| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | | Died | Miguel Álvarez de Toledo † | Bishop of Santa Cruz de la Sierra, Bolivia |
| Appointed | Ettore Algaria † | Bishop of Patti, Italy |
| Appointed | Michele Bologna † | Archbishop of Amalfi, Italy |
| Died | Simplicio Caravita † | Archbishop of Amalfi, Italy |
| Died | Gregorio Carducci † | Bishop of Valva, Italy |
| 12.8 | Professed | Thomaz Franciszek Czapski, O. Cist. † | Member of Order of Cistercians | Bishop of Chelmno (Culma), Poland |
| 42.6 | Appointed | Claude-Maur d'Aubigné † | Bishop of Noyon, France | Archbishop of Rouen, France |
| Born | Miguel Lino de Ezpeleta † | Manila | Bishop of Cebu, Philippines |
| Died | Carlo Loffredo † | Archbishop of Capua, Italy |
| 49.0 | Appointed | Kazimierz Łubieński † | Auxiliary Bishop of Kraków, Poland | Bishop |
| 49.0 | Appointed | Kazimierz Łubieński † | Titular Bishop of Heraclea | Bishop of Kraków, Poland |
| Appointed | Bonaventura Martinelli † | Bishop of Sulmona, Italy |
| Born | Manuel de Matos, O.F.M. † | Sevilla, Spain | Bishop of Nueva Caceres, Philippines |
| Born | John O’Brien † | Kildorrery | Bishop of Ross, Ireland |
| 52.0 | Appointed | Patrick O'Donnelly † | Bishop of Dromore, Ireland | Bishop Emeritus |
| Appointed | António Pereira da Silva † | Bishop of Elvas, Portugal | Bishop of Faro {Algarve}, Portugal |
| Appointed | Matteo Gennaro Sibilia † | President of the Pontifical Ecclesiastical Academy | Bishop of San Marco, Italy |
| Born | Romualdo Velarde Cienfuegos † | Proaza | Bishop of Avila, Spain |
| 2 Jan | 52.3 | Ordained Bishop | Louis Champion de Cicé † | Titular Bishop of the unknown of Titular See | Vicar Apostolic of Siam, Thailand |
| 43.0 | Ordained Bishop | Angel de Maldonado, O. Cist. † | Bishop of Antequera, Oaxaca, México |
| 3 Jan | 37.2 | Appointed | Lorenzo Armengual del Pino de la Mota † | Auxiliary Bishop of Zaragoza, Spain | Bishop of Cádiz, Spain |
| 37.2 | Appointed | Lorenzo Armengual del Pino de la Mota † | Titular Bishop of Dionysias | Bishop of Cádiz, Spain |
| 48.6 | Appointed | Johann Philipp Reichsgraf von Lamberg † | Cardinal-Priest of S. Silvestro in Capite | Cardinal, Bishop of Passau, Germany |
| 49.6 | Appointed | Louis-Antoine de Noailles † | Cardinal-Priest of S. Maria sopra Minerva | Cardinal, Archbishop of Paris, France |
| 55.0 | Appointed | Juan Pérez Carpintero, O. Praem. † | Bishop of Comayagua, Honduras |
| 50.0 | Appointed | Vitus Seipel † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 50.0 | Appointed | Vitus Seipel † | Titular Bishop of Hierapolis in Isauria | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 10 Jan | 62.9 | Died | Johann Ignaz Dlouhovesky † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| Born | Enrichetto Virginio (Raffale Francesco) Natta, O.P. † | Casale Monferrato | Cardinal, Bishop of Alba (Pompea), Italy |
| 12 Jan | | Born | Pedro Martínez de Oneca † | Gallipienzo, Spain | Bishop of Puerto Rico (Porto Rico) |
| 24 Jan | 34.3 | Appointed | Christian August von Sachsen-Zeitz † | Coadjutor Archbishop of Esztergom, Hungary | Cardinal, Archbishop |
| 27 Jan | | Born | Johann Nikolaus (Febronius) von Hontheim † | Trier | Auxiliary Bishop of Trier, Germany |
| 10 Feb | 56.6 | Died | Savo (Savio) Millini (Mellini) † | Cardinal, Bishop of Nepi e Sutri, Italy |
| 15 Feb | 72.1 | Died | François de Clermont-Tonnerre † | Bishop of Noyon, France |
| 21 Feb | 68.0 | Appointed | Marcello Durazzo † | Cardinal-Priest of S. Pietro in Vincoli | Cardinal, Bishop of Faenza, Italy |
| 26 Feb | | Died | Carlo Felice de Matta † | Bishop of San Severo, Italy |
| 28 Feb | 26.7 | Appointed | Armand-Gaston-Maximilien de Rohan de Soubise † | Coadjutor Bishop of Strasbourg, France | Cardinal, Bishop |
| 6 Mar | 37.3 | Ordained Bishop | Lorenzo Armengual del Pino de la Mota † | Titular Bishop of Dionysias | Bishop of Cádiz, Spain |
| 49.2 | Ordained Bishop | Kazimierz Łubieński † | Titular Bishop of Heraclea | Bishop of Kraków, Poland |
| 12 Mar | 23.0 | Ordained Priest | Zdenko Georg Chrzepíczky von Modliskovic † | Priest of Praha {Prague}, Czech Republic | Auxiliary Bishop |
| Born | Francisco Javier Pérez Baroja y Muro † | Artol | Bishop of Teruel, Spain |
| 39.3 | Appointed | Giovanni Matteo Vitelloni † | Bishop of Catanzaro, Italy |
| 14 Mar | 49.9 | Installed | Giuseppe Archinto † | Cardinal-Priest of S. Prisca | Cardinal, Archbishop of Milano {Milan}, Italy |
| Appointed | Giuseppe Cianti † | Bishop of Nepi e Sutri, Italy |
| 42.7 | Appointed | Lamberto Manuel López † | Bishop of Teruel, Spain |
| 49.9 | Resigned | Fabrizio Paolucci † | Bishop of Ferrara, Italy | Cardinal, Prefect of the Roman Curia - Other |
| 39.6 | Appointed | Ottavio Picenardi (Piccinardi) † | Bishop of Reggio Emilia, Italy |
| 15 Mar | | Born | Antonio Alcalde y Barriga, O.P. † | Zigales, Spain | Bishop of Guadalajara, Jalisco, México |
| 3 Apr | 30.7 | Ordained Bishop | Peter Cornelius Beyweg † | Titular Bishop of Methone | Auxiliary Bishop of Speyer, Germany |
| 18 Apr | 59.3 | Appointed | João Franco de Oliveira † | Archbishop (Personal Title) of Miranda, Portugal | Bishop |
| 26.8 | Appointed | Armand-Gaston-Maximilien de Rohan de Soubise † | Titular Bishop of Tiberias | Cardinal, Bishop of Strasbourg, France |
| 26.8 | Confirmed | Armand-Gaston-Maximilien de Rohan de Soubise † | Coadjutor Bishop of Strasbourg, France | Cardinal, Bishop |
| 2 May | | Born | Francisco José Catalán Ocón † | Torrox | Bishop of Urgell, Spain |
| 9 May | 39.0 | Appointed | Johann Raymund Guidobald Reichsgraf von Lamberg, O.F.M. Cap. † | Auxiliary Bishop of Passau, Germany |
| 39.0 | Appointed | Johann Raymund Guidobald Reichsgraf von Lamberg, O.F.M. Cap. † | Titular Bishop of Aulon | Auxiliary Bishop of Passau, Germany |
| 17 May | | Born | Manuel Machado y Luna † | Cáceres, Spain | Bishop of Caracas, Santiago de Venezuela |
| 20 May | 60.1 | Died | Adrian von Riedmatten (Jr.) † | Bishop of Sion {Sitten}, Switzerland |
| 24 May | | Born | Johann Philipp Reichsgraf von Waldendorff † | Molsberg | Archbishop of Trier, Germany |
| Jun | 30.5 | Ordained Priest | Edward Dicconson † | Priest | Vicar Apostolic of Northern District, England, Great Britain |
| 2 Jun | 36.3 | Appointed | Franz Joseph Supersaxo † | Bishop of Sion {Sitten}, Switzerland |
| 4 Jun | | Born | Girolamo Lorenzi (de Laurentiis) † | Napoli | Bishop of Acerno, Italy |
| 22 Jun | 84.5 | Died | François de Batailler † | Bishop of Bethléem, France |
| 26 Jun | 27.0 | Ordained Bishop | Armand-Gaston-Maximilien de Rohan de Soubise † | Titular Bishop of Tiberias | Cardinal, Bishop of Strasbourg, France |
| 2 Jul | 37.8 | Appointed | Franz Anton Fürst von Harrach zu Rorau † | Coadjutor Bishop of Wien, Austria | Archbishop of Salzburg, Austria |
| 16 Jul | 25.5 | Ordained Priest | João de Faro, O.F.M. † | Priest of Order of Friars Minor | Bishop of Santiago de Cabo Verde |
| Born | Frédéric-Jérôme de La Rochefoucauld † | Versailles | Cardinal, Archbishop of Bourges, France |
| 17 Jul | 43.1 | Ordained Bishop | Lamberto Manuel López † | Bishop of Teruel, Spain |
| 18 Jul | 41.5 | Appointed | Jan Kazimierz de Alten Bokum † | Bishop of Przemyśl, Poland | Bishop of Chelmno (Culma), Poland |
| 57.4 | Resigned | Sigmund Christoph Reichsgraf von Herberstein † | Bishop of Ljubljana, Slovenia | Bishop Emeritus |
| 50.5 | Appointed | Franz Ferdinand Reichsgraf von Kuenburg † | Bishop of Ljubljana, Slovenia | Archbishop of Praha {Prague}, Czech Republic |
| 42.3 | Appointed | Francisco Antonio de Borja-Centelles y Ponce de Léon † | Bishop of Calahorra y La Calzada, Spain | Cardinal, Archbishop of Burgos, Spain |
| 24 Jul | 43.1 | Ordained Bishop | Claude-Maur d'Aubigné † | Bishop of Noyon, France | Archbishop of Rouen, France |
| 31 Jul | 42.3 | Ordained Bishop | Francisco Antonio de Borja-Centelles y Ponce de Léon † | Bishop of Calahorra y La Calzada, Spain | Cardinal, Archbishop of Burgos, Spain |
| 8 Aug | 71.6 | Appointed | Juan Leyva † | Bishop of Almería, Spain |
| 58.4 | Appointed | Sebastião Monteiro da Vida, S.J. † | Archbishop of São Salvador da Bahia, Brazil |
| 63.6 | Appointed | Francisco de São Jerõnimo de Andrade, C.S.J. † | Bishop of São Sebastião do Rio de Janeiro, Brazil |
| 18 Aug | 44.6 | Appointed | Francisco Solís Hervás, O. de M. † | Bishop of Lérida, Spain | Bishop of Córdoba, Spain |
| 21 Aug | | Born | Juan José García Alvaro † | Budia | Bishop of Coria, Spain |
| 23 Aug | | Born | Franz Karl Eusebius Graf von Waldburg-Friedberg und Trauchburg † | Dürmentingen | Bishop of Chiemsee, Germany |
| 24 Aug | 41.6 | Ordained Bishop | Jan Kazimierz de Alten Bokum † | Bishop of Przemyśl, Poland | Bishop of Chelmno (Culma), Poland |
| 18 Sep | 65.6 | Died | Gottfried Freiherr Kapaun von Swoykow † | Bishop of Hradec Králové, Czech Republic |
| Died | Pierre Le Neboux de La Brousse † | Bishop of Saint-Pol-de-Léon, France |
| 30 Sep | | Born | Enrique Enríquez † | Campi, Italy | Cardinal, Official of the Secretariat of State |
| 3 Oct | 58.8 | Appointed | José de la Torre Orumbela † | Bishop of Orihuela, Spain |
| 4 Oct | | Born | Francesco Felice Alberti d’Enno † | Trento | Bishop of Trento, Italy |
| 16 Oct | 71.8 | Ordained Bishop | Juan Leyva † | Bishop of Almería, Spain |
| 25 Oct | | Born | Pedro Antonio de Barroeta Angel † | Escaray | Archbishop of Granada, Spain |
| 26 Oct | | Born | Francisco Galindo Sanz, O.M. † | Villar de los Navarros | Bishop of Orense, Spain |
| 31 Oct | | Appointed | Jean-Louis Cotyon de La Bourdonnaye † | Bishop of Saint-Pol-de-Léon, France |
| 14 Nov | | Died | Séraphin de Pajot de Plouy † | Bishop of Die, France |
| 15 Nov | | Born | Leopold Heinrich Wilhelm von Schorror † | Bonn | Vicar Apostolic Emeritus of Upper and Lower Saxony (Hanover), Germany |
| 21 Nov | 38.1 | Appointed | Franz Anton Fürst von Harrach zu Rorau † | Titular Bishop of Epiphania in Cilicia | Archbishop of Salzburg, Austria |
| 38.1 | Confirmed | Franz Anton Fürst von Harrach zu Rorau † | Coadjutor Bishop of Wien, Austria | Archbishop of Salzburg, Austria |
| 59.9 | Appointed | Diego Morcillo Rubio de Suñón de Robledo, O.SS.T. † | Bishop of León en Nicaragua | Archbishop of Lima, Peru |
| 50.9 | Appointed | Blas Serrate † | Bishop of Tarazona, Spain |
| 24 Nov | 52.4 | Appointed | Tobias Johannes Becker † | Bishop of Hradec Králové, Czech Republic |
| 3 Dec | 59.0 | Died | Jaime de Palafox y Cardona † | Archbishop of Sevilla {Seville}, Spain |
| 5 Dec | 53.0 | Appointed | Giuseppe Vallemani † | Titular Archbishop of Atene | Cardinal, Cardinal-Priest of S. Maria degli Angeli |
| 36.2 | Appointed | Antonfelice Zondadari † | Cardinal, Titular Archbishop of Damascus |
| 21 Dec | 59.0 | Ordained Bishop | José de la Torre Orumbela † | Bishop of Orihuela, Spain |
| 58.8 | Ordained Bishop | Sebastião Monteiro da Vida, S.J. † | Archbishop of São Salvador da Bahia, Brazil |
| 45.0 | Ordained Bishop | Francisco Solís Hervás, O. de M. † | Bishop of Lérida, Spain | Bishop of Córdoba, Spain |
| 27 Dec | 64.0 | Ordained Bishop | Francisco de São Jerõnimo de Andrade, C.S.J. † | Bishop of São Sebastião do Rio de Janeiro, Brazil |
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