| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | 32.0 | Appointed | Charles-Prudent de Becdelièvre † | Bishop of Nimes, France |
| 54.0 | Appointed | Jean-Baptiste de Champflour † | Bishop of Mirepoix, France |
| Died | Giambattista Curli † | Bishop of Nebbio, France |
| Appointed | Antoni Sebastian Dembowski † | Bishop of Płock, Poland |
| Born | Pietro De Felice † | | Bishop of Sessa Aurunca, Italy |
| Died | Diego (Didaco) Di Pace † | Bishop of Sarno, Italy |
| 34.9 | Appointed | Louis-Albert Joly de Choin † | Bishop of Toulon, France |
| 45.8 | Appointed | Francesco Lanfreschi † | Bishop of Gaeta, Italy | Archbishop Emeritus of Acerenza e Matera, Italy |
| 85.0 | Died | Denis Moriarty † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
| Born | James Louis O'Donel, O.F.M. † | Knocklofty, Ireland | Vicar Apostolic Emeritus of Newfoundland, Canada |
| Appointed | Giovanni Rossi † | Archbishop of Acerenza e Matera, Italy |
| Appointed | Józef Julian Sapieha † | Coadjutor Bishop of Vilnius, Lithuania |
| Appointed | Józef Julian Sapieha † | Titular Bishop of Diocaesarea in Isauria | Coadjutor Bishop of Vilnius, Lithuania |
| 79.0 | Died | João de Sousa Carvalho † | Bishop of Miranda, Portugal |
| Died | Filippo Valignani, O.P. † | Archbishop of Chieti, Italy |
| 44.0 | Appointed | Guillaume-Samuel de Verthamon de Chavagnac † | Bishop of Luçon, France |
| 3 Jan | | Born | Kasimir Johann Baptist von Häffelin † | Minfeld | Cardinal, Titular Bishop of Chersonesus in Creta |
| 4 Jan | | Born | Filippo Scarola † | Napoli | Titular Bishop of Helenopolis in Bithynia |
| 5 Jan | 86.0 | Died | Cyprien-Gabriel Bénard de Résay † | Bishop of Angoulême, France |
| 6 Jan | | Died | Francesco M. Carafa † | Bishop of Nola, Italy |
| 15 Jan | 85.7 | Died | Giuseppe Renato Imperiali † | Cardinal, Cardinal-Priest of S. Lorenzo in Lucina |
| Born | Baltazar Jaime Martínez de Compañón † | Cabredo, Spain | Archbishop of Santafé en Nueva Granada, Colombia |
| 17 Jan | | Died | Carlo Cornaccioli, O. Carm. † | Bishop of Bobbio, Italy |
| 24 Jan | 73.8 | Died | Alexander Sigmund Pfalzgraf am Rhein zu Neuburg † | Bishop of Augsburg, Germany |
| 78.9 | Succeeded | Johann Franz Reichsgraf von Schenk von Stauffenberg † | Bishop of Augsburg, Germany | Bishop of Konstanz {Constance}, Germany |
| 27 Jan | 48.1 | Ordained Priest | Pierre Louis Jacquet † | Priest of Liège, Belgium | Auxiliary Bishop |
| 9 Feb | | Died | Alfonso Mariconda, O.S.B. † | Archbishop of Acerenza e Matera, Italy |
| 11 Feb | 37.2 | Confirmed | Bonaventure Bauyn † | Bishop of Uzés, France |
| 76.3 | Appointed | Gianantonio Davia † | Cardinal-Priest of S. Lorenzo in Lucina | Cardinal, Bishop Emeritus of Rimini, Italy |
| 48.1 | Appointed | Pierre Louis Jacquet † | Auxiliary Bishop of Liège, Belgium |
| 48.1 | Appointed | Pierre Louis Jacquet † | Titular Bishop of Hippos | Auxiliary Bishop of Liège, Belgium |
| 74.2 | Appointed | Vincenzo Petra † | Cardinal-Priest of S. Pietro in Vincoli | Cardinal, Cardinal-Bishop of Palestrina |
| 26 Feb | 72.6 | Died | Bartolomeo Pucci † | Bishop of Pescia, Italy |
| 27 Feb | | Born | Fabien-Sébastien Imberties † | Cahors | Bishop of Autun, France |
| 2 Mar | | Born | Lorenzo Prospero Bottini † | Lucca | Cardinal, Priest of the Roman Curia - Other |
| 10 Mar | | Born | Vittorio Maria Baldassare Gaetano Costa d'Arignano † | Turin | Cardinal, Archbishop of Torino {Turin}, Italy |
| 18 Mar | | Born | Adalbert Freiherr (Wilhelm Adolph Heinrich) von Harstall, O.S.B. † | Treffurt | Bishop of Fulda, Germany |
| 76.0 | Died | Curzio Origo † | Cardinal, Cardinal-Priest of S. Eustachio |
| 19 Mar | 79.6 | Died | Johann Konrad Reichsfreiherr von Reinach-Hirzbach † | Bishop of Basel, Switzerland |
| 20 Mar | 56.1 | Appointed | Antonio Saverio Gentili † | Cardinal, Prefect of the Congregation of the Council |
| 24 Mar | 37.3 | Ordained Bishop | Bonaventure Bauyn † | Bishop of Uzés, France |
| 25 Mar | 23.9 | Ordained Priest | Edmond Bennetat, M.E.P. † | Priest of La Société des Missions Etrangères | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 29 Mar | 67.9 | Died | Álvaro Pires de Castro Noronha † | Bishop of Portalegre, Portugal |
| 31 Mar | | Ordained Bishop | Józef Eustachy Szembek † | Bishop of Chelm, Poland | Bishop of Płock, Poland |
| 4 Apr | | Born | József Király † | Komaran | Bishop of Pécs, Hungary |
| 8 Apr | | Succeeded | Hilario a Jesu Costa, O.A.D. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 13 Apr | 66.7 | Died | Santiago Pinaque, O. Carm. † | Bishop of Gaeta, Italy |
| 14 Apr | 31.1 | Ordained Priest | Franz Konrad Kasimir Ignaz von Rodt † | Priest of Konstanz {Constance}, Germany | Cardinal, Bishop |
| 28 Apr | 41.3 | Ordained Bishop | Valerian Rist, O.F.M. † | Titular Bishop of Myndus | Coadjutor Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 1 May | 34.0 | Ordained Priest | Juan Portugal de la Puebla † | Priest | Patriarch of Constantinople, Turkey |
| 3 May | | Born | Juan Félix de Villegas † | Cóbreces, Spain | Archbishop of Guatemala |
| 4 May | | Died | Cornelius O'Keeffe † | Bishop of Limerick, Ireland |
| 6 May | 52.0 | Appointed | Neri Maria Corsini † | Cardinal-Deacon of S. Eustachio | Cardinal, Prefect of the Apostolic Signatura |
| 31.8 | Appointed | Antonio Maria Franci † | Bishop of Grosseto, Italy |
| Appointed | Michele Palma † | Archbishop of Chieti, Italy |
| 69.5 | Appointed | Gaetano Stampa † | Cardinal, Archbishop of Milano {Milan}, Italy |
| 7 May | 44.3 | Appointed | Giuseppe Ludovico Andujar, O.P. † | Bishop of Bobbio, Italy | Bishop of Tortona, Italy |
| 8 May | | Born | Joseph Ernest Gandolph Graf von Kuenburg † | Graz | Bishop of Lavant, Slovenia |
| 10 May | | Born | Franz Egon Freiherr von Fürstenberg † | Herdringen | Bishop of Hildesheim, Germany |
| 15 May | | Born | Giuseppe Mammeli † | Sassari | Bishop of Alghero, Italy |
| 16 May | | Born | Thomas Johann Kaspar Reichsgraf von Thun und Hohenstein † | Trento | Bishop of Passau, Germany |
| 18 May | 56.4 | Appointed | James O'Gallagher † | Bishop of Kildare and Leighlin, Ireland |
| 23 May | 59.9 | Died | Juan José de Escalona y Calatayud † | Bishop of Michoacán, Michoacán, México |
| Born | Alexandre da Sagrada Familia Ferreira da Silva, O.F.M. † | Horta | Bishop of Angra, Portugal |
| 2 Jun | 40.6 | Ordained Bishop | Louis-Marie de Suarès d'Aulan † | Bishop of Acqs (Dax), France | Bishop Emeritus |
| 4 Jun | 53.8 | Appointed | Jakob Sigismund von Reinach-Steinbrunn † | Bishop of Basel, Switzerland |
| 7 Jun | 62.9 | Confirmed | Johann Anton Reichsfreiherr von Freyberg-Hopferau † | Bishop of Eichstätt, Germany |
| 9 Jun | | Ordained Bishop | Antoni Sebastian Dembowski † | Bishop of Płock, Poland |
| 23 Jun | 54.3 | Appointed | Tomás Montaño y Aarón † | Bishop of Antequera, Oaxaca, México |
| Jul | 62.5 | Died | Diego González Toro y Villalobos † | Bishop of Cuenca, Spain |
| 6 Jul | | Born | August Franz von Strauß † | Mainz | Auxiliary Bishop of Mainz, Germany |
| 7 Jul | | Ordained Bishop | Mikolaj Ignacy Wyżycki † | Archbishop of Lviv, Ukraine |
| 8 Jul | | Appointed | Luca Antonio dell Gatta † | Bishop of Melfi-Rapolla, Italy |
| 19 Jul | 64.5 | Died | Benito Crespo y Monroy, O.S. † | Bishop of Tlaxcala, Tlaxcala, México |
| 21 Jul | | Born | Jean Dominique Altei † | Zadar | Bishop of Scardona |
| 49.6 | Died | Manuel de Ocio y Campo † | Bishop of Cebu, Philippines |
| 24 Jul | | Died | Charles-Joseph Quiqueran de Beaujeu † | Bishop of Mirepoix, France |
| 26 Jul | 80.2 | Died | Henri-Pons de Thiard de Bissy † | Cardinal, Bishop of Meaux, France |
| 27 Jul | | Born | Domingo a Rosario, O.P. † | Lisbonne, Portugal | Bishop of São Tomé e Príncipe |
| 2 Aug | 77.6 | Died | Hugh MacMahon (McMahon) † | Archbishop of Armagh, Ireland |
| 8 Aug | 73.6 | Died | Thomas Bottaro a Sextris, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 24 Aug | | Born | Barthélemy-Louis-Martin de Chaumont de La Galaisière † | Paris | Bishop of Saint-Dié, France |
| 27 Aug | 78.7 | Died | Simeón Guinda Apéztegui, O.S.A. † | Bishop of Urgell, Spain |
| 30 Aug | | Appointed | Robert Lacy † | Bishop of Limerick, Ireland |
| 31 Aug | 38.7 | Appointed | Antoine-René de La Roche de Fontenille † | Bishop of Meaux, France |
| 1 Sep | | Ordained Bishop | Józef Julian Sapieha † | Titular Bishop of Diocaesarea in Isauria | Coadjutor Bishop of Vilnius, Lithuania |
| 8 Sep | 63.1 | Ordained Bishop | Johann Anton Reichsfreiherr von Freyberg-Hopferau † | Bishop of Eichstätt, Germany |
| 10 Sep | 23.4 | Ordained Priest | Ludwig Philipp Behelm † | Priest of Mainz, Germany | Auxiliary Bishop |
| 12 Sep | | Died | Louis-Pierre de La Tour du Pin-Montauban † | Bishop of Toulon, France |
| 15 Sep | 41.7 | Died | Valerian Rist, O.F.M. † | Coadjutor Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 30 Sep | 32.7 | Appointed | Achille Puglia † | Bishop of Nicastro, Italy |
| 54.1 | Confirmed | Jakob Sigismund von Reinach-Steinbrunn † | Bishop of Basel, Switzerland |
| Born | Antonio Tavira Almazán † | Iznatoraf | Bishop of Salamanca, Spain |
| 1 Oct | 43.6 | Appointed | Eusebio Oscot, O.P. † | Vicar Apostolic of Fo-Kien, China |
| 22 Oct | 82.3 | Died | Rinaldo d'Este † | |
| 26 Oct | | Born | Pierre-François Bienaymé † | Montbard | Bishop of Metz, France |
| 27 Oct | | Born | Iwo Onufry Rogowski † | Brwinowo | Auxiliary Bishop of Chelmno (Culma), Poland |
| Nov | | Died | José del Yermo Santibáñez † | Archbishop of Santiago de Compostela, Spain |
| 3 Nov | 53.3 | Died | Felipe Aguado Requejo † | Bishop of Barcelona, Spain |
| 8 Nov | 57.9 | Appointed | Bernard MacMahon (McMahon) † | Archbishop of Armagh, Ireland |
| 16 Nov | | Born | Henri Reymond † | Vienne | Bishop of Dijon, France |
| 23 Nov | 72.2 | Died | Antonfelice Zondadari † | Cardinal, Titular Archbishop of Damascus |
| 1 Dec | | Born | Ignacio de Salamanca † | Manila | Bishop of Cebu, Philippines |
| 13 Dec | | Born | Charles-Joseph Compans de Brichanteau † | Turin | Bishop Emeritus of Saint-Jean-de-Maurienne, France |
| Born | Camillo de Simeoni † | Benevento | Cardinal, Bishop of Sutri, Italy |
| 14 Dec | | Born | Isidoro Leggio † | Sant'Angelo | Bishop of Umbriatico (Umbriaticum), Italy |
| 16 Dec | 75.0 | Appointed | Luis Antonio Belluga y Moncada, C.O. † | Cardinal-Priest of S. Maria in Trastevere | Cardinal, Bishop Emeritus of Cartagena (en España) |
| 69.9 | Appointed | Vincenzo Bichi † | Cardinal-Priest of S. Lorenzo in Panisperna | Cardinal, Cardinal-Bishop of Frascati |
| 70.5 | Appointed | Giorgio Spínola † | Cardinal-Priest of S. Prassede | Cardinal, Cardinal-Bishop of Palestrina |
| 17 Dec | | Born | Antonio Lante Montefeltro Della Rovere † | Rome | Cardinal, Cardinal-Priest of Ss. Quirico e Giulitta |
| 20 Dec | 67.2 | Elevated to Cardinal | Tomás de Almeida † | Cardinal, Patriarch of Lisboa, Portugal |
| 67.8 | Elevated to Cardinal | Raniero d'Elci † | In Pectore | Cardinal, Cardinal-Bishop of Ostia (-Velletri) |
| 58.9 | Elevated to Cardinal | Gaspar de Molina y Oviedo, O.S.A. † | Cardinal, Bishop of Málaga, Spain |
| 57.4 | Appointed | Joseph Dominikus Franz Kilian von Lamberg † | Cardinal-Priest of S. Pietro in Montorio | Cardinal, Bishop of Passau, Germany |
| 57.4 | Elevated to Cardinal | Joseph Dominikus Franz Kilian von Lamberg † | Cardinal, Bishop of Passau, Germany |
| 66.1 | Elevated to Cardinal | Henri-Osvald de La Tour d'Auvergne de Bouillon † | Cardinal, Archbishop Emeritus of Vienne, France |
| 48.0 | Elevated to Cardinal | Jan Aleksander Lipski † | Cardinal, Bishop of Kraków, Poland |
| 44.8 | Elevated to Cardinal | Carlo della Torre Rezzonico † | Pope (Roma {Rome}, Italy) |
| 29 Dec | | Born | Louis-Charles de Machaut † | Paris | Bishop Emeritus of Amiens, France |
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