| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Appointed | Bonaventura Blasio † | Bishop of Castellaneta, Italy |
| Appointed | Giovanni Battista Chiappe † | Bishop of Nocera Umbra, Italy |
| Died | François Louis de Clermont-Tonnerre † | Bishop of Langres, France |
| Died | Gabriel de Arregui, O.F.M. † | Bishop of Cuzco, Peru |
| Died | Luigi Maria de Dura † | Bishop of Castellaneta, Italy |
| 44.6 | Appointed | Leopold Anton Eleutherius Reichsfreiherr von Firmian † | Bishop of Seckau, Austria | Archbishop of Salzburg, Austria |
| 50.0 | Appointed | Alexander Antoni Pleszowice Fredro † | Bishop of Przemyśl, Poland |
| 18.2 | Professed | Lorenzo (Giovanni Vincenzo Antonio) Ganganelli, O.F.M. Conv. † | Member of Order of Friars Minor Conventual | Pope (Roma {Rome}, Italy) |
| 59.0 | Ordained Bishop | Juan de Las Peñas † | Titular Bishop of Calydon | Auxiliary Bishop of Cuenca, Spain |
| Born | Andrea Antonio Silverio Minucci † | | Archbishop of Fermo, Italy |
| Appointed | Antonio Pacecco † | Bishop of Bisceglie, Italy |
| 72.7 | Appointed | Fabrizio Paolucci † | Secretary of the Secretariat of State | Cardinal, Prefect of the Roman Curia - Other |
| 68.0 | Resigned | Léon Potier de Gesvres † | Archbishop of Bourges, France | Cardinal, Archbishop Emeritus |
| Born | Mateo Joaquin Rubio de Arevalo † | Quito | Bishop of Cebu, Philippines |
| Died | Pompeo Sarnelli † | Bishop of Bisceglie, Italy |
| Appointed | Cyril VI Tanas † | Patriarch of Antiochia {Antioch} (Melkite), Syria |
| 1 Jan | 42.9 | Ordained Priest | Antonio Saverio Gentili † | Priest | Cardinal, Prefect of the Congregation of the Council |
| 20 Jan | 31.8 | Professed | Luiz de Santa Teresa da Cruz Salgado de Castilho, O.C.D. † | Member of Order of Discalced Carmelites | Bishop of Olinda, Brazil |
| 22 Jan | | Died | Edmund Byrne † | Archbishop of Dublin, Ireland |
| 51.2 | Ordained Bishop | Ferdinand Oesterhoff, O. Cist. † | Titular Bishop of Agathonice | Auxiliary Bishop Emeritus of Münster, Germany |
| 29 Jan | | Born | Juan Alvarez Castro † | Mohedas de la Jara | Bishop of Coria, Spain |
| 1 Feb | | Born | Manuel Tavares Coutinho da Silva † | Couto de Esteves | Bishop of Portalegre, Portugal |
| 5 Feb | 23.5 | Appointed | Clemens August Maria Herzog von Bayern † | Bishop of Hildesheim, Germany | Archbishop of Köln {Cologne}, Germany |
| 7 Feb | 61.4 | Appointed | Georges Louis de Berghes † | Bishop of Liège, Belgium |
| 13 Feb | 28.2 | Ordained Bishop | Andrzej Stanisław Załuski † | Bishop of Płock, Poland | Bishop of Kraków, Poland |
| 14 Feb | 54.1 | Confirmed | Louis de La Vergne de Tressan † | Archbishop of Rouen, France |
| 51.0 | Appointed | Tomás Marín † | Bishop of Siracusa, Italy |
| 40.1 | Appointed | Pedro Morcillo Rubio de Suñón † | Auxiliary Bishop of Lima, Peru | Bishop of Cuzco, Peru |
| 43.7 | Appointed | Krzysztof Andrzej Jan Szembek † | Bishop of Warmia, Poland |
| 20 Feb | 45.1 | Appointed | Joseph Oswald Reichsgraf von Attems † | Bishop of Lavant, Slovenia |
| 51.0 | Ordained Bishop | Tomás Marín † | Bishop of Siracusa, Italy |
| 2 Mar | | Born | Manuel do Cenáculo Vilas Boas † | Lisboa | Archbishop of Évora, Portugal |
| 3 Mar | | Born | Felipe Antonio Solano Marín † | Castelfrío | Bishop of Cuenca, Spain |
| 7 Mar | 68.8 | Died | Michelangelo dei Conti † | Pope (Roma {Rome}, Italy) |
| 56.8 | Resigned | Giorgio Spínola † | Secretary of the Secretariat of State | Cardinal, Cardinal-Bishop of Palestrina |
| 13 Mar | | Born | Luis Velasco, O.F.M. † | Madrid, Spain | Bishop of Paraguay |
| 20 Mar | | Born | Agustín Benito Torres, O. Carm. † | Valladolid | Bishop of Albarracin, Spain |
| 23 Mar | | Born | Buenaventura Córdoba Espinosa de la Cerda † | Madrid, Spain | Cardinal, Patriarch of West Indies, Antilles |
| 25 Mar | 32.0 | Ordained Priest | Luiz de Santa Teresa da Cruz Salgado de Castilho, O.C.D. † | Priest of Order of Discalced Carmelites | Bishop of Olinda, Brazil |
| 29 Mar | 66.2 | Installed | Francisco de la Cuesta, O.S.H. † | Bishop of Michoacán, Michoacán, México |
| Apr | | Born | Marc-Antoine de Noé † | Sainte-Soulle | Bishop of Troyes, France |
| Appointed | Pierre de Pardaillan de Gondrin d'Autin † | Bishop of Langres, France |
| 17 Apr | 30.2 | Ordained Priest | Giuseppe Spinelli † | Priest | Cardinal, Cardinal-Bishop of Ostia |
| 23 Apr | 45.3 | Ordained Bishop | Joseph Oswald Reichsgraf von Attems † | Bishop of Lavant, Slovenia |
| 25 Apr | | Born | Carlo Rezzonico, Jr. † | Venice | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 5 May | 74.1 | Died | Sebastiano Antonio Tanara † | Cardinal, Titular Archbishop of Damascus |
| 12 May | 78.4 | Died | Juan Pérez Carpintero, O. Praem. † | Bishop of Comayagua, Honduras |
| 14 May | 60.4 | Died | Juan de Necolalde † | Archbishop of La Plata o Charcas, Bolivia |
| 21 May | 38.0 | Installed | Karl Joseph Reichsgraf von Kuenburg † | Bishop of Chiemsee, Germany |
| 29 May | 75.3 | Elected | Pietro Francesco (Vincenzo Maria) Orsini de Gravina, O.P. † | Pope (Roma {Rome}, Italy) |
| 30 May | 66.4 | Died | Francisco de la Cuesta, O.S.H. † | Bishop of Michoacán, Michoacán, México |
| 4 Jun | 75.3 | Installed | Pietro Francesco (Vincenzo Maria) Orsini de Gravina, O.P. † | Pope (Roma {Rome}, Italy) |
| 11 Jun | 71.3 | Died | José Casch, O.M. † | Archbishop of Palermo, Italy |
| Born | Juan Antonio de los Tueros † | Trucíos | Archbishop of Burgos, Spain |
| 12 Jun | 58.7 | Appointed | Francesco Acquaviva d’Aragona † | Cardinal, Cardinal-Bishop of Sabina |
| 47.4 | Appointed | Pietro Abbondio Battiloro † | Bishop of Guardialfiera | Bishop of Alife, Italy |
| 40.6 | Appointed | Franz Kaspar von Franken-Siersdorf † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 40.6 | Appointed | Franz Kaspar von Franken-Siersdorf † | Titular Bishop of Rhodopolis | Auxiliary Bishop of Köln {Cologne}, Germany |
| 76.5 | Appointed | Francesco del Giudice † | Cardinal-Bishop of Ostia (-Velletri) | Cardinal, Archbishop Emeritus of Monreale, Italy |
| 43.8 | Appointed | Pierre Guérin de Tencin † | Archbishop of Embrun, France | Cardinal, Archbishop of Lyon, France |
| 49.2 | Appointed | Prospero Lorenzo Lambertini † | Titular Archbishop of Teodosia | Pope (Roma {Rome}, Italy) |
| 48.6 | Appointed | Nicolò Maria Lercari † | Cardinal, Titular Archbishop of Nazianzus |
| 73.2 | Appointed | Fabrizio Paolucci † | Cardinal-Bishop of Porto e Santa Rufina | Cardinal, Prefect of the Roman Curia - Other |
| 47.9 | Appointed | Pietro Agostino Scorza (Scortia) † | Bishop of Teramo, Italy | Bishop Emeritus of Amalfi, Italy |
| 14 Jun | 15.5 | Professed | Thomas Burke (de Burgo), O.P. † | Member of Order of Friars Preachers | Bishop of Ossory, Ireland |
| 18 Jun | 48.6 | Ordained Bishop | Nicolò Maria Lercari † | Cardinal, Titular Archbishop of Nazianzus |
| 19 Jun | | Born | Carlo Giuseppe Filippa della Martiniana † | Turin | Cardinal, Bishop of Vercelli, Italy |
| 21 Jun | 62.5 | Died | José Xirón de Alvarado, O.P. † | Bishop of León en Nicaragua |
| 24 Jun | 48.0 | Ordained Bishop | Pietro Agostino Scorza (Scortia) † | Bishop of Teramo, Italy | Bishop Emeritus of Amalfi, Italy |
| 26 Jun | 60.3 | Appointed | Lucas Conejero Molina † | Archbishop of Burgos, Spain |
| 43.5 | Appointed | Niccolò Paolo Andrea Coscia † | Titular Archbishop of Traianopolis in Rhodope | Cardinal, Archbishop Emeritus of Benevento, Italy |
| 44.9 | Confirmed | Lucas Sartorius Reichsfreiherr Delmestri von Schönberg † | Bishop of Trieste, Italy |
| 31.5 | Appointed | Camillo Paolucci † | Titular Archbishop of Iconium | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 28 Jun | | Born | Johann Adam Behr † | Forchheim | Auxiliary Bishop of Bamberg, Germany |
| 2 Jul | 43.9 | Ordained Bishop | Pierre Guérin de Tencin † | Archbishop of Embrun, France | Cardinal, Archbishop of Lyon, France |
| 31.6 | Ordained Bishop | Camillo Paolucci † | Titular Archbishop of Iconium | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 9 Jul | | Born | Agustín Rubín Cevallos † | Dueñas | Bishop of Jaén, Spain |
| 16 Jul | 49.3 | Ordained Bishop | Prospero Lorenzo Lambertini † | Titular Archbishop of Teodosia | Pope (Roma {Rome}, Italy) |
| 17 Jul | | Born | Bernardino Honorati † | Iesi | Cardinal, Bishop of Senigallia, Italy |
| 21 Jul | 67.1 | Died | Antonio Folch y Cardona, O.F.M. † | Archbishop of Valencia, Spain |
| 23 Jul | 43.6 | Ordained Bishop | Niccolò Paolo Andrea Coscia † | Titular Archbishop of Traianopolis in Rhodope | Cardinal, Archbishop Emeritus of Benevento, Italy |
| 30 Jul | 40.7 | Ordained Bishop | Franz Kaspar von Franken-Siersdorf † | Titular Bishop of Rhodopolis | Auxiliary Bishop of Köln {Cologne}, Germany |
| 2 Aug | | Born | Cayetano Adsor Paredes † | Barcelona, Spain | Patriarch of West Indies, Antilles |
| 3 Aug | 24.0 | Confirmed | Clemens August Maria Herzog von Bayern † | Bishop of Hildesheim, Germany | Archbishop of Köln {Cologne}, Germany |
| 6 Aug | | Born | Lothar Breidbach zu Bürresheim, O.S.B. † | Bürresheim | Auxiliary Bishop of Fulda, Germany |
| 16 Aug | | Born | Marcantonio Colonna † | Rome | Cardinal, Titular Archbishop of Corinthus |
| 17 Aug | | Born | Cayetano Antonio Cuadrillero Mota † | Palazuelo de Vedija | Bishop of León, Spain |
| 18 Aug | 51.6 | Died | Johann Philipp Franz Reichsgraf von Schönborn † | Bishop of Würzburg, Germany |
| 27 Aug | | Born | Francisco Antonio de San Miguel Iglesia Cajiga, O.S.H. † | Santander, Spain | Bishop of Michoacán, Michoacán, México |
| 28 Aug | | Born | César Constantin François de Hoensbroeck † | Oost | Bishop of Liège, Belgium |
| Born | Agustín Lezo Palomeque † | Callao, Peru | Archbishop of Zaragoza, Spain |
| Sep | 68.9 | Died | Angelo Acerno † | Bishop of Muro Lucano, Italy |
| Appointed | Edward Murphy † | Archbishop of Dublin, Ireland |
| 2 Sep | 55.5 | Appointed | Johann Baptist Reichfreiherr von Reinach-Hirzbach † | Coadjutor Bishop of Basel, Switzerland |
| 3 Sep | 25.3 | Ordained Priest | Adam Ignacy Komorowski † | Priest | Archbishop of Gniezno, Poland |
| 11 Sep | 52.0 | Appointed | Giuseppe Accoramboni † | Titular Archbishop of Philippi | Cardinal, Bishop of Frascati, Italy |
| 39.3 | Confirmed | Gabriel-Florent de Choiseul-Beaupré † | Bishop of Mende, France |
| 38.7 | Appointed | José Hendaya Haro † | Bishop of Oviedo, Spain |
| Appointed | Karol Piotr Pancerzyński † | Bishop of Vilnius, Lithuania |
| 58.7 | Appointed | Tomás José Ruiz Montes † | Archbishop (Personal Title) of Cartagena (en España) | Bishop |
| 44.3 | Confirmed | Krzysztof Andrzej Jan Szembek † | Bishop of Warmia, Poland |
| 21 Sep | 52.0 | Ordained Bishop | Giuseppe Accoramboni † | Titular Archbishop of Philippi | Cardinal, Bishop of Frascati, Italy |
| 27 Sep | 62.1 | Confirmed | Georges Louis de Berghes † | Bishop of Liège, Belgium |
| 34.7 | Confirmed | Louis-Jacques Chapt de Rastignac † | Archbishop of Tours, France |
| 63.0 | Appointed | Melchior de Polignac † | Cardinal-Deacon of S. Maria in Portico | Cardinal, Archbishop of Auch, France |
| 54.0 | Appointed | Christophe-Louis Turpin de Crissé de Sanzay † | Bishop of Nantes, France |
| 41.0 | Appointed | Ernst Friedrich Reichsfreiherr von Twickel † | Auxiliary Bishop of Hildesheim, Germany |
| 41.0 | Appointed | Ernst Friedrich Reichsfreiherr von Twickel † | Titular Bishop of Botrys | Auxiliary Bishop of Hildesheim, Germany |
| 1 Oct | | Ordained Bishop | Jean Baptiste de Vaccon † | Bishop of Apt, France |
| 2 Oct | 51.4 | Appointed | Christoph Franz Reichsfreiherr von Hutten † | Bishop of Würzburg, Germany |
| 8 Oct | 40.8 | Ordained Bishop | Pedro Morcillo Rubio de Suñón † | Auxiliary Bishop of Lima, Peru | Bishop of Cuzco, Peru |
| 53.8 | Ordained Bishop | José Manuel de Sarricolea y Olea † | Bishop of Córdoba (Tucumán), Argentina | Bishop of Cuzco, Peru |
| 29 Oct | 38.8 | Ordained Bishop | José Hendaya Haro † | Bishop of Oviedo, Spain |
| 5 Nov | 41.1 | Ordained Bishop | Ernst Friedrich Reichsfreiherr von Twickel † | Titular Bishop of Botrys | Auxiliary Bishop of Hildesheim, Germany |
| 11 Nov | 61.9 | Resigned | Luis Belluga Moncada † | Bishop of Cartagena (en España) | Cardinal, Bishop Emeritus |
| 20 Nov | 46.9 | Appointed | Carlos Bermudez de Castro † | Archbishop of Manila, Philippines |
| 52.3 | Appointed | Félix Bernuy Zapata y Mendoza † | Bishop of Islas Canarias {Canary Islands}, Spain |
| 60.9 | Appointed | Jeronimo Herrera y Lopez † | Bishop of Nueva Segovia, Philippines |
| 50.3 | Appointed | Domenico Antonio Manfredi † | Bishop of Muro Lucano, Italy | Bishop of Boiano, Italy |
| 52.5 | Appointed | Felipe Molina y Figueroa † | Bishop of Nueva Caceres, Philippines |
| 26 Nov | | Ordained Bishop | Giovanni Battista Chiappe † | Bishop of Nocera Umbra, Italy |
| 50.3 | Ordained Bishop | Domenico Antonio Manfredi † | Bishop of Muro Lucano, Italy | Bishop of Boiano, Italy |
| 30 Nov | 63.1 | Appointed | Melchior de Polignac † | Cardinal-Priest of S. Maria in Via | Cardinal, Archbishop of Auch, France |
| 11 Dec | | Born | Louis-Joseph de Montmorency-Laval † | Bayers | Cardinal, Bishop Emeritus of Metz, France |
| 13 Dec | | Born | Peter Michael Vigil Reichsgraf von Thun und Hohenstein † | Trento | Bishop of Trento, Italy |
| 17 Dec | 30.0 | Ordained Priest | Ermest Amadeus Thomas Reichsgraf von Attems † | Priest of Salzburg, Austria | Bishop of Ljubljana, Slovenia |
| 62.3 | Ordained Priest | Georges Louis de Berghes † | Priest of Liège, Belgium | Bishop |
| Born | Ermenold Piesport, O.S.B. † | Überlahr | Auxiliary Bishop of Fulda, Germany |
| 20 Dec | 45.4 | Ordained Bishop | Lucas Sartorius Reichsfreiherr Delmestri von Schönberg † | Bishop of Trieste, Italy |
| 55.6 | Appointed | Francesco Antonio Finy † | Titular Archbishop of Damascus | Cardinal, Bishop of Tivoli, Italy |
| 50.3 | Appointed | Giovanni Antonio Guadagni, O.C.D. † | Bishop of Arezzo, Italy | Cardinal, Bishop of Porto e Santa Rufina, Italy |
| 23 Dec | 62.0 | Died | José Delgarte, O.SS.T. † | Bishop of São Luís do Maranhão, Brazil |
| 28 Dec | | Born | Christoph Franz Freiherr von Buseck † | Jagstberg | Bishop of Bamberg, Germany |
| 51.6 | Confirmed | Christoph Franz Reichsfreiherr von Hutten † | Bishop of Würzburg, Germany |
| 31 Dec | 62.3 | Ordained Bishop | Georges Louis de Berghes † | Bishop of Liège, Belgium |
| 50.3 | Ordained Bishop | Giovanni Antonio Guadagni, O.C.D. † | Bishop of Arezzo, Italy | Cardinal, Bishop of Porto e Santa Rufina, Italy |