| Date | Age | Event | Bishop | Title | Current Title | 
|---|
| unknown | 73.0 | Died | Tommaso d’Ancora (Ariconi), C.R. † | Archbishop of Trani, Italy | 
| 33.3 | Ordained Priest | Juan de Andaya y Sotomayor † | Priest | Bishop of Ciudad Rodrigo, Spain | 
| 57.0 | Resigned | Francisco Araújo, O.P. † | Bishop of Segovia, Spain | Bishop Emeritus | 
| 61.0 | Appointed | Georges Rizqallah Beseb’ely † | Auxiliary Bishop of Antiochia {Antioch} (Maronite), Lebanon | Patriarch | 
| 22.3 | Ordained Deacon | Johann Philipp Burkhard † | Deacon of Speyer, Germany | Auxiliary Bishop | 
|  | Born | Edmund Byrne † |  | Archbishop of Dublin, Ireland | 
| 61.4 | Resigned | Persio Caracci † | Bishop of Larino, Italy | Bishop Emeritus | 
| 38.0 | Died | Marco Crisio † | Archbishop of Bar (Antivari), Montenegro | 
|  | Born | François de Nettancourt d’Haussonville de Vaubecourt † |  | Bishop Emeritus of Montauban, France | 
|  | Born | Luke Fagan † |  | Archbishop of Dublin, Ireland | 
|  | Born | Andrea Galata † |  | Bishop of Shkodrë (Scutari), Albania | 
|  | Born | François Gaspard de Grammont † |  | Auxiliary Bishop of Besançon, France | 
|  | Died | Dominici de Grammatica † | Bishop of Andros, Greece | 
|  | Died | Carlo Impellizzeri † | Bishop of Mazara del Vallo, Italy | 
|  | Born | Silvester Jenks † |  | Titular Bishop of Chariopolis | 
|  | Born | Kazimierz Benedykt Leżeński, O. Cist. † |  | Auxiliary Bishop of Warmia (Ermland), Poland | 
|  | Died | Gerolamo Lomellini † | Bishop of Todi, Italy | 
| 71.0 | Resigned | Giovanni Agostino Marliani † | Bishop of Accia and Mariana, France | Bishop of Reggio Emilia, Italy | 
|  | Born | Juan Miguélez Mendaña † |  | Bishop of Tortosa, Spain | 
| 26.0 | Ordained Priest | François-Placide de Baudry de Piancourt, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Mende, France | 
| 47.0 | Ordained Priest | Celio Piccolomini † | Priest | Cardinal, Archbishop of Siena, Italy | 
|  | Born | Antonio Prado Sandoval y Rojas † |  | Titular Bishop of Thermae Basilicae | 
|  | Born | Alfonso Rozado † |  | Bishop-Elect of Badajoz, Spain | 
|  | Born | Juan Ruiz y Simón † |  | Bishop of Islas Canarias {Canary Islands}, Spain | 
| 23.9 | Ordained Priest | Ambrosio Ignacio Spínola y Guzmán † | Priest | Archbishop of Sevilla {Seville}, Spain | 
|  | Died | Felice Tamburelli † | Bishop of Sora, Italy | 
| Jan | 54.0 | Resigned | Giuseppe Ciantes, O.P. † | Bishop of Marsico Nuovo, Italy | Bishop Emeritus | 
| 2 Jan | 63.0 | Ordained Bishop | Louis Barbier de La Rivière † | Bishop of Langres, France | 
| 10 Jan | 53.0 | Died | Francisco Camps de la Carrera y Molés † | Bishop of Bosa, Italy | 
|  | Appointed | Francisco de la Rocha, O.S. † | Titular Bishop of Constantia in Arabia | 
| 34.0 | Appointed | Carlo Fabrizio Giustiniani † | Bishop of Accia and Mariana, France | 
| 37.0 | Appointed | Vincenzo Giovannelli, O.F.M. Obs. † | Bishop of Pult (Pulati), Albania | 
|  | Appointed | Jan Leszczyński † | Bishop of Chelmno (Culma, Kulm), Poland | 
| 16 Jan | 34.0 | Ordained Bishop | Carlo Fabrizio Giustiniani † | Bishop of Accia and Mariana, France | 
|  | Born | Daniel Joseph Mayern † |  | Archbishop of Praha {Prague}, Czechia | 
| 17 Jan | 60.0 | Died | Jerzy Tyszkiewicz † | Bishop of Vilnius, Lithuania | 
| 21 Jan | 42.0 | Appointed | Leopold Wilhelm von Österreich † | Bishop of Wrocław (Breslau), Poland | Bishop-Elect of Passau, Germany | 
| 22 Jan | 80.0 | Selected | Lorenzo Horta Rodríguez † | Bishop of Yucatán (Mérida), México | 
| 25 Jan | 42.0 | Ordained Bishop | Pál Hoffmann † | Bishop of Pécs, Hungary | 
| 27 Jan |  | Born | Filippo Anastasio † |  | Archbishop Emeritus of Sorrento, Italy | 
| 30 Jan | 73.0 | Died | Pierdonato Cesi (Jr.) † | Cardinal, Cardinal-Priest of San Marcello | 
| 31 Jan | 45.0 | Appointed | Ludwig Wilhelm Benzi † | Auxiliary Bishop of Eichstätt, Germany | 
| 45.0 | Appointed | Ludwig Wilhelm Benzi † | Titular Bishop of Dardanus | Auxiliary Bishop of Eichstätt, Germany | 
| 50.6 | Confirmed | François de Bosquet † | Bishop of Montpellier, France | 
| 67.0 | Appointed | Miguel Escartín Arbeza, O. Cist. † | Bishop of Lérida, Spain | Bishop of Tarazona, Spain | 
|  | Appointed | Albertus Grabowski † | Auxiliary Bishop of Poznań, Poland | 
|  | Appointed | Albertus Grabowski † | Titular Bishop of Aenos | Auxiliary Bishop of Poznań, Poland | 
|  | Confirmed | Pedro Manero, O.F.M. Obs. † | Bishop of Tarazona, Spain | 
| 72.4 | Appointed | Diego Martínez Zarzosa † | Bishop of Málaga, Spain | 
| 46.9 | Appointed | Diego de Tejada y la Guardia † | Bishop of Ciudad Rodrigo, Spain | Archbishop of Burgos, Spain | 
| 2 Feb |  | Born | Marco Antonio Attaffi † |  | Bishop of Squillace, Italy | 
| 12 Feb |  | Died | Miguel Pérez de Nueros † | Bishop of Mallorca, Spain | 
| 14 Feb | 69.1 | Died | Bernardo Florio, O.S.C. † | Archbishop of Zadar (Zara), Croatia | 
| 53.1 | Appointed | Diego Antonio Francés de Urrutigoyti y Lerma † | Bishop of Barbastro, Spain | Bishop of Tarazona, Spain | 
| 41.1 | Appointed | Pietro Martire Rusca, O.F.M. Conv. † | Bishop of Caorle, Italy | 
| 16 Feb | 66.3 | Died | Marco Gradenigo † | Patriarch of Aquileia, Italy | 
| 58.5 | Succeeded | Girolamo Gradenigo † | Patriarch of Aquileia, Italy | 
| 17 Feb | 57.1 | Died | Bernardo Atayde de Lima Perera † | Bishop of Ávila, Spain | 
| 20 Feb | 41.1 | Ordained Bishop | Pietro Martire Rusca, O.F.M. Conv. † | Bishop of Caorle, Italy | 
| 21 Feb | 63.1 | Died | Giovanni Paolo Bucciarelli (Buccerelli) † | Bishop of Narni, Italy | 
| 22 Feb |  | Appointed | Zacharie de Metz † | Coadjutor Vicar Apostolic of Batavia (Holland Mission), Netherlands | 
|  | Appointed | Zacharie de Metz † | Titular Bishop of Tralles in Asia | Coadjutor Vicar Apostolic of Batavia (Holland Mission), Netherlands | 
| 1 Mar |  | Died | Lorenzo Reynoso † | Archbishop of Brindisi, Italy | 
| 3 Mar | 39.8 | Appointed | Bandino Accarigi † | Bishop of Massa Marittima, Italy | 
| 6 Mar | 41.9 | Appointed | Antonio Bichi † | Cardinal, Bishop of Osimo, Italy | 
| 51.1 | Appointed | Andrija Bogdani † | Archbishop of Skopje, North Macedonia | Archbishop Emeritus | 
| 35.1 | Appointed | Pjetër Bogdani † | Bishop of Shkodrë (Scutari), Albania | Archbishop of Skopje, North Macedonia | 
|  | Appointed | Girolamo Cori (de Coris) † | Bishop of Nardò, Italy | Bishop of Sovana (Soana), Italy | 
| 44.1 | Appointed | Vincenzo Costaguti † | Cardinal-Deacon of Sant’Eustachio | Cardinal, Cardinal-Priest of San Callisto | 
| 44.6 | Appointed | Giancarlo de’ Medici † | Cardinal, Cardinal-Deacon of San Giorgio in Velabro | 
| 52.1 | Appointed | Giulio Gabrielli † | Cardinal-Priest of Santa Prisca | Cardinal, Cardinal-Bishop of Sabina | 
|  | Appointed | Marcantonio Oddi † | Titular Bishop of Hierapolis in Isauria | Bishop of Perugia, Italy | 
| 44.7 | Resigned | Bl. Benedetto Odescalchi † | Bishop of Novara, Italy | Pope (Roma {Rome}, Italy) | 
|  | Appointed | Giulio Maria Odescalchi, O.S.B. † | Bishop of Novara, Italy | 
| 40.8 | Appointed | Virginio Orsini, O.S.Io.Hieros. † | Cardinal-Deacon of Santa Maria in Via Lata | Cardinal, Cardinal-Bishop of Frascati | 
| 48.1 | Appointed | Pierre Parcevich † | Vicar Apostolic of Moldavia | 
| 48.1 | Appointed | Pierre Parcevich † | Titular Bishop of Marcianopolis | Vicar Apostolic of Moldavia | 
| 39.1 | Appointed | Paolo Emilio Rondinini † | Cardinal-Deacon of Santa Maria in Cosmedin | Cardinal, Bishop of Assisi, Italy | 
| 41.1 | Appointed | Georgius Vladagni † | Bishop of Lezhë {Lesh, Alessio}, Albania | 
| 12 Mar | 39.8 | Ordained Bishop | Bandino Accarigi † | Bishop of Massa Marittima, Italy | 
|  | Ordained Bishop | Girolamo Cori (de Coris) † | Bishop of Nardò, Italy | Bishop of Sovana (Soana), Italy | 
|  | Ordained Bishop | Zacharie de Metz † | Titular Bishop of Tralles in Asia | Coadjutor Vicar Apostolic of Batavia (Holland Mission), Netherlands | 
|  | Ordained Bishop | Marcantonio Oddi † | Titular Bishop of Hierapolis in Isauria | Bishop of Perugia, Italy | 
| 13 Mar | 35.9 | Ordained Priest | Bernardino León de la Rocha † | Priest | Bishop of Coria, Spain | 
| 14 Mar |  | Born | Francisco de Paula Garcés Marcilla, O.M. † |  | Bishop of Huesca, Spain | 
|  | Born | Rogerius Giacobetti † |  | Bishop of Assisi, Italy | 
| 19 Mar |  | Ordained Bishop | Giulio Maria Odescalchi, O.S.B. † | Bishop of Novara, Italy | 
| 20 Mar | 59.3 | Appointed | Giuseppe della Corgna (Cornea), O.P. † | Bishop of Orvieto, Italy | Bishop Emeritus | 
| 41.9 | Appointed | Franjo Soimirovic (Svimirovich), O.F.M. Obs. † | Archbishop of Achrida (Ochrida), Bulgaria | 
| 25 Mar | 25.6 | Ordained Priest | Bl. Estephan Douaihi † | Priest of Antiochia {Antioch} (Maronite), Lebanon | Patriarch | 
| 60.7 | Ordained Bishop | Ägidius Gelenius † | Titular Bishop of Aureliopolis in Asia | Auxiliary Bishop of Osnabrück, Germany | 
| 48.2 | Ordained Bishop | Pierre Parcevich † | Titular Bishop of Marcianopolis | Vicar Apostolic of Moldavia | 
| 26 Mar | 41.2 | Ordained Priest | Charles Montecatini † | Priest | Titular Archbishop of Chalcedon | 
| 1 Apr | 71.3 | Selected | Juan del Pozo Horta, O.P. † | Bishop of Segovia, Spain | 
| 23.0 | Ordained Priest | Fabrizio Susanna † | Priest | Bishop of Montepeloso, Italy | 
| 3 Apr | 69.2 | Confirmed | Francisco Guerra, O.F.M. † | Bishop of Plasencia, Spain | 
|  | Born | François Hyacinthe Valperga di Masino † |  | Bishop of Saint-Jean-de-Maurienne, France | 
| 43.2 | Appointed | Tomasz Wieyski (Ujejski) † | Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine | Bishop Emeritus | 
| 4 Apr | 45.4 | Died | Angelo Maria Ciria Panvini, O.S.M. † | Archbishop of Chieti, Italy | 
| 15 Apr | 27.7 | Ordained Priest | Gherardo Gherardi † | Priest | Bishop of Pistoia e Prato, Italy | 
| 23 Apr |  | Born | Giovanni Manola † |  | Bishop of Nona (Nin), Croatia | 
| 24 Apr | 71.3 | Died | Francesco Cherubini † | Cardinal, Bishop of Senigallia, Italy | 
| 42.7 | Appointed | Alderano Cibo (Cybo) † | Bishop of Jesi, Italy | Cardinal, Bishop Emeritus | 
| 54.3 | Resigned | Giacomo Corradi † | Bishop of Jesi, Italy | Cardinal, Bishop Emeritus | 
| 27 Apr | 66.3 | Died | Marc Scurra, O.F.M. † | Archbishop of Durrës (Durazzo), Albania | 
| 28 Apr | 51.3 | Died | Cyrus Straserra, C.R. † | Bishop of Ajaccio, France | 
| 30 Apr | 45.3 | Ordained Bishop | Ludwig Wilhelm Benzi † | Titular Bishop of Dardanus | Auxiliary Bishop of Eichstätt, Germany | 
| 1 May | 67.3 | Died | Domenico Cecchini † | Cardinal, Cardinal-Deacon of San Sisto | 
| 3 May |  | Born | Bisanzio Fili † |  | Bishop of Ostuni, Italy | 
| 10 May |  | Born | Gerolamo Francesco Malpasciuto † |  | Bishop of Vercelli, Italy | 
| 14 May | 24.6 | Ordained Bishop | Toussaint de Forbin de Janson † | Titular Bishop of Philadelphia in Arabia | Cardinal, Bishop of Beauvais, France | 
| 16 May | 23.2 | Ordained Priest | Pierre de Montenbach † | Priest of Lausanne, Switzerland | Bishop | 
| 18 May |  | Died | Giovanni Gerini † | Bishop of Pistoia e Prato, Italy | 
| 19 May | 43.3 | Selected | Nicolas Sévin † | Coadjutor Bishop of Cahors, France | Bishop | 
| 21 May | 31.3 | Ordained Priest | Alexander Dunbar Winchester (Winster) † | Priest | Prefect Emeritus of Scotland, Great Britain | 
| 28 May | 42.8 | Ordained Bishop | Alderano Cibo (Cybo) † | Bishop of Jesi, Italy | Cardinal, Bishop Emeritus | 
| 29 May | 61.4 | Appointed | Juan Francisco Arnaldo Isasi † | Bishop of Puerto Rico (Porto Rico) | 
| 44.6 | Appointed | Michele Beggiami (Beggiamo) † | Bishop of Mondovi, Italy | Archbishop of Torino {Turin}, Italy | 
| 59.4 | Appointed | Sebastiano Gentili † | Bishop of Terni, Italy | Bishop Emeritus | 
| 80.4 | Confirmed | Lorenzo Horta Rodríguez † | Bishop of Yucatán (Mérida), México | 
| 46.1 | Confirmed | Juan Lozano, O.S.A. † | Bishop of Mazara del Vallo, Italy | Bishop of Plasencia, Spain | 
| 48.4 | Resigned | Francesco Angelo Rapaccioli † | Bishop of Terni, Italy | Cardinal, Bishop Emeritus | 
| 5 Jun | 44.7 | Ordained Bishop | Michele Beggiami (Beggiamo) † | Bishop of Mondovi, Italy | Archbishop of Torino {Turin}, Italy | 
| 9 Jun |  | Born | Antoine Girard de La Bornat (La Bournat) † |  | Bishop of Poitiers, France | 
| 17 Jun |  | Appointed | Giovanni Battista Barducci † | Bishop of San Miniato, Italy | 
| 21 Jun |  | Born | Giacomo Falconetti, O.P. † |  | Bishop of Grosseto, Italy | 
| 23 Jun | 39.1 | Appointed | Giovanni Delfino † | Coadjutor Patriarch of Aquileia, Italy | Cardinal, Patriarch | 
| 39.1 | Appointed | Giovanni Delfino † | Titular Archbishop of Thagaste | Cardinal, Patriarch of Aquileia, Italy | 
| 24 Jun | 38.7 | Ordained Bishop | Lothar Friedrich von Metternich-Burscheid † | Bishop of Speyer, Germany | Archbishop of Mainz, Germany | 
| 25 Jun | 53.4 | Ordained Bishop | Diego Antonio Francés de Urrutigoyti y Lerma † | Bishop of Barbastro, Spain | Bishop of Tarazona, Spain | 
| 26 Jun | 57.8 | Appointed | Federico (Tommaso) Carpegna, C.R. † | Bishop of Rimini, Italy | 
|  | Appointed | Raimondo Castelli † | Bishop of Narni, Italy | 
| 47.4 | Appointed | Diego Escolano y Ledesma † | Bishop of Mallorca, Spain | Archbishop of Granada, Spain | 
| 38.4 | Appointed | Louis de Fortia-Montréal † | Coadjutor Bishop of Carpentras, France | Bishop | 
| 56.4 | Confirmed | Gaspare Litago † | Archbishop of Sassari, Italy | 
| 58.4 | Confirmed | Louis de Nogaret de La Valette † | Bishop of Carcassonne, France | 
| 62.7 | Appointed | Angelo Pineri † | Bishop of Marsico Nuovo, Italy | 
| 53.4 | Appointed | Federico Sforza † | Cardinal-Priest of Santi Silvestro e Martino ai Monti | Cardinal, Bishop of Tivoli, Italy | 
| 53.4 | Resigned | Federico Sforza † | Bishop of Rimini, Italy | Cardinal, Bishop of Tivoli, Italy | 
|  | Appointed | Giacomo Vianoli † | Titular Bishop of Famagusta | Bishop of Torcello (Turris), Italy | 
| 27 Jun |  | Died | Giovanni Mihele de Curtis, O. Carm. † | Bishop Emeritus of Syros (e Milos), Greece | 
| 29 Jun | 34.4 | Ordained Bishop | Ignace André Akhidjan † | Bishop of Alep [Beroea, Halab] (Syrian), Syria | Patriarch of Antiochia {Antioch} (Syrian), Lebanon |