| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | 69.6 | Resigned | Juan Bautista Alvarez de Toledo, O.F.M. † | Bishop of Guadalajara, Jalisco, México | Bishop Emeritus |
| 38.3 | Ordained Priest | Joseph Franz Valerian Felix Reichsgraf von Arco † | Priest of Salzburg, Austria | Bishop-Elect of Chiemsee, Germany |
| Died | Ferdinand de Berlo de Brus † | Bishop of Namur {Namen}, Belgium |
| Died | Andrea Brancaccio, C.R. † | Archbishop of Cosenza, Italy |
| 31.7 | Appointed | Jean de Caulet † | Bishop of Grenoble, France |
| Died | Juan Cabero y Toledo † | Bishop of Santa Cruz de la Sierra, Bolivia |
| Appointed | Gioachino Maria de' Oldo † | Titular Bishop of Castoria | Bishop Emeritus of Narni, Italy |
| Resigned | Gioachino Maria de' Oldo † | Bishop of Narni, Italy | Bishop Emeritus |
| Died | Giovanni De Lerma † | Archbishop of Manfredonia, Italy |
| Appointed | Benedetto De Luca † | Bishop of Ceneda, Italy | Bishop of Treviso, Italy |
| Appointed | Marcantonio De Marco † | Archbishop of Manfredonia, Italy |
| Born | Giannagostino Gradenigo † | Venezia | Bishop of Ceneda, Italy |
| 46.0 | Appointed | Franciszek Antoni Kobielski † | Titular Bishop of Antaeopolis | Bishop of Luceoria o Łuck, Ukraine |
| Died | Hugh MacDermot † | Bishop of Achonry, Ireland |
| 39.7 | Appointed | Carlo Ambrogio Mezzabarba † | Bishop of Lodi, Italy |
| 36.6 | Appointed | Alexandre Milon † | Bishop of Valence, France |
| 44.0 | Appointed | James O'Gallagher † | Bishop of Raphoe, Ireland | Bishop of Kildare and Leighlin, Ireland |
| 28.0 | Ordained Priest | Étienne-René Potier de Gesvres † | Priest | Cardinal, Bishop Emeritus of Beauvais, France |
| Appointed | Francisco da Purification, O.S.A. † | Bishop of Peking [Beijing], China |
| Born | Charles-Joseph de Raffélis de Saint-Sauveur † | Orange | Bishop of Tulle, France |
| 39.6 | Ordained Priest | Juan Bravo del Rivero y Correa † | Priest of La Plata o Charcas, Bolivia | Bishop of Arequipa, Peru |
| 22.1 | Ordained Priest | Moritz Adolf Karl Herzog von Sachsen-Zeitz (Saský) † | Priest of Nordic Missions, Germany | Bishop of Litomĕrice, Czech Republic |
| Died | José de Sousa Castelo Branco † | Bishop of Funchal, Portugal |
| Appointed | Bernardo Serrada, O.C. † | Bishop of Cuzco, Peru |
| Appointed | Nicola Terzago † | Bishop of Narni, Italy |
| Appointed | Francesco Trevisani † | Bishop of Verona, Italy |
| 74.0 | Died | Ortensio Visconti † | Bishop of Lodi, Italy |
| Jan | | Died | Jean de Catelan † | Bishop of Valence, France |
| 1 Jan | 55.0 | Ordained Bishop | Joseph-Louis de Cahorne de La Palun † | Bishop of Vaison, France |
| 7 Jan | | Ordained Bishop | Antonio Fonseca † | Bishop of Jesi, Italy |
| 9 Jan | 59.3 | Died | Francesco Acquaviva d’Aragona † | Cardinal, Cardinal-Bishop of Sabina |
| 14 Jan | 52.4 | Ordained Bishop | Félix Bernuy Zapata y Mendoza † | Bishop of Islas Canarias {Canary Islands}, Spain |
| 16 Jan | | Born | Blas Manuel Sobrino y Minayo † | Urueña, Spain | Bishop of Trujillo, Peru |
| 27 Jan | 53.5 | Resigned | Gioacchino Maria Oldo † | Bishop of Narni, Italy | Bishop of Terracina, Priverno e Sezze, Italy |
| 29 Jan | 38.1 | Appointed | Antonio Claudio Alvarez de Quiñones † | Archbishop of Santafé en Nueva Granada, Colombia |
| 55.2 | Appointed | Bogusław Korwin Gosiewski † | Bishop of Smoleńsk, Poland |
| 71.3 | Installed | Prospero Marefoschi † | Cardinal-Priest of S. Crisogono | Cardinal, Cardinal-Priest of S. Silvestro in Capite |
| 45.5 | Appointed | Benedetto Odescalchi-Erba † | Cardinal-Priest of Ss. XII Apostoli | Cardinal, Archbishop Emeritus of Milano {Milan}, Italy |
| 57.6 | Appointed | Pietro Ottoboni † | Cardinal-Bishop of Sabina | Cardinal, Cardinal-Bishop of Ostia (-Velletri) |
| 64.3 | Installed | Agostino Pipia, O.P. † | Cardinal-Priest of S. Sisto | Cardinal, Bishop Emeritus of Osimo e Cingoli, Italy |
| 63.5 | Appointed | Jean Claude Sommier † | Titular Archbishop of Caesarea in Cappadocia |
| 65.9 | Appointed | Nicolò Gaetano Spínola † | Cardinal-Priest of Ss. Nereo ed Achilleo | Cardinal, Titular Archbishop of Thebae |
| Appointed | Jan Feliks Szaniawski † | Bishop of Chełm, Poland |
| 30 Jan | | Born | Stefano (Ildefonso) Ortiz Cortes, O.S.B. † | Napoli | Bishop of Mottola (Motula), Italy |
| 3 Feb | 32.0 | Ordained Priest | Carlo Francesco Durini † | Priest | Cardinal, Bishop of Pavia, Italy |
| 4 Feb | 55.1 | Ordained Bishop | Honoré-François Grimaldi de Monaco † | Archbishop of Besançon, France |
| 57.6 | Ordained Bishop | Pietro Ottoboni † | Cardinal-Bishop of Sabina | Cardinal, Cardinal-Bishop of Ostia (-Velletri) |
| 10 Feb | | Born | Jean-Baptiste-Marie Champion de Cicé † | Rennes | Bishop of Auxerre, France |
| 11 Feb | 63.6 | Ordained Bishop | Jean Claude Sommier † | Titular Archbishop of Caesarea in Cappadocia |
| 15 Feb | 77.2 | Retired | Francesco del Giudice † | Archbishop of Monreale, Italy | Cardinal, Archbishop Emeritus |
| 19 Feb | 54.1 | Confirmed | Manuel Coutinho † | Bishop of Funchal, Portugal | Bishop of Lamego, Portugal |
| 21 Feb | 55.1 | Appointed | Ludovico Alvares de Figueiredo † | Archbishop of São Salvador da Bahia, Brazil |
| 68.0 | Appointed | Juan Álvaro Cienfuegos Villazón, S.J. † | Archbishop of Monreale, Italy | Cardinal, Archbishop Emeritus |
| 51.2 | Appointed | José de Fialho, O. Cist. † | Bishop of Olinda, Brazil | Bishop of Guarda, Portugal |
| 52.4 | Appointed | Antônio de Guadalupe, O.F.M. † | Bishop of São Sebastião do Rio de Janeiro, Brazil | Bishop of Viseu, Portugal |
| Appointed | Eugénio Trigueiros, O.S.A. † | Coadjutor Bishop of Macau, China | Archbishop of Goa, India |
| 3 Mar | 53.7 | Appointed | Gioacchino Maria Oldo † | Auxiliary Bishop of Ostia (-Velletri), Italy | Bishop of Terracina, Priverno e Sezze, Italy |
| 53.7 | Appointed | Gioacchino Maria Oldo † | Titular Bishop of Castoria | Bishop of Terracina, Priverno e Sezze, Italy |
| 4 Mar | 24.5 | Ordained Priest | Clemens August Maria Herzog von Bayern † | Priest of Köln {Cologne}, Germany | Archbishop |
| 6 Mar | | Ordained Bishop | Alberto Gualtieri, O.F.M. † | Bishop of Nicotera, Italy |
| Born | Henry Benedict Mary Clement Stuart of York † | Rome | Cardinal, Bishop of Frascati, Italy |
| 11 Mar | 57.2 | Ordained Bishop | Edme Mongin † | Bishop of Bazas, France |
| 13 Mar | | Born | Manuel Joaquín Morón † | Almazán | Bishop of Valladolid, Spain |
| 14 Mar | 49.2 | Died | Godefroid-Maurice de Conflans † | Bishop of Le Puy-en-Velay, France |
| 17 Mar | | Born | Juan Manuel Cornel † | Cerler | Bishop of Barbastro, Spain |
| 19 Mar | 31.6 | Ordained Priest | Nicola Brescia † | Priest | Bishop of San Marco, Italy |
| 20 Mar | 61.7 | Resigned | Juan Camargo Angulo † | Bishop of Pamplona, Spain | Bishop Emeritus |
| 21 Mar | 45.3 | Appointed | Andrés Murillo Velarde † | Bishop of Pamplona, Spain |
| 43.5 | Appointed | Antonio Maria Santoro, O.M. † | Bishop | Bishop of Ravello-Scala, Italy |
| 23 Mar | | Born | Jean-Joseph-Marie de Guernes † | Chambon | Bishop Emeritus of Aleria, France |
| 25 Mar | 60.2 | Ordained Bishop | Jean François Fouquet, S.J. † | Titular Bishop of Eleutheropolis in Palaestina |
| 31 Mar | 34.2 | Appointed | François-Charles de Béringhen d'Armainvilliers † | Bishop of Le Puy-en-Velay, France |
| 6 Apr | 62.9 | Died | Johann Raymund Guidobald Reichsgraf von Lamberg, O.F.M. Cap. † | Auxiliary Bishop of Passau, Germany |
| 8 Apr | 33.3 | Ordained Bishop | Filippo Coscia † | Titular Bishop of the Titular See |
| 25.1 | Ordained Priest | Domenico Giordani † | Priest | Titular Patriarch of Antiochia {Antioch}, Syria |
| 51.9 | Ordained Bishop | Christoph Franz Reichsfreiherr von Hutten † | Bishop of Würzburg, Germany |
| 10 Apr | 53.1 | Appointed | Andrés de Orbe y Larreátegui † | Archbishop of Valencia, Spain | Archbishop Emeritus |
| 12 Apr | 57.5 | Died | Johann Joachim Hahn † | Auxiliary Bishop of Mainz, Germany |
| 16 Apr | 32.0 | Appointed | Jean-Baptiste-Antoine de Brancas † | Bishop of La Rochelle, France | Archbishop of Aix, France |
| 69.9 | Died | George Witham † | Vicar Apostolic of Northern District, England, Great Britain |
| 18 Apr | 51.9 | Confirmed | Charles du Plessis d'Argentré † | Bishop of Tulle, France |
| 22 Apr | 45.6 | Ordained Priest | Aloysius Foscari † | Priest | Patriarch of Venezia {Venice}, Italy |
| 86.8 | Died | Johann Michael Reichsgraf von Spaur und Valör † | Bishop of Trento, Italy |
| 27 Apr | 78.5 | Died | Johann Anton Reichsfreiherr von Knebel von Katzenellenbogen † | Bishop of Eichstätt, Germany |
| 29 Apr | | Born | Pasquale Sansone † | Napoli | Bishop of Ischia, Italy |
| 1 May | | Died | Pietro Barbarigo † | Patriarch of Venezia {Venice}, Italy |
| Ordained Bishop | Vincenzo Ferrero, O.P. † | Bishop of Gravina, Italy |
| 45.4 | Ordained Bishop | Andrés Murillo Velarde † | Bishop of Pamplona, Spain |
| 4 May | | Born | Carlo Esterhasi † | Presburg | Bishop of Eger, Hungary |
| 5 May | | Appointed | Marco Gradenigo † | Patriarch of Venezia {Venice}, Italy |
| 25.8 | Appointed | Philipp Ludwig von Sinzendorf † | Bishop of Győr, Hungary | Cardinal, Bishop of Wrocław, Poland |
| 12 May | | Appointed | Paolo de Villana Perlas † | Archbishop of Salerno, Italy |
| 13 May | 54.4 | Ordained Bishop | Manuel Coutinho † | Bishop of Funchal, Portugal | Bishop of Lamego, Portugal |
| 51.4 | Ordained Bishop | José de Fialho, O. Cist. † | Bishop of Olinda, Brazil | Bishop of Guarda, Portugal |
| 52.6 | Ordained Bishop | Antônio de Guadalupe, O.F.M. † | Bishop of São Sebastião do Rio de Janeiro, Brazil | Bishop of Viseu, Portugal |
| 14 May | | Born | Ange-François de Talaru de Chalmazel † | Bourbonnais | Bishop of Coutances, France |
| 22 May | | Born | Johann Heinrich von Kerens, S.J. † | Maastricht, Netherlands | Bishop of Sankt Pölten, Austria |
| 26 May | 37.4 | Ordained Bishop | Jean-Mathias de Barthélemy de Gramont de Lanta † | Bishop of Perpignan-Elne, France |
| 22.9 | Ordained Priest | Antonio Sersale † | Priest | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 29 May | | Born | Angelo Maria Durini † | Milan | Cardinal, Titular Archbishop of Ancyra |
| Born | Juan Antonio de Jesús Sacedón Sánchez, O.F.M. † | Sacedón de Alcarria, Spain | Bishop of Linares o Nueva León, Nuevo León, México |
| 2 Jun | | Born | Marco Aurelio Balbis Bertone † | Chieri | Bishop of Novara, Italy |
| 10 Jun | 52.1 | Ordained Bishop | Charles du Plessis d'Argentré † | Bishop of Tulle, France |
| 11 Jun | 38.5 | Appointed | Domenico Antonio Biretta † | Bishop of Acerra, Italy |
| 44.4 | Elevated to Cardinal | Niccolò Paolo Andrea Coscia † | Cardinal, Archbishop Emeritus of Benevento, Italy |
| 65.0 | Elevated to Cardinal | Niccolò del Giudice † | Cardinal, Cardinal-Deacon of S. Maria ad Martyres |
| 55.6 | Appointed | Bernardo Jiménez Cascante † | Bishop of Barcelona, Spain |
| 38.4 | Confirmed | Charles-Louis-Auguste Le Tonnelier de Breteuil † | Bishop of Rennes, France |
| 56.3 | Appointed | Johann Baptist Reichfreiherr von Reinach-Hirzbach † | Titular Bishop of Abdera | Coadjutor Bishop of Basel, Switzerland |
| 56.3 | Confirmed | Johann Baptist Reichfreiherr von Reinach-Hirzbach † | Coadjutor Bishop of Basel, Switzerland |
| 28.3 | Appointed | Charles-Antoine de la Roche-Aymon † | Auxiliary Bishop of Limoges, France | Cardinal, Archbishop of Reims, France |
| 28.3 | Appointed | Charles-Antoine de la Roche-Aymon † | Titular Bishop of Sarepta | Cardinal, Archbishop of Reims, France |
| 13 Jun | 53.2 | Installed | Andrés de Orbe y Larreátegui † | Archbishop of Valencia, Spain | Archbishop Emeritus |
| 17 Jun | 47.5 | Ordained Bishop | Carlos Bermudez de Castro † | Archbishop of Manila, Philippines |
| Born | Baldassare de Moncada † | Reggio di Calabria | Bishop of San Marco, Italy |
| 24 Jun | | Ordained Bishop | Nicola Stanislavich, O.F.M. † | Titular Bishop of Nicopolis ad Iaterum |
| 25 Jun | | Ordained Bishop | Vittorio Mazzocca, O.P. † | Bishop of Novigrad (Cittanova), Croatia |
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