Juan de Taverner y Rubí † | Archbishop of Tarragona, Spain |
| Appointed | Joseph-Alphonse de Valbelle de Tourves † | Bishop of Sarlat, France | Bishop of Saint-Omer, France |
| 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 |
| 45.0 | Appointed | Godefroid-Maurice de Conflans † | Bishop of Le Puy-en-Velay, France |
| 36.0 | Appointed | Michel d'Argouges † | Bishop of Périgueux (Vesuna), France |
| 46.0 | Appointed | Charles-François d'Hallencourt de Dromesnil † | Bishop of Verdun, France |
| 36.0 | Appointed | Jérôme-Louis de Foudras de Courcenay † | Coadjutor Bishop of Poitiers, France | Bishop |
| 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 |
| 13 Jan | | Born | Benedetto Mattei † | Avezza | Bishop of Marsi, Italy |
| 14 Jan | 65.5 | Died | Fulvio Astalli † | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 19 Jan | 53.3 | Ordained Bishop | Girolamo Crispi † | Archbishop of Ravenna, Italy | Archbishop Emeritus |
| Born | Giovanni Giacomo Onorati † | Terra della Rocchetta | Bishop of Troia, Italy |
| 20 Jan | 63.9 | Appointed | Juan Álvaro Cienfuegos Villazón, S.J. † | Archbishop (Personal Title) of Catania, Italy | Cardinal, Archbishop Emeritus of Monreale, Italy |
| Born | Gabriel Álvarez de Faria y Sánchez Zarzosa † | Badajoz | Bishop of Badajoz, Spain |
| 69.4 | Appointed | Manuel Álvares 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 | Installed | 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 | 67.4 | Appointed | Prospero Marefoschi † | Titular Archbishop of Caesarea in Cappadocia | Cardinal, Cardinal-Priest of S. Silvestro in Capite |
| 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 |
| 11 Feb | | Died | António Paes Godinho, S.J. † | Bishop of Nanking [Nanjing], China | Bishop Emeritus |
| 12 Feb | 50.3 | Appointed | José a Santa Maria de Jesus Azevedo Leal, O.F.M. † | Bishop of Santiago de Cabo Verde |
| Appointed | Emmanuel de Jesus-Maria-Joseph, O.F.M. † | Bishop of Nanking [Nanjing], China |
| 14 Feb | | Born | Donato de' Liguori † | Napoli | Bishop of Venafro, Italy |
| 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 von Schönborn Bushein † | Cardinal, Bishop of Speyer, Germany |
| 25 Feb | | Born | Panfilo Antonio Mazzara † | Sulmona | Bishop of Teramo, Italy |
| 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, Cardinal-Bishop of Ostia (-Velletri) |
| 58.3 | Appointed | Francesco Barberini (Jr.) † | Cardinal-Bishop of Palestrina | Cardinal, Cardinal-Bishop of Ostia (-Velletri) |
| 73.2 | Appointed | Francesco del Giudice † | Cardinal-Bishop of Frascati | Cardinal, Archbishop Emeritus of Monreale, Italy |
| 79.0 | Appointed | Giuseppe Sacripante † | Cardinal-Priest of S. Prassede | Cardinal, Cardinal-Priest of S. Lorenzo in Lucina |
| 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, Cardinal-Bishop of Ostia (-Velletri) |
| 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 |
| 29 Mar | | Born | Segherio Felice Seghieri † | Montecarlo Pescia | Bishop of Sovana-Pitigliano, Italy |
| 30 Mar | | Ordained Bishop | Emmanuel de Jesus-Maria-Joseph, O.F.M. † | Bishop of Nanking [Nanjing], China |
| 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) |
| 9 May | 74.8 | Died | Giandomenico Paracciani † | Cardinal, Bishop Emeritus of Senigallia, Italy |
| 10 May | 53.9 | Appointed | Giorgio Spínola † | Secretary of the Secretariat of State | Cardinal, Cardinal-Bishop of Palestrina |
| 12 May | 86.4 | Died | Giuseppe Crispino † | Bishop of Amelia, Italy |
| 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 |
| 29 May | | Born | Filippo Amadei † | Roma | Bishop of Perugia, Italy |
| Jun | 81.4 | Died | Joaquín Canaves, O.S. † | Bishop of Malta |
| Died | Giuseppe Mastellone † | Bishop of Sant’Angelo dei Lombardi-Bisaccia, Italy |
| 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 | 58.5 | Installed | Luis Antonio Belluga y Moncada, C.O. † | Cardinal-Priest of S. Maria in Traspontina | Cardinal, Bishop Emeritus of Cartagena (en España) |
| 57.3 | Elevated to Cardinal | Bernardo Maria Conti, O.S.B. † | Cardinal, Bishop Emeritus of Terracina, Priverno e Sezze, Italy |
| 48.6 | Installed | Imre Csáky † | Cardinal-Priest of S. Eusebio | Cardinal, Archbishop of Kalocsa, Hungary |
| 41.6 | Installed | Thomas Philip Wallrad d'Hénin-Létard d'Alsace-Boussut de Chimay † | Cardinal-Priest of S. Cesareo in Palatio | Cardinal, Archbishop of Mechelen, Belgium |
| 36.5 | Confirmed | Michel d'Argouges † | Bishop of Périgueux (Vesuna), France |
| 56.5 | Appointed | Nuno da Cunha e Ataíde † | Cardinal-Priest of S. Anastasia | Cardinal, Titular Bishop of the 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 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 |
| 20 Jun | 63.1 | Installed | Giovanni Francesco Barbarigo † | Cardinal-Priest of Ss. Marcellino e Pietro | Cardinal, Bishop of Padova {Padua}, Italy |
| 45.0 | Appointed | Francesco Maria Loyero † | Bishop of Umbriatico (Umbriaticum), Italy | Bishop of Nicastro, Italy |
| 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 |