| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Appointed | Francesco Maria Annoni † | Bishop of Muro Lucano, Italy |
| Born | Angel Benito, O.S.B. † | Alfaro | Auxiliary Bishop of Burgos, Spain |
| Born | Jan Kazimierz de Alten Bokum † | | Bishop of Chelmno (Culma), Poland |
| Appointed | Castracane De' Castracani † | Bishop of Cagli, Italy |
| 31.0 | Appointed | François de Clermont-Tonnerre † | Bishop of Noyon, France |
| 54.0 | Died | Charles-Auguste de Sales † | Bishop of Genève {Geneva}, Switzerland |
| 36.0 | Ordained Bishop | Lucas Fernández de Piedrahita † | Bishop of Santa Marta, Colombia | Bishop of Panamá |
| Appointed | Matteo di Génnaro † | Archbishop of Reggio Calabria, Italy |
| Appointed | Bernardo de Izaguirre Reyes † | Bishop of Cuzco, Peru | Archbishop of La Plata o Charcas, Bolivia |
| Appointed | Vincenzo Lanfranchi † | Bishop of Trivento, Italy | Archbishop of Acerenza e Matera, Italy |
| Born | François Gaspard de La Mer de Matha † | Marcillat | Bishop of Aire, France |
| Born | Hugh MacMahon (McMahon) † | Cavany | Archbishop of Armagh, Ireland |
| Born | Juan Muñoz de la Cueva, O.SS.T. † | Almedina | Bishop of Orense, Spain |
| 50.0 | Ordained Bishop | Agustín Muñoz Sandoval † | Bishop of Cuzco, Peru |
| Born | Gregorio Téllez, O.F.M. Conv. † | Casarrubios del Monte | Bishop Emeritus of Ciudad Rodrigo, Spain |
| 47.7 | Appointed | Mathieu Thoreau † | Bishop of Dol, France |
| 60.0 | Died | Pacifico Trani (Trasi), O.F.M. † | Bishop of Cagli, Italy |
| 73.0 | Installed | Gaspar de Villarroel, O.S.A. † | Archbishop of La Plata o Charcas, Bolivia |
| Born | Jean Vivant † | Paris | Auxiliary Bishop of Strasbourg, France |
| Born | Thomas Dominic Williams, O.P. † | Monmouthshire | Vicar Apostolic of Northern District, England, Great Britain |
| 6 Jan | 50.0 | Installed | Jan Stefan Wydzga † | Bishop of Warmia, Poland | Archbishop of Gniezno, Poland |
| 12 Jan | | Born | Francesco Maria Abbati † | Pesaro | Bishop of Carpentras, France |
| 46.1 | Appointed | Alessandro Pallavicini, O.S.B. † | Bishop of Borgo San Donnino, Italy |
| 26 Jan | 58.2 | Appointed | Diego de Humanzoro, O.F.M. † | Bishop of Santiago de Chile |
| 58.1 | Appointed | Juan Velez † | Bishop of Cebu, Philippines | Bishop-Elect |
| 12 Feb | 45.1 | Succeeded | Jacques Adhémar de Monteil de Grignan † | Bishop of Uzés, France |
| 14 Feb | | Born | Domingo Valentín Guerra Arteaga y Leiba † | Ariano, Italy | Bishop of Segovia, Spain |
| 19 Feb | 62.7 | Died | Thomas Henrici † | Auxiliary Bishop of Basel, Switzerland |
| 26 Feb | | Died | Bernhard Graf von Schrattenbach, O. Cist. † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 5 Mar | | Died | Francisco Pio Guadalupe Tellez † | Archbishop of Santo Domingo, Dominican Republic |
| 16 Mar | | Born | Antoine de Charpin de Genetines † | Saint-Romain d`Urfé | Bishop of Limoges, France |
| 5 Apr | 34.6 | Elevated to Cardinal | St. Gregorio Giovanni Gasparo Barbarigo † | Cardinal, Bishop of Padova {Padua}, Italy |
| 49.4 | Elevated to Cardinal | Pietro Vidoni (Sr.) † | Cardinal, Bishop Emeritus of Lodi, Italy |
| 49.4 | Resigned | Pietro Vidoni (Sr.) † | Apostolic Nuncio to Poland | Cardinal, Bishop Emeritus of Lodi, Italy |
| 67.1 | Elevated to Cardinal | Franz Wilhelm Reichsgraf von Wartenberg † | Cardinal, Bishop of Regensburg, Germany |
| 27 Apr | 60.3 | Died | Martin Saudrius von Sternfeld † | Prefect Emeritus of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 29 Apr | 46.4 | Installed | Alessandro Pallavicini, O.S.B. † | Bishop of Borgo San Donnino, Italy |
| 5 May | 42.3 | Appointed | Stefano Brancaccio † | Titular Archbishop of Hadrianopolis in Haemimonto | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 7 May | | Born | Hugo František (Franz) von Königsegg-Rothenfels † | Wien | Bishop of Litomĕrice, Czech Republic |
| 11 May | 75.4 | Appointed | Christophorus Johannes Reinheld von Reichenau † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 15 May | 25.7 | Ordained Priest | Anselm Franz Reichsfreiherr von Ingelheim † | Priest of Mainz, Germany | Archbishop |
| 21 May | 44.2 | Appointed | Antonio Pignatelli del Rastrello † | Apostolic Nuncio to Poland | Pope (Roma {Rome}, Italy) |
| 9 Jun | 42.4 | Appointed | Stefano Brancaccio † | Apostolic Nuncio to Other | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| Born | Ludwig Anton Pfalzgraf von Rhein zu Neuburg † | Düsseldorf | Bishop-Elect of Worms, Germany |
| 11 Jun | 36.4 | Ordained Bishop | Pierre Lambert de la Motte, M.E.P. † | Titular Bishop of Berytus | Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 29 Jun | 61.6 | Ordained Bishop | François de Villemontée † | Bishop of Saint-Malo, France |
| 9 Jul | | Born | Ignaz von Lovina † | Siders | Bishop of Wiener Neustadt, Austria |
| 4 Aug | | Born | Michel Le Peletier † | Paris | Bishop of Angers, France |
| 16 Aug | 75.7 | Died | Juan del Pozo Horta, O.P. † | Bishop of Segovia, Spain |
| 12 Sep | | Born | Wolfgang Hannibal Graf von Schrattenbach † | Lemberg | Cardinal, Bishop of Olomouc, Czech Republic |
| 13 Sep | | Born | Matthäus Joseph Ignaz Vitzki † | Wittichenau | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 20 Sep | 30.5 | Appointed | Ignace Cotolendi † | Vicar Apostolic of Kiangnan, China |
| 30.5 | Appointed | Ignace Cotolendi † | Titular Bishop of Metellopolis | Vicar Apostolic of Kiangnan, China |
| 13 Oct | 61.8 | Died | Pedro de Reina Maldonado † | Bishop-Elect of Santiago de Cuba | Bishop-Elect of Santiago de Cuba |
| 16 Oct | 34.5 | Ordained Priest | Franz Egon Fürst von Fürstenberg † | Priest of Köln {Cologne}, Germany | Bishop of Strasbourg, France |
| 23 Oct | | Born | Gianantonio Davia † | Bologna | Cardinal, Bishop Emeritus of Rimini, Italy |
| 7 Nov | 30.6 | Ordained Bishop | Ignace Cotolendi † | Titular Bishop of Metellopolis | Vicar Apostolic of Kiangnan, China |
| 15 Nov | 50.6 | Appointed | Pietro Vito Ottoboni † | Cardinal-Priest of S. Marco | Pope (Roma {Rome}, Italy) |
| 19 Dec | 62.0 | Ordained Bishop | Juan Aguirre y Gorozpe † | Bishop of Durango, Durango, México |
| 27 Dec | | Born | Johann Werner Schnatz † | Bamberg | Auxiliary Bishop of Bamberg, Germany |