| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | | Born | Jean-Louis du Bouschet de Sourches † | | Bishop of Dol, France |
| Died | Castracane De' Castracani † | Bishop of Cagli, Italy |
| 43.0 | Ordained Bishop | Alonso Bernardo de Ríos y Guzmán, O.SS.T. † | Bishop of Santiago de Cuba | Archbishop of Granada, Spain |
| Born | Manuel González Virtus † | Astudillo, Spain | Bishop of Córdoba (Tucumán), Argentina |
| 30.4 | Ordained Priest | Giovanni Francesco Miller † | Priest of Trieste, Italy | Bishop |
| Born | Alonso del Pozo y Silva † | Concepción | Archbishop Emeritus of La Plata o Charcas, Bolivia |
| Born | Matthew Pritchard, O.F.M. † | Graig | Vicar Apostolic Emeritus of Western District, England, Great Britain |
| Appointed | Álvaro de São Boaventura † | Bishop of Guarda, Portugal | Bishop of Coimbra, Portugal |
| Appointed | Manuel de Saldanha † | Bishop of Viseu, Portugal |
| Born | Francisco Sánchez Márquez, O.S. † | Cuenca, Spain | Bishop of the unknown of Titular See |
| 43.0 | Ordained Priest | Friedrich von Tietzen † | Priest of Hildesheim, Germany | Auxiliary Bishop |
| Died | Gothard Jan Tyzenhaus † | Bishop of Smoleńsk, Poland |
| 11 Jan | | Appointed | William Burgat † | Archbishop of Cashel, Ireland |
| 13 Jan | 23.0 | Ordained Priest | Peter Anton Gaus von Homberg † | Priest of Pedena, Austria | Bishop |
| 20 Jan | 54.1 | Ordained Bishop | Gabriel-Philippe de Froullay de Tessé † | Bishop of Avranches, France |
| 28 Jan | | Born | Pablo Vilana Perlas † | Barcelona, Spain | Archbishop of Palermo, Italy |
| 4 Feb | 59.1 | Appointed | Juan Lozano, O.S.A. † | Archbishop of Palermo, Italy | Bishop of Plasencia, Spain |
| Born | Raymund Ferdinand Graf von Rabatta † | Gorizia | Bishop of Passau, Germany |
| 5 Feb | | Born | Francisco de Santiago y Calderón, O. de M. † | Torralba, Spain | Bishop of Antequera, Oaxaca, México |
| 12 Feb | 24.0 | Ordained Priest | Johann Jakob Senfft † | Priest of Mainz, Germany | Auxiliary Bishop |
| 8 Mar | 43.2 | Appointed | James Lynch † | Archbishop of Tuam, Ireland |
| 10 Mar | 27.2 | Ordained Priest | Martin Bernhard Just von Friedenfeld † | Priest of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany | Prefect |
| 11 Mar | | Born | Johann Baptist Reichfreiherr von Reinach-Hirzbach † | Porrentruy | Coadjutor Bishop of Basel, Switzerland |
| 50.5 | Confirmed | Matthäus Ferdinand Sobek von Bilenberg, O.S.B. † | Archbishop of Praha {Prague}, Czech Republic |
| 15 Mar | | Born | Philipp Carl Fürst von Fürstenberg † | | Bishop of Lavant, Slovenia |
| 20 Apr | | Born | Louis-Daniel-Gabriel de Pestel de Levis de Trubières de Caylus † | Paris | Bishop of Auxerre, France |
| 21 Apr | 47.3 | Ordained Bishop | Valerio Maccioni † | Vicar Apostolic of Nordic Missions, Germany |
| 26 Apr | | Born | Álvaro Pires de Castro Noronha † | Lisboa | Bishop of Portalegre, Portugal |
| 4 May | 50.6 | Installed | Matthäus Ferdinand Sobek von Bilenberg, O.S.B. † | Archbishop of Praha {Prague}, Czech Republic |
| 6 May | | Born | Francesco Antonio Finy † | Minervino | Cardinal, Bishop of Tivoli, Italy |
| 16 May | 43.4 | Ordained Bishop | James Lynch † | Archbishop of Tuam, Ireland |
| 22 May | 71.7 | Died | Philipp Friedrich Reichsfreiherr von Breuner † | Bishop of Wien, Austria |
| 25 May | 69.7 | Died | Antonio Paiño Sevilla † | Archbishop of Sevilla {Seville}, Spain |
| 3 Jun | 45.8 | Confirmed | Albrecht Sigmund Herzog von Bayern † | Bishop of Regensburg, Germany | Bishop-Elect of Freising, Germany |
| 16 Jun | 24.5 | Ordained Priest | Johann Franz Christoph Freiherr von Talmberg † | Priest of Praha {Prague}, Czech Republic | Bishop of Hradec Králové, Czech Republic |
| 58.6 | Resigned | Pietro Vidoni (Sr.) † | Bishop of Lodi, Italy | Cardinal, Bishop Emeritus |
| 17 Jun | 49.5 | Appointed | Estevão dos Santos Carneiro de Moraes, C.S.J. † | Bishop of São Salvador da Bahia, Brazil |
| 60.5 | Appointed | Pedro Vieira da Silva † | Bishop of Leiria, Portugal |
| 20 Jun | | Born | Johann Joseph Ignaz Freyschlag von Schmidenthal † | Crostwitz | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 28 Jun | 52.5 | Appointed | Wilderich Reichsfreiherr von Walderdorff † | Bishop of Wien, Austria |
| 2 Jul | 48.5 | Died | Martin Geiger † | Auxiliary Bishop of Passau, Germany |
| 4 Jul | 32.1 | Appointed | Louis Laneau, M.E.P. † | Vicar Apostolic of Siam, Thailand |
| 32.1 | Appointed | Louis Laneau, M.E.P. † | Titular Bishop of Metellopolis | Vicar Apostolic of Siam, Thailand |
| 9 Jul | 43.7 | Appointed | St. Oliver Plunkett † | Archbishop of Armagh, Ireland |
| 15 Jul | 59.8 | Appointed | Francisco de Loyola y Vergara, O.S.A. † | Bishop of Concepción, Chile |
| 23 Jul | 54.5 | Died | Laurenz Aidinger † | Bishop of Wiener Neustadt, Austria |
| Born | Johann Matthias von Eyss † | Vallendar | Auxiliary Bishop of Trier, Germany |
| 5 Aug | 25.9 | Elevated to Cardinal | Emmanuel-Theódose de la Tour d'Auvergne de Bouillon † | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 19 Aug | 52.6 | Confirmed | Wilderich Reichsfreiherr von Walderdorff † | Bishop of Wien, Austria |
| 29 Aug | 37.8 | Appointed | Leopold Karl Graf von Kollonitsch Lipót † | Bishop of Wiener Neustadt, Austria | Cardinal, Archbishop of Esztergom, Hungary |
| 9 Sep | 44.7 | Appointed | Otto Reinhold Andrimont, O.S.A. † | Auxiliary Bishop of Praha {Prague}, Czech Republic | Auxiliary Bishop Emeritus |
| 44.7 | Appointed | Otto Reinhold Andrimont, O.S.A. † | Titular Bishop of Diocaesarea in Palaestina | Auxiliary Bishop Emeritus of Praha {Prague}, Czech Republic |
| Appointed | Juan Asensio † | Bishop of Lugo, Spain | Bishop of Jaén, Spain |
| 47.9 | Confirmed | Sigmund Alphons Reichsgraf von Thun † | Bishop of Trento, Italy | Bishop of Brixen {Bressanone}, Italy |
| 12 Sep | 60.3 | Died | Adrian Walenburch † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 13 Sep | 42.0 | Appointed | Jacques-Bénigne Bossuet † | Bishop of Condom, France | Bishop of Meaux, France |
| 29 Sep | 52.7 | Ordained Bishop | Wilderich Reichsfreiherr von Walderdorff † | Bishop of Wien, Austria |
| 12 Oct | | Ordained Bishop | William Burgat † | Archbishop of Cashel, Ireland |
| 15 Oct | | Born | Gaetano Iovone † | Felitto | Bishop of Alife, Italy |
| 20 Oct | 46.2 | Ordained Priest | Giuseppe Vittorio Alberti d’Enno † | Priest of Trento, Italy | Bishop |
| 3 Nov | | Born | Bogusław Korwin Gosiewski † | Lozdzieje | Bishop of Smoleńsk, Poland |
| 4 Nov | | Born | Johann Bernhard Mayer † | Lauda | Auxiliary Bishop of Würzburg, Germany |
| 20 Nov | | Born | Bernardo Jiménez Cascante † | Cascante | Bishop of Barcelona, Spain |
| 21 Nov | 59.0 | Died | Alexander Dirre † | Auxiliary Bishop of Olomouc, Czech Republic |
| 29 Nov | 79.4 | Elevated to Cardinal | Emilio Bonaventura Altieri † | Pope (Roma {Rome}, Italy) |
| 30 Nov | 44.1 | Ordained Bishop | St. Oliver Plunkett † | Archbishop of Armagh, Ireland |
| 9 Dec | 69.9 | Died | Giulio Rospigliosi † | Pope (Roma {Rome}, Italy) |
| 19 Dec | | Born | Gottfried Reichsritter Langwerth von Simmern † | Hattenheim | Auxiliary Bishop of Regensburg, Germany |
| 29 Dec | | Born | Tomás Vidal, O. Cist. † | Tarragona, Spain | Archbishop of Messina, Italy |
| 31 Dec | | Born | Honoré-François Grimaldi de Monaco † | | Archbishop of Besançon, France |
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