| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | 83.0 | Retired | Girolamo Maria Allegri † | Bishop of Cagli, Italy | Bishop Emeritus |
| Died | Jean-Baptiste Massillon † | Bishop of Clermont, France |
| Appointed | Bernardo António de Melo Osório † | Bishop of Guarda, Portugal |
| 52.0 | Died | José Ignacio Mijares Solórzano y Tobar † | Bishop of Santa Marta, Colombia |
| Appointed | Feliciano de Nossa Senhora † | Bishop of Lamego, Portugal |
| Appointed | Silvestro Lodovico Paparelli † | Bishop of Cagli, Italy |
| Appointed | Lourenço de Santa Maria † | Archbishop of Goa, India | Bishop of Faro {Algarve}, Portugal |
| 4 Jan | 28.3 | Ordained Priest | Vicente da Gamal Leao † | Priest | Coadjutor Bishop Emeritus of São Sebastião do Rio de Janeiro, Brazil |
| 6 Jan | 63.0 | Died | Antonio López Portillo de Guadalupe, O.F.M. † | Bishop of Comayagua, Honduras |
| 9 Jan | | Born | Filippo Angelico Becchetti, O.P. † | Bologna | Bishop Emeritus of Città della Pieve, Italy |
| 22 Jan | 73.1 | Resigned | Alonso del Pozo y Silva † | Archbishop of La Plata o Charcas, Bolivia | Archbishop Emeritus |
| 67.3 | Appointed | Agustín Rodríguez Delgado † | Archbishop of La Plata o Charcas, Bolivia | Archbishop of Lima, Peru |
| 72.1 | Appointed | Filippo Carlo Spada † | Titular Patriarch of Alexandria of Egypt {Alessandria di Egitto} (-Eliopoli di Egitto-Port-Said) |
| 26 Jan | | Born | Florido Pierleoni † | Città di Castello | Bishop of Acquapendente, Italy |
| 28 Jan | 38.2 | Ordained Bishop | Jacques-Marie de Caritat de Condorcet † | Bishop of Gap, France | Bishop of Lisieux, France |
| 31 Jan | | Born | Giovanni Castiglione † | Ischia | Cardinal, Bishop of Osimo e Cingoli, Italy |
| 9 Feb | | Born | Michel Leopold Freiherr Brigido von Marenfels und Bresoviz † | Trieste, Italy | Bishop of Spiš, Slovakia |
| 16 Feb | 77.1 | Died | Antoine Fagon † | Bishop of Vannes, France |
| 17 Feb | | Born | Charles de La Font de Savine † | Embrun | Bishop Emeritus of Viviers (Aps), France |
| 26.2 | Ordained Priest | Franz Xaver Twrdy † | Priest of Praha {Prague}, Czech Republic | Auxiliary Bishop |
| 18 Feb | 28.7 | Ordained Bishop | Josef Maria Reichsgraf von Thun und Hohenstein † | Bishop of Gurk, Austria | Bishop of Passau, Germany |
| 20 Feb | | Born | José de Santa Escolástica Álvares (Alves) Pereira, O.S.B. † | Porto | Archbishop of São Salvador da Bahia, Brazil |
| 21 Feb | 65.1 | Died | Pedro Salazar Góngora † | Bishop of Córdoba, Spain |
| 22 Feb | 48.7 | Appointed | Pedro Felipe de Azúa e Iturgoyen † | Bishop of Concepción, Chile | Archbishop Emeritus of Santafé en Nueva Granada, Colombia |
| 24 Feb | 52.0 | Ordained Bishop | Franz Joachim Reichsritter Schmid von Altenstadt † | Titular Bishop of Lagania | Auxiliary Bishop of Regensburg, Germany |
| 28 Feb | 62.2 | Appointed | Salvador Bermúdez y Becerra † | Bishop of La Paz, Bolivia | Archbishop of La Plata o Charcas, Bolivia |
| Mar | 78.2 | Died | Jeronimo Herrera y Lopez † | Bishop of Nueva Segovia, Philippines |
| 3 Mar | 73.2 | Died | Tomás Crespo Agüero † | Archbishop of Zaragoza, Spain |
| 5 Mar | 21.6 | Ordained Priest | Johann Theodor von Franken-Siersdorf † | Priest of Hildesheim, Germany | Vicar Apostolic of Upper and Lower Saxony (Hanover), Germany |
| 30 Mar | 77.3 | Retired | Jacques-Bénigne Bossuet † | Bishop of Troyes, France | Bishop Emeritus |
| Born | William Gregory Sharrock, O.S.B. † | Walton le Dale | Vicar Apostolic of Western District, England, Great Britain |
| 2 Apr | 35.5 | Appointed | Jean-Joseph Chapelle de Saint-Jean de Jumilhac † | Bishop of Vannes, France | Archbishop of Arles, France |
| 18 Apr | 58.3 | Installed | Pedro Morcillo Rubio de Suñón † | Bishop of Cuzco, Peru |
| 4 May | 65.7 | Died | Pedro Ayala, O.P. † | Bishop Emeritus of Avila, Spain |
| 16 May | 61.1 | Resigned | Elias Daniel von Sommerfeld † | Auxiliary Bishop of Wrocław, Poland | Auxiliary Bishop Emeritus |
| 19 May | 29.5 | Ordained Priest | Charles Antoine de Grady † | Priest of Liège, Belgium | Auxiliary Bishop |
| 21 May | 24.5 | Appointed | François-Armand-Auguste de Rohan-Soubise-Ventadour † | Coadjutor Bishop of Strasbourg, France | Cardinal, Bishop |
| 26 May | | Born | Francisco Javier Aldazábal † | Andahuaylas | Bishop of Santa Cruz de la Sierra, Bolivia |
| 29 May | 82.3 | Died | Domingo Valentín Guerra Arteaga y Leiba † | Bishop of Segovia, Spain |
| 31 May | 56.4 | Died | Bernardo Froilán Saavedra Sanjurjo † | Coadjutor Archbishop of Toledo, Spain |
| 12 Jun | 63.4 | Died | Sigismund Felix Graf von Schrattenbach † | Bishop of Ljubljana, Slovenia |
| 24 Jun | 55.5 | Died | Juan Angel Rodríguez, O.SS.T. † | Archbishop of Manila, Philippines |
| 25 Jun | 64.3 | Died | Pedro Manuel Dávila Cárdenas † | Bishop of Plasencia, Spain |
| 26 Jun | 87.7 | Died | Stefano Fogliani † | Bishop of Modena, Italy |
| 1 Jul | | Born | René des Monstiers de Mérinville † | Auby | Bishop Emeritus of Chambéry, France |
| 9 Jul | | Installed | Juan de Castañeda † | Bishop of Panamá | Bishop of Cuzco, Peru |
| 35.8 | Confirmed | Jean-Joseph Chapelle de Saint-Jean de Jumilhac † | Bishop of Vannes, France | Archbishop of Arles, France |
| 55.1 | Appointed | Juan Mateo López Sáenz, C.R.M. † | Bishop of Cartagena (en España) |
| 15 Jul | 55.1 | Ordained Bishop | Juan Mateo López Sáenz, C.R.M. † | Bishop of Cartagena (en España) |
| 26 Jul | 61.3 | Died | Elias Daniel von Sommerfeld † | Auxiliary Bishop Emeritus of Wrocław, Poland |
| 30 Jul | 50.6 | Appointed | Pedro Clemente de Aróstegui † | Coadjutor Archbishop of Toledo, Spain | Bishop of Osma, Spain |
| 24.7 | Appointed | François-Armand-Auguste de Rohan-Soubise-Ventadour † | Titular Bishop of Ptolemais in Phoenicia | Cardinal, Bishop of Strasbourg, France |
| 24.7 | Confirmed | François-Armand-Auguste de Rohan-Soubise-Ventadour † | Coadjutor Bishop of Strasbourg, France | Cardinal, Bishop |
| 7 Aug | 71.6 | Died | Manuel Coutinho † | Bishop of Lamego, Portugal |
| 8 Aug | | Born | Mateus de Abreu Pereira † | Madère | Bishop of São Paulo, Brazil |
| 12 Aug | 35.9 | Ordained Bishop | Jean-Joseph Chapelle de Saint-Jean de Jumilhac † | Bishop of Vannes, France | Archbishop of Arles, France |
| 27 Aug | | Installed | Manuel Lopes Simões † | Bishop of Portalegre, Portugal |
| 8 Sep | 18.1 | Professed | Lothar Breidbach zu Bürresheim, O.S.B. † | Member of Order of Saint Benedict | Auxiliary Bishop of Fulda, Germany |
| Born | José Joaquim da Cunha Azeredo Coutinho † | São Salvador dos Campos dos Goytacazes | Bishop of Elvas, Portugal |
| 10 Sep | 60.7 | Installed | José Antonio Gutiérrez y Ceballos † | Archbishop of Lima, Peru |
| 15 Sep | | Born | Francisco Mateo Aguiriano Gómez † | Alexanco | Bishop of Calahorra y La Calzada, Spain |
| 22 Sep | 24.3 | Ordained Priest | Francisco Armañá Font, O.S.A. † | Priest of Order of St. Augustine | Archbishop of Tarragona, Spain |
| 23 Sep | 26.3 | Ordained Priest | Hermann Hannibal Reichsgraf von Blümegen † | Priest of Olomouc, Czech Republic | Bishop of Hradec Králové, Czech Republic |
| 55.7 | Appointed | Gaspar Miranda Argáiz † | Bishop of Pamplona, Spain |
| 24 Sep | 94.6 | Appointed | Francisco Ignacio Añoa Busto † | Archbishop of Zaragoza, Spain |
| 51.0 | Appointed | Miguel Vicente Cebrián Agustín † | Bishop of Córdoba, Spain |
| 50.7 | Appointed | Diego García Medrano † | Bishop of Segovia, Spain |
| 57.7 | Appointed | José Francisco Magdaleno † | Bishop of Coria, Spain |
| 6 Oct | 47.8 | Appointed | Ermest Amadeus Thomas Reichsgraf von Attems † | Bishop of Ljubljana, Slovenia |
| 7 Oct | 41.4 | Ordained Priest | Johann Philipp Reichsgraf von Waldendorff † | Priest of Trier, Germany | Archbishop |
| 10 Oct | | Born | Ercole Teresi † | Montemaggiore | Archbishop of Monreale, Italy |
| 11 Oct | | Born | Pedro Luis Ozta Múzquiz † | Elveta | Bishop of Calahorra y La Calzada, Spain |
| 15 Oct | | Born | José Jiménez † | Hinojosa de San Vicente | Bishop of Cartagena (en España) |
| 20 Oct | | Born | Vincenzo Rogadei, O.S.B. † | Bisceglia | Bishop of Caserta, Italy |
| 21 Oct | | Born | Veremundo Anselmo Arias Teixeiro † | Cabanelas, Spain | Archbishop of Valencia, Spain |
| 24.1 | Ordained Priest | Daniel Johann Anton Reichsritter von Gebsattel † | Priest of Würzburg, Germany | Auxiliary Bishop |
| 24 Oct | 59.6 | Died | Tomás Montaño y Aarón † | Bishop of Antequera, Oaxaca, México |
| 4 Nov | 50.8 | Ordained Bishop | Pedro Clemente de Aróstegui † | Coadjutor Archbishop of Toledo, Spain | Bishop of Osma, Spain |
| 24.9 | Ordained Bishop | François-Armand-Auguste de Rohan-Soubise-Ventadour † | Titular Bishop of Ptolemais in Phoenicia | Cardinal, Bishop of Strasbourg, France |
| 8 Nov | | Born | Andreas Joseph Fahrmann † | Zell | Auxiliary Bishop of Würzburg, Germany |
| 11 Nov | 55.8 | Ordained Bishop | Gaspar Miranda Argáiz † | Bishop of Pamplona, Spain |
| 22 Nov | | Born | Etienne-Célestin Enoch † | Hénin-Liétard | Bishop Emeritus of Rennes, France |
| 26 Nov | 60.1 | Appointed | Plácido Bailés Padilla, O.S.A. † | Bishop of Plasencia, Spain |
| 47.6 | Appointed | Biagio Chiarelli † | Bishop of Ravello, Italy |
| 39.3 | Appointed | Tomas Luiz da Conceição, O.A.D. † | Bishop of São Tomé e Príncipe |
| 54.7 | Appointed | João de Moreira, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 8 Dec | | Born | Francisco Leitão de Carvalho † | Lamego | Bishop of Beja, Portugal |
| 72.9 | Died | Filippo Carlo Spada † | Titular Patriarch of Alexandria of Egypt {Alessandria di Egitto} (-Eliopoli di Egitto-Port-Said) |
| 16 Dec | 50.9 | Ordained Bishop | Diego García Medrano † | Bishop of Segovia, Spain |
| 17 Dec | 48.0 | Confirmed | Ermest Amadeus Thomas Reichsgraf von Attems † | Bishop of Ljubljana, Slovenia |
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