| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Charles de Bannes d'Avéjan † | | Bishop of Alès (Alais), France |
| Born | Jean-Mathias de Barthélemy de Gramont de Lanta † | | Bishop of Perpignan-Elne, France |
| Appointed | Pierre-François Beauvau de Rivau † | Bishop of Sarlat, France |
| Born | Louis-Armand Chomel † | Paris | Bishop Emeritus of Orange, France |
| Appointed | Giovanni Battista Costa † | Bishop of Sagone, France |
| Appointed | François d'Argouges † | Bishop of Vannes, France |
| Appointed | Juan de los Ríos y Berriz † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 64.0 | Died | Lucas Fernández de Piedrahita † | Bishop of Panamá |
| Born | Paul-Alexandre de Guénet † | Rouen | Bishop of Saint-Pons-de-Thomières, France |
| Born | Louis-Guy de Guérapin de Vauréal † | | Bishop Emeritus of Rennes, France |
| 51.0 | Appointed | Eustachy Stanisław Kotowicz † | Bishop of Smoleńsk, Poland |
| 24.0 | Ordained Priest | Juan de Necolalde † | Priest | Archbishop of La Plata o Charcas, Bolivia |
| Born | Manuel de Ocio y Campo † | Celaya, México | Bishop of Cebu, Philippines |
| Died | Giovanni Tommaso Pinelli, C.R. † | Bishop of Albenga, Italy |
| Born | Tomás Ratto Ottonelli † | Valencia | Bishop of Córdoba, Spain |
| Born | Alejo Fernando de Rojas y Acevedo † | Lima, Peru | Bishop of La Paz, Bolivia |
| Died | António de Santa Maria † | Bishop of Miranda, Portugal |
| 6 Jan | | Born | Gaspar José Vázquez Tablada † | El Hito | Bishop of Oviedo, Spain |
| 12 Jan | 58.0 | Installed | Jan Stanisław Witwicki † | Bishop of Poznań, Poland |
| 18 Jan | 67.0 | Died | Orazio Mattei † | Cardinal, Titular Archbishop of Damascus |
| 24 Jan | 64.7 | Resigned | Bl. François de Laval de Montmorency † | Bishop of Québec, Québec, Canada | Bishop Emeritus |
| 25 Jan | 34.2 | Ordained Bishop | Jean-Baptiste de la Croix Chevrière de St. Vallier † | Bishop of Québec, Québec, Canada |
| 28 Jan | 36.1 | Appointed | Philip Michael Ellis, O.S.B. † | Vicar Apostolic of Western District, England, Great Britain | Bishop of Segni, Italy |
| 36.1 | Appointed | Philip Michael Ellis, O.S.B. † | Titular Bishop of Aureliopolis in Lydia | Bishop of Segni, Italy |
| 46.1 | Confirmed | Bonaventure Giffard † | Vicar Apostolic of Midland District, England, Great Britain | Vicar Apostolic of London District, England, Great Britain |
| 43.1 | Appointed | James Smith † | Vicar Apostolic of Northern District, England, Great Britain |
| 43.1 | Appointed | James Smith † | Titular Bishop of Callipolis | Vicar Apostolic of Northern District, England, Great Britain |
| 30 Jan | 73.1 | Appointed | John Leyburn † | Vicar Apostolic of London District, England, Great Britain | Vicar Apostolic of England, Great Britain |
| 13 Feb | | Born | Luca Melchiore Tempi † | Florence | Cardinal, Titular Archbishop of Nicomedia |
| 28 Feb | 46.2 | Appointed | Bonaventure Giffard † | Titular Bishop of Madaurus | Vicar Apostolic of London District, England, Great Britain |
| 7 Mar | | Born | Thomaz Franciszek Czapski, O. Cist. † | Marienburg | Bishop of Chelmno (Culma), Poland |
| Born | José Mezquía Díaz de Arrízola, O. de M. † | Salvatierra | Bishop of Solsona, Spain |
| 20 Mar | | Born | Giuseppe Livizzani Mulazzani † | Modena | Cardinal, Cardinal-Deacon of Ss. Vito, Modesto e Crescenzia |
| 21 Mar | 24.2 | Ordained Priest | Franz Engelbert Barbo † | Priest of Wrocław, Poland | Auxiliary Bishop |
| 25 Mar | | Born | João de Moreira, O.F.M. † | Pinheiro, Portugal | Bishop of Santiago de Cabo Verde |
| 28 Mar | 35.2 | Ordained Bishop | Matias de Figueiredo e Mello † | Bishop of Olinda, Brazil |
| 3 Apr | 31.1 | Ordained Bishop | Johannes Petrus Verhorst † | Titular Bishop of Alba | Auxiliary Bishop of Trier, Germany |
| 6 Apr | 28.3 | Ordained Priest | François-Gaspard de La Mer de Matha † | Priest | Bishop of Aire, France |
| 22 Apr | 46.3 | Ordained Bishop | Bonaventure Giffard † | Titular Bishop of Madaurus | Vicar Apostolic of London District, England, Great Britain |
| 1 May | 83.3 | Died | François de Salignac de La Mothe-Fénelon † | Bishop of Sarlat, France |
| 6 May | 36.3 | Ordained Bishop | Philip Michael Ellis, O.S.B. † | Titular Bishop of Aureliopolis in Lydia | Bishop of Segni, Italy |
| 8 May | 81.4 | Died | Alessandro Crescenzi, C.R.S. † | Cardinal, Bishop Emeritus of Recanati-Loreto, Italy |
| 9 May | 49.4 | Died | Felice Rospigliosi † | Cardinal, Cardinal-Deacon of S. Agata de’ Goti |
| 63.1 | Ordained Bishop | Johann Euchar Reichsgraf von Schenk von Castell † | Bishop of Eichstätt, Germany |
| 13 May | | Installed | Manoel da Ressurreição, O.F.M. † | Archbishop of São Salvador da Bahia, Brazil |
| 43.4 | Ordained Bishop | James Smith † | Titular Bishop of Callipolis | Vicar Apostolic of Northern District, England, Great Britain |
| 16 May | 52.8 | Ordained Bishop | Albert Ernst Reichsgraf von Wartenberg † | Titular Bishop of Laodicea ad Libanum | Auxiliary Bishop of Regensburg, Germany |
| 17 May | 32.8 | Appointed | Fulvio Astalli † | Cardinal-Deacon of S. Maria in Cosmedin | Cardinal, Bishop of Ostia (-Velletri), Italy |
| Appointed | Alessandro Avio † | Bishop of Pesaro, Italy | Bishop of San Severino, Italy |
| 40.4 | Appointed | Gasparo Cavalieri † | Cardinal-Deacon of S. Giorgio in Velabro | Cardinal, Archbishop of Capua, Italy |
| Appointed | Domenico Morelli † | Bishop of Lucera, Italy |
| 35.1 | Appointed | Benedetto Pamphilj † | Cardinal-Deacon of S. Agata de’ Goti | Cardinal, Librarian of the Vatican Library |
| 42.5 | Appointed | Augustyn Michal Stefan Radziejowski † | Cardinal, Archbishop of Gniezno, Poland |
| 62.0 | Appointed | Angelo Maria Ranuzzi † | Cardinal, Archbishop of Bologna, Italy |
| 28 May | | Born | Jaime Cortada Bru † | Barcelona | Archbishop of Tarragona, Spain |
| 66.0 | Died | Antonio Sanz Lozano † | Archbishop of Santafé en Nueva Granada, Colombia |
| 31 May | | Appointed | Giovanni Battista Visconti Aicardi, B. † | Bishop of Novara, Italy |
| 3 Jun | 66.7 | Died | Max Heinrich Herzog von Bayern † | Archbishop of Köln {Cologne}, Germany |
| 4 Jun | | Born | Alexandre Milon † | Paris | Bishop of Valence, France |
| 8 Jun | | Ordained Bishop | Giovanni Battista Visconti Aicardi, B. † | Bishop of Novara, Italy |
| 12 Jun | 24.0 | Ordained Priest | Johann Baptist Gegg † | Priest of Eichstätt, Germany | Auxiliary Bishop of Worms, Germany |
| 20 Jun | | Born | Domenico Antonio Brizi † | Borgo di San Pietro | Bishop of Marsi, Italy |
| 43.9 | Ordained Priest | Friedrich Christian von Plettenberg zu Lenhausen † | Priest of Münster, Germany | Bishop |
| 14 Jul | | Born | Diego Rivera Higuera, O. de M. † | Llerena | Bishop of Barbastro, Spain |
| 16 Jul | 78.5 | Confirmed | Johannes Karl Reichsfreiherr von Franckenstein † | Bishop of Worms, Germany |
| Born | Francesco Maria Garetto, O.F.M. † | Ferrere, Italy | Coadjutor Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
| 19 Jul | 16.6 | Appointed | Joseph Clemens von Bayern von Wittelsbach † | Archbishop of Köln {Cologne}, Germany |
| 68.7 | Appointed | Jobst Edmund Freiherr von Brabeck † | Bishop of Hildesheim, Germany |
| Died | Gabriel de La Roque-Prielé † | Bishop of Bayonne, France |
| 20 Jul | | Born | Juan Elías Gómez Terán † | Madrid | Bishop of Orihuela, Spain |
| 25 Jul | 23.4 | Ordained Priest | Franz Joseph Supersaxo † | Priest of Sion {Sitten}, Switzerland | Bishop |
| 26 Jul | 27.9 | Ordained Deacon | Wolfgang Hannibal von Schrattenbach † | Deacon of Salzburg, Austria | Cardinal, Bishop of Olomouc, Czech Republic |
| 29 Jul | 44.0 | Appointed | Friedrich Christian von Plettenberg zu Lenhausen † | Bishop of Münster, Germany |
| 3 Aug | 64.6 | Appointed | Wilhelm Jakob Rinck von Balderstein † | Coadjutor Bishop of Basel, Switzerland | Bishop |
| 7 Aug | | Born | Cayetano Gil Taboada † | San Esteban de Barcia | Archbishop of Santiago de Compostela, Spain |
| 11 Aug | | Born | Lorenzo Taranco Mujaurrieta † | Castro Urdiales | Bishop of Gerona, Spain |
| 15 Aug | | Appointed | Léon de La Lane † | Bishop of Bayonne, France |
| 17 Aug | 67.9 | Appointed | Jean Louis d'Elderen † | Bishop of Liège, Belgium |
| 3 Sep | 63.7 | Appointed | Jan Stanisław Zbaski † | Bishop of Warmia, Poland |
| 5 Sep | 78.7 | Ordained Bishop | Johannes Karl Reichsfreiherr von Franckenstein † | Bishop of Worms, Germany |
| 12 Sep | | Died | Alvise Sagredo † | Patriarch of Venezia {Venice}, Italy |
| 16 Sep | 58.7 | Appointed | Pedro de Salazar Gutiérrez de Toledo, O. de M. † | Cardinal, Bishop of Córdoba, Spain |
| 20 Sep | 16.8 | Confirmed | Joseph Clemens von Bayern von Wittelsbach † | Archbishop of Köln {Cologne}, Germany |
| 27 Sep | 39.5 | Appointed | Gianalberto Badoaro † | Patriarch of Venezia {Venice}, Italy | Cardinal, Bishop of Brescia, Italy |
| 28 Sep | 28.0 | Ordained Priest | Wolfgang Hannibal von Schrattenbach † | Priest of Salzburg, Austria | Cardinal, Bishop of Olomouc, Czech Republic |
| 11 Oct | | Appointed | Pier Marino Sormani, O.F.M. † | Bishop of Vigevano, Italy |
| 26 Oct | | Born | Ettore Molza † | Modena | Bishop of Modena, Italy |
| Nov | 24.7 | Ordained Priest | Teodor Andrzej Potocki † | Priest | Archbishop of Gniezno, Poland |
| 1 Nov | 39.7 | Ordained Priest | Fabrizio Cianci † | Priest | Bishop of Guardialfiera (Guardia), Italy |
| 14 Nov | | Born | Leandro a Pietate, O.A.D. † | Lisbonne, Portugal | Bishop of São Tomé e Príncipe |
| 15 Nov | 68.1 | Confirmed | Jean Louis d'Elderen † | Bishop of Liège, Belgium |
| 21 Nov | 59.2 | Ordained Bishop | Juan Bravo Dávila y Cartagena † | Bishop of Córdoba (Tucumán), Argentina |
| 29 Nov | 69.0 | Confirmed | Jobst Edmund Freiherr von Brabeck † | Bishop of Hildesheim, Germany |
| Born | Pedro Cáceres Casado † | Segovia | Bishop of Astorga, Spain |
| 5 Dec | | Born | Johann Friedrich Adolf Freiherr von Hörde zu Schönholthausen † | Schönholthausen | Vicar Apostolic of Nordic Missions, Germany |
| 6 Dec | 63.9 | Confirmed | Jan Stanisław Zbaski † | Bishop of Warmia, Poland |
| 20 Dec | 33.5 | Installed | Rinaldo d'Este † | Cardinal-Deacon of S. Maria della Scala | |
| 55.8 | Appointed | Pierre de Montenbach † | Bishop of Lausanne, Switzerland |
| 47.8 | Appointed | Taddeo Luigi dal Verme † | Bishop of Fano, Italy | Cardinal, Archbishop of Ferrara, Italy |
| 22 Dec | | Installed | Nicolás Delgado, O.F.M. † | Bishop of León en Nicaragua |
| 24 Dec | | Born | Pierre Louis Jacquet † | Rochefort | Auxiliary Bishop of Liège, Belgium |
| 27 Dec | 68.2 | Ordained Bishop | Jean Louis d'Elderen † | Bishop of Liège, Belgium |