| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | | Appointed | Manuel de Aguiar † | Bishop of Leiria, Portugal |
| Died | Lourenço de Alencastre † | Bishop of Leiria, Portugal |
| Appointed | Giovanni Andrea Avogadro † | Bishop of Verona, Italy | Bishop Emeritus |
| 71.8 | Died | Clemente Maria Bardini † | Bishop of Acquapendente, Italy |
| 54.0 | Resigned | Alexandre-Joseph-Alexis de Bruyère de Chalabre † | Bishop of Saint-Omer, France | Bishop Emeritus |
| 90.0 | Died | Jan Dembowski † | Bishop of Foreign Diocese |
| Born | Patrick Durcan † | | Bishop of Achonry, Ireland |
| 26.0 | Ordained Priest | Joaquín López Sicilia † | Priest | Archbishop of Valencia, Spain |
| 56.2 | Appointed | Adam Stanisław Naruszewicz † | Bishop of Luceoria o Łuck e Zytomir o Zytomierz, Ukraine |
| 46.1 | Appointed | Wojciech Skarszewski † | Bishop of Chelm, Poland | Archbishop of Warszawa {Warsaw}, Poland |
| Born | Daniel Vaughan † | | Bishop of Killaloe, Ireland |
| 3 Jan | 48.0 | Ordained Bishop | Jean-René Asseline † | Bishop of Boulogne (-Sur-Mer), France |
| 43.3 | Ordained Bishop | Jean-Charles de Coucy † | Bishop of La Rochelle, France | Archbishop of Reims, France |
| 53.4 | Ordained Bishop | Charles-François d'Aviau Du Bois-de-Sanzay † | Archbishop of Vienne, France | Archbishop of Bordeaux, France |
| 14 Jan | | Born | Giuseppe Durguth † | Urmeny | Auxiliary Bishop of Esztergom, Hungary |
| 23 Jan | 50.8 | Ordained Bishop | Franc Jožef Mikolič (Mikolitsch) † | Titular Bishop of Gratianopolis | Auxiliary Bishop of Ljubljana, Slovenia |
| 26 Jan | 75.1 | Died | Jean-Félix-Henri de Fumel † | Bishop of Lodève, France |
| 63.6 | Died | James Robert Talbot † | Vicar Apostolic of London District, England, Great Britain |
| 29 Jan | 45.6 | Resigned | Vinzenz Joseph Franz Sales Graf von Schrattenbach † | Bishop of Lavant, Slovenia | Bishop of Brno, Czech Republic |
| 2 Feb | 58.7 | Ordained Deacon | Tommaso Antici † | Deacon | Cardinal, |
| 4 Feb | 49.4 | Appointed | Ferdinand Kindermann † | Bishop of Litomĕrice, Czech Republic |
| 5 Feb | | Born | Francesco Leone de Aguirre † | S. Lorenzo della Barranca | Bishop of La Paz, Bolivia |
| 20 Feb | 52.8 | Appointed | Joseph Ernest Gandolph Graf von Kuenburg † | Bishop of Lavant, Slovenia |
| 27 Feb | 22.8 | Ordained Priest | Camillo Giovanni Rossi † | Priest | Bishop Emeritus of San Severo, Italy |
| 1 Mar | 47.1 | Appointed | Joseph Konrad Freiherr von Schroffenberg, C.R.S.A. † | Bishop of Freising, Germany |
| 2 Mar | 60.6 | Died | Francisco López Sánchez † | Bishop of Ayacucho o Huamanga, Peru |
| 13 Mar | 52.8 | Ordained Bishop | Joseph Ernest Gandolph Graf von Kuenburg † | Bishop of Lavant, Slovenia |
| 17 Mar | 71.5 | Died | José Escalzo Miguel, O.S.B. † | Bishop of Cádiz, Spain |
| 20 Mar | 24.2 | Ordained Priest | Louis-Guillaume-Valentin Dubourg, P.S.S. † | Priest of Society of Priests of St. Sulpice | Archbishop of Besançon, France |
| 27.7 | Ordained Priest | Daniel Eliasz Ostrowski † | Priest | Auxiliary Bishop of Gniezno-Poznań, Poland |
| 61.4 | Ordained Deacon | Fernando Spinelli † | Deacon | Cardinal, Cardinal-Deacon of S. Maria in Cosmedin |
| 28 Mar | 56.7 | Ordained Deacon | Ludovico Flangini Giovanelli † | Deacon | Cardinal, Patriarch of Venezia {Venice}, Italy |
| 29 Mar | 47.5 | Appointed | Francisco Mateo Aguiriano Gómez † | Bishop of Calahorra y La Calzada, Spain |
| 66.2 | Appointed | Juan Alvarez Castro † | Bishop of Coria, Spain |
| 62.3 | Appointed | José Constancio Andino † | Bishop of Osma, Spain |
| 66.0 | Appointed | Agustín Benito Torres, O. Carm. † | Bishop of Albarracin, Spain |
| 61.1 | Appointed | Salvador Bienpica y Sotomayor † | Bishop of Tlaxcala, Tlaxcala, México |
| 49.5 | Appointed | Cayetano Da Annunciação Brandão, T.O.R. † | Archbishop of Braga, Portugal |
| 43.0 | Appointed | Francisco de Cuerda † | Bishop of Puerto Rico (Porto Rico) | Bishop Emeritus |
| 47.4 | Appointed | Andreas Joseph Fahrmann † | Auxiliary Bishop of Würzburg, Germany |
| 47.4 | Appointed | Andreas Joseph Fahrmann † | Titular Bishop of Halmiros | Auxiliary Bishop of Würzburg, Germany |
| 49.5 | Confirmed | Ferdinand Kindermann † | Bishop of Litomĕrice, Czech Republic |
| 58.1 | Appointed | Antonio José Salinas Moreno, O.F.M. † | Bishop of Tortosa, Spain |
| 55.8 | Appointed | Philipp Anton Schmidt † | Auxiliary Bishop of Speyer, Germany |
| 55.8 | Appointed | Philipp Anton Schmidt † | Titular Bishop of Thermae Basilicae | Auxiliary Bishop of Speyer, Germany |
| 30 Mar | 47.2 | Appointed | Joseph Konrad Freiherr von Schroffenberg, C.R.S.A. † | Bishop of Regensburg, Germany | Bishop of Freising, Germany |
| 1 Apr | | Born | Vicente Barreiro y Pérez, O.S.A. † | Santa María de Vigo, Spain | Bishop of Nueva Segovia, Philippines |
| Born | Giovanni Sabatini (Sabatino) † | Lagonegro | Bishop of Valva e Sulmona, Italy |
| 4 Apr | 58.3 | Died | Jean-Baptiste-Charles-Marie de Beauvais † | Bishop Emeritus of Senez, France |
| 5 Apr | | Born | Cornelius Richard Antoon van Bommel † | Leyden | Bishop of Liège, Belgium |
| 17 Apr | | Born | Rodrigo Moreno Echevarría Briones, O.S.B. † | San Millán de la Cogolla | Bishop of Segovia, Spain |
| 24 Apr | 25.0 | Ordained Priest | Augustin-Sulpice Zen-Ruffinen † | Priest of Sion {Sitten}, Switzerland | Bishop |
| 9 May | 66.3 | Ordained Bishop | Juan Alvarez Castro † | Bishop of Coria, Spain |
| 16 May | 66.2 | Ordained Bishop | Agustín Benito Torres, O. Carm. † | Bishop of Albarracin, Spain |
| 47.5 | Ordained Bishop | Andreas Joseph Fahrmann † | Titular Bishop of Halmiros | Auxiliary Bishop of Würzburg, Germany |
| 56.0 | Ordained Bishop | Philipp Anton Schmidt † | Titular Bishop of Thermae Basilicae | Auxiliary Bishop of Speyer, Germany |
| 17 May | 56.2 | Died | Matthew Gibson † | Vicar Apostolic of Northern District, England, Great Britain |
| 29 May | 24.0 | Ordained Priest | Francesco Luigi Piervisani † | Priest | Bishop of Nocera Umbra, Italy |
| 4 Jun | 47.4 | Appointed | Tymoteusz Pawel von Gorzeński † | Bishop of Smoleńsk, Poland | Archbishop of Gniezno-Poznań, Poland |
| 82.3 | Died | Louis-Albert de Lezay-Marnesia † | Bishop Emeritus of Evreux, France |
| 8 Jun | 64.5 | Appointed | Jose Martinez Palomino y Lopez de Lorena † | Bishop of Foreign Diocese |
| 14 Jun | | Born | Tommaso Bellacosa † | Naples | Bishop of Cava e Sarno, Italy |
| 61.4 | Died | Franz Melchior Joseph Zen-Ruffinen † | Bishop of Sion {Sitten}, Switzerland |
| 17 Jun | | Born | Guillaume-Laurent-Louis Angebault † | Rennes | Bishop of Angers, France |
| 21 Jun | 47.0 | Appointed | Agustín Iñigo Abad Lasierra, O.S.B. † | Bishop of Barbastro, Spain |
| 43.5 | Appointed | Manoel de Almeida de Carvalho † | Bishop of Belém do Pará, Brazil |
| 46.6 | Appointed | Cayetano Peña Granada † | Bishop of Huesca, Spain |
| 39.1 | Appointed | Atanasio Puyal Poveda † | Auxiliary Bishop of Toledo, Spain | Bishop of Calahorra y La Calzada, Spain |
| 39.1 | Appointed | Atanasio Puyal Poveda † | Titular Bishop of Carystus | Bishop of Calahorra y La Calzada, Spain |
| 47.4 | Confirmed | Joseph Konrad Freiherr von Schroffenberg, C.R.S.A. † | Bishop of Freising, Germany |
| 47.4 | Confirmed | Joseph Konrad Freiherr von Schroffenberg, C.R.S.A. † | Bishop of Regensburg, Germany | Bishop of Freising, Germany |
| 23 Jun | 74.6 | Died | Johann Anton Freiherr von Zehmen † | Bishop of Eichstätt, Germany |
| 28 Jun | 49.8 | Installed | Cayetano Da Annunciação Brandão, T.O.R. † | Archbishop of Braga, Portugal |
| Born | Jozef Kunszt † | Zubrohlava | Archbishop of Kalocsa, Hungary |
| 4 Jul | 61.4 | Ordained Bishop | Salvador Bienpica y Sotomayor † | Bishop of Tlaxcala, Tlaxcala, México |
| 49.8 | Ordained Bishop | Ferdinand Kindermann † | Bishop of Litomĕrice, Czech Republic |
| 5 Jul | 67.7 | Died | Rafael José Verger y Suau, O.F.M. † | Bishop of Linares o Nueva León, Nuevo León, México |
| 11 Jul | 43.2 | Ordained Bishop | Francisco de Cuerda † | Bishop of Puerto Rico (Porto Rico) | Bishop Emeritus |
| 58.4 | Ordained Bishop | Antonio José Salinas Moreno, O.F.M. † | Bishop of Tortosa, Spain |
| 16 Jul | | Born | João Henriques Monis † | Funchal | Bishop of Santiago de Cabo Verde |
| 25 Jul | 34.9 | Ordained Bishop | Cesare Brancadoro † | Titular Archbishop of Nisibis | Cardinal, Archbishop of Fermo, Italy |
| 3 Aug | 45.4 | Appointed | Joseph Anton Blatter † | Bishop of Sion {Sitten}, Switzerland |
| 7 Aug | | Born | Anton Frenzel † | Kostenthal | Auxiliary Bishop of Warmia, Poland |
| 8 Aug | 47.1 | Ordained Bishop | Agustín Iñigo Abad Lasierra, O.S.B. † | Bishop of Barbastro, Spain |
| 46.7 | Ordained Bishop | Cayetano Peña Granada † | Bishop of Huesca, Spain |
| 39.3 | Ordained Bishop | Atanasio Puyal Poveda † | Titular Bishop of Carystus | Bishop of Calahorra y La Calzada, Spain |
| 9 Aug | 47.6 | Died | Ignazio-Gaetano Boncompagni-Ludovisi † | Cardinal, Secretary Emeritus of the Secretariat of State |
| 15 Aug | 43.6 | Ordained Bishop | Manoel de Almeida de Carvalho † | Bishop of Belém do Pará, Brazil |
| 55.6 | Ordained Bishop | John Carroll † | Bishop of Baltimore, Maryland, USA | Archbishop of Baltimore, Maryland, USA |
| 22 Aug | 22.1 | Ordained Priest | Georg Mayer † | Priest of Gurk, Austria | Bishop |
| 47.6 | Ordained Bishop | Joseph Konrad Freiherr von Schroffenberg, C.R.S.A. † | Bishop of Freising, Germany |
| 27 Aug | 61.6 | Installed | Salvador Bienpica y Sotomayor † | Bishop of Tlaxcala, Tlaxcala, México |
| 30 Aug | 62.6 | Died | Josef Winterl, S.J. † | Auxiliary Bishop of Győr, Hungary |
| 2 Sep | 89.6 | Died | Johann Nikolaus (Febronius) von Hontheim † | Auxiliary Bishop of Trier, Germany |
| 7 Sep | | Born | Bertrand-Sévère Mascarou-Laurence † | Oroix | Bishop of Tarbes, France |
| 10 Sep | 46.8 | Appointed | John Douglass † | Vicar Apostolic of London District, England, Great Britain |
| 46.8 | Appointed | John Douglass † | Titular Bishop of Centuria | Vicar Apostolic of London District, England, Great Britain |
| 52.6 | Appointed | William Gibson † | Vicar Apostolic of Northern District, England, Great Britain |
| 52.6 | Appointed | William Gibson † | Titular Bishop of Achantus | Vicar Apostolic of Northern District, England, Great Britain |
| 18 Sep | 23.9 | Ordained Priest | Józef Chelkowski † | Priest of Gniezno-Poznań, Poland | Auxiliary Bishop |
| 24.7 | Ordained Priest | St. Domingo Henares, O.P. † | Priest of Order of Friars Preachers | Coadjutor Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 23.2 | Ordained Priest | Ignatz Albert (Joseph Ignatz Alexius) von Riegg, O.S.A. † | Priest of Order of St. Augustine | Bishop of Augsburg, Germany |
| 25.3 | Ordained Priest | Joseph-Julien de Saint-Rome-Gualy † | Priest | Bishop of Carcassonne, France |
| 21 Sep | 49.9 | Appointed | Joseph Graf von Stubenberg † | Bishop of Eichstätt, Germany | Archbishop of Bamberg, Germany |
| 26 Sep | 23.0 | Ordained Priest | Francisco Chachim, O.F.M. † | Priest of Order of Friars Minor | Bishop of Macau, China |
| 30 Sep | 56.2 | Died | Toussaint-François-Joseph Conen de Saint-Luc † | Bishop of Quimper, France |
| 1 Oct | 58.8 | Appointed | Feliciano Alonso, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 58.8 | Appointed | Feliciano Alonso, O.P. † | Titular Bishop of Fesseë | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 6 Oct | 50.8 | Died | Maciej Grzegorz Garnysz † | Bishop of Chelm, Poland |
| 10 Oct | 47.5 | Ordained Bishop | Bartolomé María de las Heras Navarro † | Bishop of Cuzco, Peru | Archbishop of Lima, Peru |
| 28 Oct | | Ordained Bishop | José Calvo, O.P. † | Titular Bishop of Meloë in Lycia | Vicar Apostolic of Fo-Kien, China |
| 44.7 | Ordained Bishop | Domingo Collantes, O.P. † | Bishop of Nueva Caceres, Philippines |
| 2 Nov | | Born | Joseph-Marie-Pélagie Havard, M.E.P. † | Thourie, France | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 9 Nov | 68.4 | Died | Juam Manuel Antonio Ramos Lora, O.F.M. † | Bishop of Mérida, Venezuela |
| 15 Nov | 65.8 | Installed | Blas Manuel Sobrino y Minayo † | Bishop of Santiago de Chile | Bishop of Trujillo, Peru |
| 25 Nov | 38.7 | Appointed | Ramón Falcón Salcedo † | Auxiliary Bishop | Bishop of Cuenca, Ecuador |
| 38.7 | Appointed | Ramón Falcón Salcedo † | Titular Bishop of Thaumacus | Bishop of Cuenca, Ecuador |
| 26 Nov | 68.9 | Died | José Tormo Juliá † | Bishop of Orihuela, Spain |
| 29 Nov | 45.7 | Confirmed | Joseph Anton Blatter † | Bishop of Sion {Sitten}, Switzerland |
| 51.6 | Appointed | Filippo Campanelli † | Cardinal-Deacon of S. Angelo in Pescheria | Cardinal, Cardinal-Deacon of S. Cesareo in Palatio |
| 47.8 | Confirmed | Tymoteusz Pawel von Gorzeński † | Bishop of Smoleńsk, Poland | Archbishop of Gniezno-Poznań, Poland |
| 56.9 | Appointed | Stefan Wojciech von Łubieński † | Auxiliary Bishop of Gniezno, Poland |
| 56.9 | Appointed | Stefan Wojciech von Łubieński † | Titular Bishop of Byblus | Auxiliary Bishop of Gniezno, Poland |
| 54.7 | Appointed | Antonio Martínez de la Plaza † | Bishop of Cádiz, Spain |
| 63.0 | Appointed | Gregorio Antonio Maria Salviati † | Cardinal, Cardinal-Deacon of S. Maria in Via Lata |
| 62.1 | Appointed | Fernando Spinelli † | Cardinal, Cardinal-Deacon of S. Maria in Cosmedin |
| 65.1 | Appointed | Luigi Valenti Gonzaga † | Cardinal-Priest of Ss. Nereo ed Achilleo | Cardinal, Librarian of the Vatican Library |
| 2 Dec | | Born | Pier Grisologo Basetti † | Vairo | Bishop of Borgo San Donnino, Italy |
| 5 Dec | 52.8 | Ordained Bishop | William Gibson † | Titular Bishop of Achantus | Vicar Apostolic of Northern District, England, Great Britain |
| 9 Dec | 73.9 | Died | Tomasz Ignacy Zienkowicz † | Auxiliary Bishop Emeritus of Vilnius, Lithuania |
| 12 Dec | 55.9 | Installed | John Carroll † | Bishop of Baltimore, Maryland, USA | Archbishop of Baltimore, Maryland, USA |
| 18 Dec | 22.9 | Ordained Priest | Jean-Louis Anne Madelain Lefebvre de Cheverus † | Priest of Montauban, France | Cardinal, Archbishop of Bordeaux, France |
| 23.3 | Ordained Priest | Antônio de São José Bastos, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Olinda, Brazil |
| 24.2 | Ordained Priest | Giovanni Sergio † | Priest | Bishop of Cefalù, Italy |
| 19 Dec | 47.0 | Ordained Bishop | John Douglass † | Titular Bishop of Centuria | Vicar Apostolic of London District, England, Great Britain |
| 22 Dec | 76.3 | Retired | Claude-Mathias-Joseph de Barral † | Bishop of Troyes, France | Bishop Emeritus |
| 44.7 | Succeeded | Louis-Mathias-Joseph de Barral † | Bishop of Troyes, France | Archbishop Emeritus of Tours, France |
| 31 Dec | 24.7 | Ordained Priest | Pierre Trenchant, M.E.P. † | Priest of La Société des Missions Etrangères | Coadjutor Vicar Apostolic of Se-Ciuen, China |
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