| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | | Born | Miguel Anselmo Álvarez de Abreu y Valdéz † | La Laguna, Spain | Bishop of Antequera, Oaxaca, México |
| Appointed | Juan de Argüelles, O.S.A. † | Bishop of Arequipa, Peru | Bishop-Elect |
| 41.7 | Appointed | Álvaro Pires de Castro Noronha † | Bishop of Portalegre, Portugal |
| 45.0 | Ordained Priest | Louis Philippe d'Auneau de Visé † | Priest of Strasbourg, France | Auxiliary Bishop |
| Born | Louis-Marie Deveaux, M.E.P. † | Saint-Malo, France | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 38.0 | Appointed | Jacques de Forbin-Janson † | Archbishop of Arles, France |
| Appointed | Camillo Marazzani † | Bishop of Parma, Italy |
| 51.0 | Appointed | Hugh MacMahon (McMahon) † | Apostolic Administrator of Kilmore, Ireland | Archbishop of Armagh, Ireland |
| 27.7 | Ordained Priest | Diego Felipe Perea Magdaleno † | Priest | Archbishop of Burgos, Spain |
| Born | Francisco San Andrés, O.S.H. † | Toledo | Auxiliary Bishop of Salamanca, Spain |
| Born | Filippo Sanseverino † | Nocera dei Pagani | Bishop Emeritus of Alife, Italy |
| 33.0 | Ordained Priest | John Talbot Stonor † | Priest | Vicar Apostolic of Midland District, England, Great Britain |
| 37.0 | Ordained Priest | José de Toro y Zambrano † | Priest of Santiago de Chile | Bishop of Concepción, Chile |
| 24.0 | Ordained Priest | Lawrence William York, O.S.B. † | Priest of Order of Saint Benedict | Vicar Apostolic Emeritus of Western District, England, Great Britain |
| Appointed | Pawel Antoni Załuski † | Auxiliary Bishop of Płock, Poland |
| Appointed | Pawel Antoni Załuski † | Titular Bishop of Alba | Auxiliary Bishop of Płock, Poland |
| 4 Jan | 35.0 | Ordained Bishop | Charles-Alexandre Le Filleul de La Chapelle † | Bishop of Vabres, France |
| 52.0 | Ordained Bishop | Joseph-Gaspard de Montmorin de Saint-Hérem de La Chassaigne † | Bishop of Aire, France |
| 6 Jan | 30.1 | Confirmed | Karl Joseph Ignaz Herzog von Lothringen † | Archbishop of Trier, Germany | Archbishop-Elect |
| 76.9 | Died | Johann Hugo von Orsbeck † | Archbishop of Trier, Germany |
| 23 Jan | | Born | Alonso Cano Nieto, O.SS.T. † | Moto del Cuervo | Bishop of Segorbe, Spain |
| 25 Jan | 16.6 | Professed | Antônio de Nossa Senhora do Desterro Malheiro, O.S.B. † | Member of Order of Saint Benedict | Bishop of São Sebastião do Rio de Janeiro, Brazil |
| 26 Jan | 39.4 | Appointed | Giberto Borromeo † | Patriarch of the unknown of Titular See | Cardinal, Bishop of Novara, Italy |
| 50.7 | Confirmed | Hugo František (Franz) von Königsegg-Rothenfels † | Bishop of Litomĕrice, Czech Republic |
| 28 Jan | | Born | José Cayetano Loazes Somoza † | Mondoñedo | Bishop of Palencia, Spain |
| 3 Feb | 50.2 | Died | Francesco Maria de' Medici † | |
| 8 Feb | 43.8 | Ordained Bishop | Jules-César Rousseau de La Parisière † | Bishop of Nimes, France |
| 22 Feb | | Born | Johann Mathäus Schweiberer † | Bezdružice | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 23 Feb | 36.1 | Confirmed | Charles-François d'Hallencourt de Dromesnil † | Bishop of Autun, France | Bishop of Verdun, France |
| 41.1 | Appointed | Karol Antoni Szembek † | Bishop of Foreign Diocese | Archbishop of Gniezno, Poland |
| 26 Feb | 77.2 | Appointed | Heinrich Hartard Freiherr von Rollingen † | Bishop of Speyer, Germany |
| 9 Mar | 60.2 | Died | Vitus Seipel † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 22 Mar | 36.2 | Ordained Bishop | Charles-François d'Hallencourt de Dromesnil † | Bishop of Autun, France | Bishop of Verdun, France |
| 24 Mar | | Born | Franz Anton Xaver Reichsfreiherr von Scheben † | Niederburg | Auxiliary Bishop of Worms, Germany |
| 29 Mar | | Ordained Bishop | Olivier-Gabriel de Lubières (Nubières) du Bouchet † | Bishop of (Saint-Bernard de) Comminges, France |
| 4 Apr | 61.3 | Appointed | Henri-Augustin Le Pileur † | Bishop of Saintes, France | Bishop Emeritus |
| 5 Apr | 46.3 | Appointed | Antoine Fagon † | Bishop of Lombez, France | Bishop of Vannes, France |
| 58.3 | Appointed | Joseph-Ignace-Jean-Baptiste de Mesgrigny † | Bishop of Grasse, France |
| 10 Apr | 60.2 | Appointed | Franz Ferdinand Reichsgraf von Kuenburg † | Archbishop of Praha {Prague}, Czech Republic |
| 17 Apr | 55.3 | Appointed | Daniel Joseph Mayer † | Auxiliary Bishop of Praha {Prague}, Czech Republic | Archbishop |
| 55.3 | Appointed | Daniel Joseph Mayer † | Titular Bishop of Tiberias | Archbishop of Praha {Prague}, Czech Republic |
| 1 May | 63.3 | Died | Andrzej Chryzostom Załuski † | Bishop of Warmia, Poland |
| 11 May | 60.3 | Confirmed | Franz Ferdinand Reichsgraf von Kuenburg † | Archbishop of Praha {Prague}, Czech Republic |
| 12 May | 34.0 | Confirmed | Johann Adam Reichsgraf von Wratislaw von Mitrowitz † | Bishop of Hradec Králové, Czech Republic | Bishop of Litomĕrice, Czech Republic |
| 13 May | 66.4 | Died | James Smith † | Vicar Apostolic of Northern District, England, Great Britain |
| 23 May | | Died | Jean-Baptiste de Beaumanoir de Lavardin † | Bishop of Rennes, France |
| 29 May | 68.5 | Died | Alessandro Roncovieri † | Bishop of Borgo San Donnino, Italy |
| 1 Jun | 34.6 | Confirmed | Franz Karl Reichsgraf von Kaunitz-Rietberg † | Bishop of Ljubljana, Slovenia |
| 44.0 | Appointed | Giorgio Spínola † | Titular Archbishop of Caesarea in Cappadocia | Cardinal, Cardinal-Bishop of Palestrina |
| 7 Jun | 60.4 | Died | Francisco Antonio de la Portilla, O.F.M. † | Bishop of Mallorca, Spain |
| 51.1 | Ordained Bishop | Hugo František (Franz) von Königsegg-Rothenfels † | Bishop of Litomĕrice, Czech Republic |
| 44.0 | Ordained Bishop | Giorgio Spínola † | Titular Archbishop of Caesarea in Cappadocia | Cardinal, Cardinal-Bishop of Palestrina |
| 9 Jun | 83.7 | Died | Humbertus Guilielmus de Precipiano † | Archbishop of Mechelen, Belgium |
| 14 Jun | 34.1 | Ordained Bishop | Johann Adam Reichsgraf von Wratislaw von Mitrowitz † | Bishop of Hradec Králové, Czech Republic | Bishop of Litomĕrice, Czech Republic |
| 16 Jun | | Born | François-Louis Pourroy de L'Auberivière † | Grenoble, France | Bishop of Québec, Québec, Canada |
| 28 Jun | | Died | António de Saldanha † | Bishop of Guarda, Portugal |
| 19 Jul | | Ordained Bishop | Pawel Antoni Załuski † | Titular Bishop of Alba | Auxiliary Bishop of Płock, Poland |
| 30 Jul | 31.2 | Appointed | Krzysztof Andrzej Jan Szembek † | Bishop of Chelm, Poland | Bishop of Warmia, Poland |
| 2 Aug | 38.6 | Ordained Bishop | Jacques de Forbin-Janson † | Archbishop of Arles, France |
| 5 Aug | | Born | João de São José de Queiroz da Silveira, O.S.B. † | Matosinhos, Portugal | Bishop Emeritus of Belém do Pará, Brazil |
| 10 Aug | | Born | Carl Laurenz Cardona † | Bautzen | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 15 Aug | 40.9 | Appointed | Christophe-Louis Turpin de Crissé de Sanzay † | Bishop of Rennes, France | Bishop of Nantes, France |
| 22 Aug | | Born | Heinrich Bibra, O.S.B. † | Bamberg | Bishop of Fulda, Germany |
| 28 Aug | | Appointed | Ambrose O'Madden † | Bishop of Clonfert, Ireland |
| 31 Aug | 30.1 | Ordained Bishop | Jakob Maximilian Reichsgraf von Thun und Hohenstein † | Bishop of Gurk, Austria |
| 1 Sep | | Appointed | Christopher Butler † | Archbishop of Cashel, Ireland | Archbishop of Cashel (-Emly), Ireland |
| 8 Sep | | Born | Flavio Chigi † | Rome | Cardinal, Prefect of the Congregation of Rites |
| 10 Sep | 34.9 | Ordained Bishop | Franz Karl Reichsgraf von Kaunitz-Rietberg † | Bishop of Ljubljana, Slovenia |
| 12 Sep | 65.9 | Died | Dionisio Resino (Rezino) y Ormachea † | Auxiliary Bishop of Santiago de Cuba |
| 15 Sep | 51.0 | Appointed | Wolfgang Hannibal Graf von Schrattenbach † | Cardinal, Bishop of Olomouc, Czech Republic |
| 41.7 | Ordained Bishop | Karol Antoni Szembek † | Bishop of Foreign Diocese | Archbishop of Gniezno, Poland |
| 15 Oct | | Born | Ignazio Savastano † | Napoli | Bishop of Gallipoli, Italy |
| 18 Oct | 32.2 | Ordained Priest | Lucas Sartorius Reichsfreiherr Delmestri von Schönberg † | Priest of Trieste, Italy | Bishop |
| 19 Oct | 35.1 | Appointed | Johann Leopold Freiherr von Gudenus † | Auxiliary Bishop of Worms, Germany |
| 35.1 | Appointed | Johann Leopold Freiherr von Gudenus † | Titular Bishop of Pergamum | Auxiliary Bishop of Worms, Germany |
| 3 Nov | | Born | Anton Ignaz Reichsgraf von Fugger-Glött † | Innsbruck | Bishop of Regensburg, Germany |
| 6 Nov | | Born | Carlo de Ciocchis † | Vico | Bishop of Sulmona, Italy |
| 8 Nov | | Born | Bernardo Antonio Calderón Lázaro † | Budia | Bishop of Osma, Spain |
| 10 Nov | 72.9 | Died | Henri-Félix de Tassy † | Bishop of Chalons-sur-Saône, France |
| 15 Nov | | Born | Jozef Karol Zbiško † | Pukanec, Slovakia | Official of Spiš, Slovakia |
| 16 Nov | 47.8 | Appointed | Teodor Andrzej Potocki † | Bishop of Warmia, Poland | Archbishop of Gniezno, Poland |
| 18 Nov | 52.2 | Died | Johann Sigmund Graf von Kuenburg † | Bishop of Chiemsee, Germany |
| 23 Nov | 51.2 | Confirmed | Wolfgang Hannibal Graf von Schrattenbach † | Cardinal, Bishop of Olomouc, Czech Republic |
| 30 Nov | 61.9 | Died | Mauro de Larreátegui y Colón, O.S.B. † | Bishop of Guatemala (Santiago de Guatemala), Guatemala |
| 16 Dec | | Born | Franz Josef Graf von Gondola, O.S.B. † | Wien | Auxiliary Bishop of Paderborn, Germany |
| 18 Dec | 62.0 | Appointed | Wilhelm Graf von Leslie † | Auxiliary Bishop of Trieste, Italy | Bishop of Ljubljana, Slovenia |
| 62.0 | Appointed | Wilhelm Graf von Leslie † | Titular Bishop of Abdera | Bishop of Ljubljana, Slovenia |
| 20 Dec | 59.0 | Ordained Bishop | Joseph-Ignace-Jean-Baptiste de Mesgrigny † | Bishop of Grasse, France |
| 21 Dec | 62.0 | Ordained Bishop | Henri-Augustin Le Pileur † | Bishop of Saintes, France | Bishop Emeritus |
| 23 Dec | 29.4 | Appointed | Annibale Albani † | Cardinal-Deacon of S. Eustachio | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 29.4 | Elevated to Cardinal | Annibale Albani † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 60.7 | Appointed | Aleksander Mikolaj Horain † | Bishop of Smoleńsk, Poland | Bishop of Samogizia o Tels (Zmudz), Lithuania |
| 28 Dec | 37.0 | Appointed | François de Madot † | Bishop of Chalons-sur-Saône, France |
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