| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | 47.2 | Appointed | Alessandro Albani † | Cardinal-Deacon of S. Agata de’ Goti | Cardinal, Archivist of the Vatican Secret Archives |
| Born | José Nicolau de Azevedo Coutinho Gentil † | Lisboa, Portugal | Prelate of Goiás, Brazil |
| 29.8 | Appointed | Joseph-François de Cadenet de Charleval † | Bishop of Agde, France |
| Born | Francesco Maria Cioja † | Rome | Bishop of Todi, Italy |
| Died | Hilario a Jesu Costa, O.A.D. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 36.9 | Appointed | Miguel da Anunciação † | Bishop of Coimbra, Portugal |
| Died | Biagio o Blasio De Dura † | Bishop of Potenza, Italy |
| Born | Carmine Fimiani † | Castel S.Giorgio | Bishop of Nardò, Italy |
| 35.0 | Appointed | Bernardin-Louis Foucquet † | Archbishop of Embrun, France | Archbishop Emeritus |
| Born | Maciej Grzegorz Garnysz † | | Bishop of Chelm, Poland |
| 14.6 | Professed | Johann Heinrich von Kerens, S.J. † | Member of Society of Jesus | Bishop of Sankt Pölten, Austria |
| Born | Antoine Etienne Aconcius Kover, O.M. Ven. † | Gzentgyorgy, Armenia | Titular Archbishop of Siunia |
| Appointed | Júlio Francisco de Oliveira † | Bishop of Viseu, Portugal |
| 51.1 | Died | Leandro a Pietate, O.A.D. † | Bishop of São Tomé e Príncipe |
| 59.8 | Appointed | Angelo Maria Quirini (Querini), O.S.B. † | Prefect of the Congregation of the Index | Cardinal, Bishop of Brescia, Italy |
| 69.4 | Died | Bartolomé San Martín Orive † | Bishop of Palencia, Spain |
| 43.2 | Ordained Bishop | Francisco Zarceño Martínez, O.SS.T. † | Bishop of Solsona, Spain |
| 5 Jan | 44.1 | Installed | Andrzej Stanisław Załuski † | Bishop of Chelmno (Culma), Poland | Bishop of Kraków, Poland |
| 10 Jan | 42.9 | Appointed | Charles-Antoine de la Roche-Aymon † | Archbishop of Toulouse, France | Cardinal, Archbishop of Reims, France |
| 11 Jan | 79.2 | Died | Gianantonio Davia † | Cardinal, Bishop Emeritus of Rimini, Italy |
| 12 Jan | 60.0 | Died | Thomas John Francis de Strickland de Sizorghe † | Bishop of Namur {Namen}, Belgium |
| 14 Jan | | Born | Antonio Felice Zondadari † | Siena | Cardinal, Archbishop of Siena, Italy |
| 15 Jan | | Born | Jean-Baptiste-Joseph de Lubersac † | Lubersac | Bishop Emeritus of Chartres, France |
| 22 Jan | 68.4 | Died | Giberto Borromeo † | Cardinal, Bishop of Novara, Italy |
| Feb | 28.0 | Ordained Priest | Manuel de Alday y Axpée † | Priest of Santiago de Chile | Bishop |
| 57.0 | Ordained Bishop | Francisco Antonio Bustamante Jiménez † | Bishop of Barbastro, Spain | Bishop of Plasencia, Spain |
| 6 Feb | 87.8 | Died | Lorenzo Corsini † | Pope (Roma {Rome}, Italy) |
| 13 Feb | | Appointed | Inácio de Santa Teresa, O.S.A. † | Archbishop (Personal Title) of Faro {Algarve}, Portugal | Bishop |
| 17 Feb | 69.2 | Died | Giuseppe Maria Perrimezzi, O.M. † | Bishop Emeritus of Oppido Mamertina, Italy |
| 20 Feb | 78.1 | Died | Charles-Fontaine Des Montees † | Bishop of Nevers, France |
| 21 Feb | | Born | Jean-Baptiste de Chabot † | Marigny-Brizay | Bishop Emeritus of Mende, France |
| 23 Feb | | Born | J. Damián Martínez de Galinsonga, O.F.M. † | Lorca, Murcia, Spain | Bishop of Tarazona, Spain |
| 25 Feb | 52.6 | Ordained Bishop | Onésimo Salamanca Zaldívar † | Bishop of Zamora, Spain | Archbishop of Burgos, Spain |
| 26 Feb | 69.1 | Died | Charles-François de Châteauneuf de Rochebonne † | Archbishop of Lyon, France |
| 16 Mar | 59.8 | Died | Krzysztof Andrzej Jan Szembek † | Bishop of Warmia, Poland |
| 20 Mar | 54.5 | Ordained Bishop | Jean de Lolière-Puycontat, M.E.P. † | Titular Bishop of Iuliopolis | Vicar Apostolic of Siam, Thailand |
| 3 Apr | 80.3 | Died | Thomas Dominic Williams, O.P. † | Vicar Apostolic of Northern District, England, Great Britain |
| 4 Apr | | Born | François Citadella † | Sagone | Bishop of Acci and Mariana, France |
| 6 Apr | 49.2 | Died | Jacques-Charles-Alexandre Lallemant † | Bishop of Sées, France |
| 13 Apr | | Born | Jacques-Joseph-François de Vogüé † | Aubenas | Bishop of Dijon, France |
| 17 Apr | 46.9 | Ordained Bishop | Pedro Felipe de Azúa e Iturgoyen † | Titular Bishop of Botrys | Archbishop Emeritus of Santafé en Nueva Granada, Colombia |
| 30 Apr | | Born | Charles-Eutrope de La Laurancie † | Villeneuve-la-Comtesse | Bishop of Nantes, France |
| 2 May | | Born | Manuel Ignacio González de Campillo Gómez del Valle † | Veta Grande | Bishop of Tlaxcala, Tlaxcala, México |
| 5 May | 42.3 | Appointed | Louis-François Néel de Christot † | Bishop of Sées, France |
| 22 May | 24.6 | Ordained Priest | João Cosme da Cunha (de Nossa Senhora da Porta), O.C.S.A. † | Priest of Lisboa, Portugal | Cardinal, Archbishop of Évora, Portugal |
| 41.7 | Died | Claude-Louis de La Chatre † | Bishop of Agde, France |
| Jun | | Died | Bernard O'Gara † | Archbishop of Tuam, Ireland |
| 10 Jun | | Born | Antonio Palafox Croy de Abre † | Madrid | Bishop of Cuenca, Ecuador |
| 12 Jun | 82.3 | Died | Johann Franz Reichsgraf von Schenk von Stauffenberg † | Bishop of Konstanz {Constance}, Germany |
| 14 Jun | 31.9 | Ordained Priest | Heinrich Joseph von Nitschke † | Priest of Mainz, Germany | Auxiliary Bishop of Bamberg, Germany |
| 20 Jun | | Born | Grzegorz Zachariasiewicz † | Lwów | Auxiliary Bishop of Gniezno, Poland |
| 24 Jun | 64.1 | Died | Serafino Cenci † | Cardinal, Archbishop of Benevento, Italy |
| Born | Pedro José Chávez de la Rosa † | Cádiz, Spain | Bishop Emeritus of Arequipa, Peru |
| 26 Jun | | Born | Jean-François Périer † | Grenoble | Bishop of Avignon, France |
| 7 Jul | | Born | Wilhelm Joseph Leopold Willibald Reichsfreiherr von Baden † | Mannheim | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 12 Jul | 63.8 | Succeeded | Damian Hugo Philipp Reichsgraf von Schönborn Bushein † | Bishop of Konstanz {Constance}, Germany | Cardinal, Bishop of Speyer, Germany |
| 15 Jul | | Born | Diego Santamaría Cevallos, O.F.M. † | Jaén, Spain | Bishop of Santa Marta, Colombia |
| 4 Aug | 68.4 | Died | Andrés de Orbe y Larreátegui † | Archbishop Emeritus of Valencia, Spain |
| 5 Aug | | Born | Sebastián Rodriguez de Viezna † | Albánchez de Ubeda, Spain | Titular Bishop of Sebastopolis in Thracia |
| 11 Aug | | Born | Charles-Eugène de Valperga de Maglione † | Valperga | Bishop Emeritus of Nice, France |
| 14 Aug | | Born | Barnaba (Gregorio) Chiaramonti, O.S.B. † | Cesena | Pope (Roma {Rome}, Italy) |
| 15 Aug | | Born | Joaquín Encabo de la Virgen de Sopetrán, O.A.R. † | Jarandilla, Spain | Bishop of Cebu, Philippines |
| 16 Aug | | Born | Anton Mandic † | Pozega | Bishop of Sirmio, Croatia |
| 17 Aug | 65.4 | Elected | Prospero Lorenzo Lambertini † | Pope (Roma {Rome}, Italy) |
| 18 Aug | 41.6 | Appointed | Joseph Ignaz Philipp Landgraf von Hessen-Darmstadt † | Bishop of Augsburg, Germany |
| 20 Aug | 29.2 | Died | François-Louis Pourroy de L'Auberivière † | Bishop of Québec, Québec, Canada |
| 22 Aug | 65.4 | Installed | Prospero Lorenzo Lambertini † | Pope (Roma {Rome}, Italy) |
| 27 Aug | 37.1 | Appointed | Leopold Josef Hannibal Graf Petazzi de Castel Nuovo † | Bishop of Trieste, Italy | Bishop of Ljubljana, Slovenia |
| 28 Aug | 57.4 | Died | Georg Xaver Marotti † | Bishop of Pedena, Austria |
| 29 Aug | 76.3 | Appointed | Giulio Alberoni † | Cardinal-Priest of S. Lorenzo in Lucina | Cardinal, Bishop Emeritus of Málaga, Spain |
| 46.5 | Appointed | Isidro de Arevalo † | Bishop of Nueva Caceres, Philippines |
| 50.7 | Appointed | Protacio Cabezas † | Bishop of Cebu, Philippines |
| 64.3 | Appointed | Sigismund Graf Kollonitsch † | Cardinal-Priest of S. Crisogono | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 30 Aug | | Born | Joaquim de Santa Clara Brandão (Lopes), O.S.B. † | Porto | Archbishop of Évora, Portugal |
| 31 Aug | 67.9 | Died | Antônio de Guadalupe, O.F.M. † | Bishop of Viseu, Portugal |
| 6 Sep | | Born | Stefano Bellini † | Osimo | Bishop of Recanati-Loreto, Italy |
| 10 Sep | | Born | Custodio Angel Díaz Merino, O.P. † | Iniesta, Spain | Bishop of Cartagena, Colombia |
| Born | Pedro Díaz Valdés † | Gijón | Bishop of Barcelona, Spain |
| 11 Sep | | Born | Cayetano Da Annunciação Brandão, T.O.R. † | Comarca de Estarreja | Archbishop of Braga, Portugal |
| 13 Sep | | Born | Marc-Antione Berdolet † | Rougemont | Bishop of Aachen, Germany |
| 15 Sep | 59.9 | Resigned | Giacomo Lanfredini † | Bishop of Osimo e Cingoli, Italy | Cardinal, Bishop Emeritus |
| 16 Sep | 71.4 | Appointed | Francesco Antonio Finy † | Cardinal-Priest of S. Pietro in Vincoli | Cardinal, Bishop of Tivoli, Italy |
| 68.9 | Installed | Henri-Osvald de La Tour d'Auvergne de Bouillon † | Cardinal-Priest of S. Callisto | Cardinal, Archbishop Emeritus of Vienne, France |
| 24 Sep | 53.2 | Appointed | Guillaume d'Hugues de la Motte † | Bishop of Nevers, France | Archbishop of Vienne, France |
| 24.7 | Ordained Priest | Dionys Graf von Rost † | Priest of Chur, Switzerland | Bishop |
| 26 Sep | | Born | Bernardo Serio † | Palermo | Auxiliary Bishop of Palermo, Italy |
| 27 Sep | | Born | Ferdinand Kindermann † | Království | Bishop of Litomĕrice, Czech Republic |
| 30 Sep | 37.2 | Confirmed | Leopold Josef Hannibal Graf Petazzi de Castel Nuovo † | Bishop of Trieste, Italy | Bishop of Ljubljana, Slovenia |
| 2 Oct | 69.8 | Died | José Manuel de Sarricolea y Olea † | Bishop of Cuzco, Peru |
| 6 Oct | 69.9 | Appointed | Edward Dicconson † | Vicar Apostolic of Northern District, England, Great Britain |
| 69.9 | Appointed | Edward Dicconson † | Titular Bishop of Mallus | Vicar Apostolic of Northern District, England, Great Britain |
| 12 Oct | | Born | Francisco Javier Fita y Carrión (y Lafita) † | Chunchi | Bishop of Cuenca, Ecuador |
| 14 Oct | | Born | Francesco Maria Ferreri, C.P. † | | Bishop of Nicopoli, Bulgaria |
| 17 Oct | | Born | Ferenc Szanyi † | Tornae | Bishop of Foreign Diocese |
| 20 Oct | | Born | Carlo Francesco Maria Caselli, O.S.M. † | Alessandria | Cardinal, Bishop of Parma, Italy |
| 23 Oct | 23.2 | Ordained Priest | Francesco Saverio de Zelada † | Priest | Cardinal, Archivist of the Vatican Secret Archives |
| 27 Oct | 67.4 | Died | Charles du Plessis d'Argentré † | Bishop of Tulle, France |
| Nov | 41.5 | Ordained Bishop | José de Peralta Barrionuevo y Rocha Benavídez, O.P. † | Bishop of Buenos Aires, Argentina | Bishop of La Paz, Bolivia |
| 1 Nov | | Born | Martin Gorgey † | Pech Ujfalu | Auxiliary Bishop of Esztergom, Hungary |
| 4 Nov | | Born | Charles-François Bailly de Messein † | Varennes | Coadjutor Bishop of Québec, Québec, Canada |
| 6 Nov | | Born | Joseph Christian Franz de Paula Prinz zu Hohenlohe-Waldenburg-Bartenstein † | Bartenstein | Bishop of Wrocław, Poland |
| 8 Nov | | Born | Joseph Graf von Stubenberg † | Graz | Archbishop of Bamberg, Germany |
| 11 Nov | 58.9 | Appointed | José Antonio Gutiérrez y Ceballos † | Archbishop of Lima, Peru |
| 60.2 | Appointed | Pierre Guérin de Tencin † | Cardinal, Archbishop of Lyon, France |
| 50.9 | Appointed | José Ignacio Mijares Solórzano y Tobar † | Bishop of Santa Marta, Colombia |
| Born | Jean-Auguste de Chastenet de Puységur † | Rabastens | Archbishop Emeritus of Bourges, France |
| 43.7 | Confirmed | Charles-Antoine de la Roche-Aymon † | Archbishop of Toulouse, France | Cardinal, Archbishop of Reims, France |
| 14 Nov | | Born | Alberto Maria Giuseppe Andrea Luigi Solinas † | Bannari | Bishop of Galtelli-Nuoro, Italy |
| 19 Nov | | Born | Josef-Franz (Joseph François Xavier) de Preux † | Siders | Bishop of Sion {Sitten}, Switzerland |
| 22 Nov | 30.7 | Ordained Bishop | Joseph-François de Cadenet de Charleval † | Bishop of Agde, France |
| 23 Nov | 43.8 | Appointed | Bonifatius (Giovanni Giuseppe) Cecotti, O.F.M. † | Bishop of Pedena, Austria |
| 26 Nov | | Born | José Pérez Calama † | Alberca, Spain | Bishop of Quito, Ecuador |
| 27 Nov | 36.8 | Ordained Bishop | Jean-Joseph de Fogasses d'Entrechaux de La Bastie † | Bishop of Saint-Malo, France |
| 30 Nov | 32.0 | Ordained Deacon | Giorgio Doria † | Deacon | Cardinal, Titular Archbishop of Chalcedon |
| 32.9 | Appointed | Henri-Marie du Breuil de Pontbriand † | Bishop of Québec, Québec, Canada |
| Born | Andrzej Antoni Ignacy Gawronski † | Lubienie | Bishop of Kraków, Poland |
| Dec | 64.4 | Appointed | Giovanni Andrea Tria † | Titular Archbishop of Tyrus | Bishop Emeritus of Larino, Italy |
| 64.4 | Resigned | Giovanni Andrea Tria † | Bishop of Larino, Italy | Bishop Emeritus |
| 4 Dec | 32.0 | Ordained Priest | Giorgio Doria † | Priest | Cardinal, Titular Archbishop of Chalcedon |
| 5 Dec | 32.0 | Appointed | Giorgio Doria † | Cardinal, Titular Archbishop of Chalcedon |
| 8 Dec | 32.0 | Ordained Bishop | Giorgio Doria † | Cardinal, Titular Archbishop of Chalcedon |
| 12 Dec | 64.4 | Appointed | Diego Fermín de Vergara, O.S.A. † | Archbishop of Santafé en Nueva Granada, Colombia |
| 17 Dec | 24.4 | Ordained Priest | Emmanuel Ernst Reichsgraf von Waldstein † | Priest of Praha {Prague}, Czech Republic | Bishop of Litomĕrice, Czech Republic |
| 18 Dec | 43.0 | Ordained Bishop | Louis-François Néel de Christot † | Bishop of Sées, France |
| 19 Dec | 46.0 | Appointed | João da Cruz Salgado de Castilho, O.C.D. † | Bishop of São Sebastião do Rio de Janeiro, Brazil | Bishop of Miranda, Portugal |
| 47.8 | Appointed | Hilário de Santa Rosa, O.F.M. † | Bishop of Macau, China | Bishop Emeritus |
| Appointed | Eugénio Trigueiros, O.S.A. † | Archbishop of Goa, India |
| 22 Dec | 33.1 | Resigned | Johann Franz Anton Reichsgraf von Khevenhüller † | Bishop of Wiener Neustadt, Austria | Bishop Emeritus |
| Born | Claude Le Coz † | Plonévez-Porzay | Archbishop of Besançon, France |
| 25 Dec | 94.0 | Died | Jean Soanen † | Bishop Emeritus of Senez, France | Bishop |
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