| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Appointed | Fabrizio Antinoro † | Archbishop (Personal Title) of Siracusa, Italy | Bishop |
| Appointed | Hernando de Arias y Ugarte † | Archbishop of Lima, Peru |
| Born | Antoine-François Bertier † | Toulouse | Bishop of Rieux, France |
| Appointed | Henri de Béthune † | Bishop of Maillezais, France | Archbishop of Bordeaux, France |
| Born | Otto de la Bourde † | Cheb, Czech Republic | Bishop of Gurk, Austria |
| 86.0 | Died | Giovanni Ambrogio Caccia † | Bishop of Foreign Diocese |
| Born | Fortunato Ilario Carafa della Spina † | Naples | Cardinal, Bishop of Aversa, Italy |
| Born | Juan Cano Sandoval † | México | Bishop of Yucatán (Mérida), Yucatán, México |
| Born | Francisco de Lima (Lemos), O. Carm. † | Lisboa, Portugal | Bishop of Olinda, Brazil |
| Born | Estevão Brioso de Figueiredo † | Évora, Portugal | Bishop of Funchal, Portugal |
| Born | Antonio González de Acuña, O.P. † | Lima, Peru | Bishop of Caracas, Santiago de Venezuela |
| Born | Guillaume de La Brunetière du Plessis-Gesté † | Angers | Bishop of Saintes, France |
| Born | Juan Leyva † | Castro del Río | Bishop of Almería, Spain |
| Appointed | Roche MacGeoghegan, O.P. † | Bishop of Kildare, Ireland |
| Born | Guillaume Mahot, M.E.P. † | Argentan, France | Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| Born | Antonio Medina Cachon y Ponce de Leon † | Mayorga de Campos | Archbishop of Cartagena (en España) |
| Born | Gaspar Barata de Mendonça † | Lisboa, Portugal | Archbishop Emeritus of São Salvador da Bahia, Brazil |
| Born | François-Placide de Baudry de Piancourt, O.S.B. † | Evreux | Bishop of Mende, France |
| Born | Francisco Pizaro de Orellana † | Manila | Bishop of Nueva Segovia, Philippines |
| Born | Richard Russell † | Berkshire, Great Britain | Bishop of Viseu, Portugal |
| Born | Pedro de Salazar Gutiérrez de Toledo, O. de M. † | Málaga, Spain | Cardinal, Bishop of Córdoba, Spain |
| Born | Johannes Schmitzberger, O.S.B. † | Neukirchen | Auxiliary Bishop of Wien, Austria |
| 32.5 | Appointed | Ranuccio (Ranuzio) Scotti (Scotto) † | Apostolic Nuncio to Switzerland | Bishop Emeritus of Borgo San Donnino, Italy |
| Born | Claude de Saint-Georges † | Montceaux-l’Etoile | Archbishop of Lyon, France |
| Born | Stanisław Jacek Święcicki † | | Bishop of Chelm, Poland |
| Born | Jan Stanisław Witwicki † | | Bishop of Poznań, Poland |
| 4 Jan | 30.2 | Appointed | Carlo Emanuele Freiherr von Madruzzo † | Bishop of Trento, Italy |
| 7 Jan | 49.0 | Appointed | Jerónimo Manrique de Lara y de Herrera, O. de M. † | Bishop of Santiago de Cuba | Bishop of Santiago de Cuba |
| 9 Jan | 85.0 | Died | Juan de Zapata y Sandoval, O.S.A. † | Bishop of Guatemala (Santiago de Guatemala), Guatemala |
| 14 Jan | | Died | Juan de la Sal † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 19 Jan | 58.0 | Died | Eustachy Wołłowicz † | Bishop of Vilnius, Lithuania |
| 26 Jan | 36.9 | Appointed | Franz Wilhelm von Wartenberg † | Bishop of Verden, Germany | Cardinal, Bishop of Regensburg, Germany |
| 28 Jan | 47.2 | Confirmed | Anselm Casimir Wambold von Umstadt † | Archbishop of Mainz, Germany |
| 30 Jan | 43.2 | Appointed | Johann Fiernhammer † | Auxiliary Bishop of Freising, Germany |
| 76.1 | Died | Luis Jerónimo Oré, O.F.M. † | Bishop of Concepción, Chile |
| 5 Feb | | Died | Francisco Sotomayor, O.F.M. † | Archbishop of La Plata o Charcas, Bolivia |
| 8 Feb | | Born | Pierre-Daniel Huet † | Caen | Bishop Emeritus of Avranches, France |
| 11 Feb | 80.1 | Died | Lorenzo Monzonís Galatina, O.F.M. † | Archbishop (Personal Title) of Pozzuoli, Italy | Bishop |
| 12 Feb | 68.1 | Died | Gabriel Trejo y Paniagua † | Cardinal, Archbishop of Salerno, Italy |
| 14 Feb | | Installed | Hernando de Arias y Ugarte † | Archbishop of Lima, Peru |
| 28 Feb | | Died | Alonso Godina † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 18 Mar | | Appointed | Antonio Viedma Chaves, O.P. † | Coadjutor Bishop of Almería, Spain | Bishop |
| 22 Mar | 55.2 | Appointed | Agustin de Hinojosa y Montalvo, O.F.M. † | Bishop of León en Nicaragua |
| 23 Mar | | Born | Ignace Cotolendi † | Brignoles, France | Vicar Apostolic of Kiangnan, China |
| 24 Mar | | Born | José Sáenz de Aguirre, O.S.B. † | Logroño, Spain | Cardinal, Cardinal-Priest of S. Maria sopra Minerva |
| 22 Apr | 77.3 | Appointed | Martín Terrer Valenzuela, O.S.A. † | Archbishop of Zaragoza, Spain |
| 6 May | 24.3 | Ordained Priest | Maxmilián Rudolf Schleinitz † | Priest of Praha {Prague}, Czech Republic | Bishop of Litomĕrice, Czech Republic |
| 12 May | 26.7 | Appointed | François Adhémar de Monteil de Grignan † | Bishop of Saint-Paul-Trois-Châteaux, France | Archbishop of Arles, France |
| 13 May | 45.4 | Appointed | Martín de León Cárdenas, O.S.A. † | Bishop of Trivento, Italy | Archbishop of Palermo, Italy |
| 65.4 | Resigned | Laudivio Zacchia † | Bishop of Montefiascone, Italy | Cardinal, Bishop Emeritus |
| 18 May | 49.4 | Appointed | Ciriaco Rocci † | Apostolic Nuncio to Germany | Cardinal, Titular Archbishop of Patrae (Veters) |
| 20 May | 45.4 | Ordained Bishop | Martín de León Cárdenas, O.S.A. † | Bishop of Trivento, Italy | Archbishop of Palermo, Italy |
| 21 May | 30.5 | Installed | Carlo Emanuele Freiherr von Madruzzo † | Bishop of Trento, Italy |
| 1 Jun | | Born | Carlo Barberini † | Rome | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 21 Jun | | Died | Alsono Martín de Zuñiga † | Bishop of Osma, Spain |
| 25 Jun | 57.0 | Died | Guillaume Le Gouverneur † | Bishop of Saint-Malo, France |
| 2 Jul | 69.5 | Died | Afonso Furtado de Mendonça † | Archbishop of Lisboa, Portugal |
| 5 Jul | 47.5 | Died | Peter Wall † | Auxiliary Bishop of Augsburg, Germany |
| 6 Jul | | Born | Nicolò Acciaioli † | Florence | Cardinal, Cardinal-Bishop of Ostia (-Velletri) |
| 11 Jul | 44.5 | Died | Baltasar Borja † | Bishop of Mallorca, Spain |
| 13 Jul | | Died | Gaspard du Laurens, O.S.B. † | Archbishop of Arles, France |
| 14 Jul | 48.5 | Ordained Bishop | Georges Hammer † | Titular Bishop of Diocaesarea in Palaestina | Auxiliary Bishop of Magdeburg, Germany |
| 15 Jul | 50.1 | Appointed | Gaspar de Borja y Velasco † | Cardinal, Bishop of Albano, Italy |
| 50.1 | Appointed | Gaspar de Borja y Velasco † | Cardinal-Bishop of Albano | Cardinal, Bishop of Albano, Italy |
| 80.5 | Appointed | Domenico Ginnasi † | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 64.5 | Elevated to Cardinal | Diego Guzmán de Haros † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 52.5 | Appointed | Carlo Emmanuele Pio di Savoia † | Cardinal-Bishop of Porto e Santa Rufina | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 52.5 | Appointed | Carlo Emmanuele Pio di Savoia † | Bishop of Porto e Santa Rufina, Italy | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 17 Jul | 60.5 | Died | Tomás de la Torre Gibaja, O.P. † | Bishop of Córdoba (Tucumán), Argentina |
| 20 Jul | 46.6 | Appointed | Jean Jaubert de Barrault † | Archbishop of Arles, France |
| 50.6 | Appointed | Juan López de Agurto de la Mata † | Bishop of Puerto Rico (Porto Rico) | Bishop of Coro, Venezuela |
| 7 Aug | 69.6 | Installed | Francisco de Rivera y Pareja, O. de M. † | Bishop of Michoacán, Michoacán, México |
| 12 Aug | 63.8 | Appointed | José González Díez, O.P. † | Archbishop of Burgos, Spain |
| 64.4 | Appointed | Gregorio Parcero de Castro, O.S.B. † | Bishop of Perpignan-Elne, France | Bishop of Tortosa, Spain |
| 32.6 | Installed | Antonio Santacroce † | Cardinal-Priest of Ss. Nereo ed Achilleo | Cardinal, Archbishop Emeritus of Urbino, Italy |
| 16 Aug | 68.6 | Died | Miguel Pereira † | Bishop of São Salvador da Bahia, Brazil |
| 30 Aug | | Born | Johann Martin Reichsritter von Eyb † | Mörnsheim | Bishop of Eichstätt, Germany |
| 9 Sep | 33.0 | Appointed | Philipp Friedrich Reichsfreiherr von Breuner † | Auxiliary Bishop of Olomouc, Czech Republic | Bishop of Wien, Austria |
| 33.0 | Appointed | Philipp Friedrich Reichsfreiherr von Breuner † | Titular Bishop of Ioppe | Bishop of Wien, Austria |
| Appointed | Luis Córdoba Ronquillo, O.SS.T. † | Bishop of Cartagena, Colombia | Bishop of Trujillo, Peru |
| 15 Sep | 50.2 | Ordained Bishop | Gaspar de Borja y Velasco † | Cardinal, Bishop of Albano, Italy |
| 18 Sep | 78.6 | Died | Melchior Klesl † | Cardinal, Bishop of Wien, Austria |
| 51.0 | Confirmed | George Anton Reichsritter von Rodenstein † | Bishop of Worms, Germany |
| 23 Sep | 51.7 | Appointed | Gil Carrillo de Albornoz † | Archbishop of Taranto, Italy | Cardinal, Archbishop Emeritus |
| 35.2 | Appointed | Ulderico Carpegna † | Bishop of Gubbio, Italy | Cardinal, Bishop Emeritus of Todi, Italy |
| 49.7 | Appointed | Francisco Sánchez Villanueva y Vega † | Archbishop (Personal Title) of Mazara del Vallo, Italy | Bishop of Islas Canarias {Canary Islands}, Spain |
| 30 Sep | 65.7 | Died | Rafael Díaz de Cabrera, O.SS.T. † | Bishop of Mondoñedo, Spain |
| 2 Oct | 45.0 | Appointed | Domingo Pimentel Zúñiga, O.P. † | Bishop of Osma, Spain | Cardinal, Archbishop Emeritus of Sevilla {Seville}, Spain |
| 6 Oct | 51.8 | Ordained Bishop | Gil Carrillo de Albornoz † | Archbishop of Taranto, Italy | Cardinal, Archbishop Emeritus |
| Born | Luiz de Sousa † | Porto | Cardinal, Archbishop of Lisboa, Portugal |
| 7 Oct | 35.3 | Ordained Bishop | Ulderico Carpegna † | Bishop of Gubbio, Italy | Cardinal, Bishop Emeritus of Todi, Italy |
| 51.8 | Ordained Bishop | Giovanni Battista Scanaroli (Scannaroli) † | Titular Bishop of Sidon |
| 16 Oct | 66.8 | Died | Carlos Marcelo Corni Velazquez † | Bishop of Trujillo, Peru |
| 23 Oct | 33.8 | Appointed | Agustín Spínola Basadone † | Archbishop of Santiago de Compostela, Spain | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 31 Oct | 54.8 | Died | Julián de Cortázar † | Archbishop of Santafé en Nueva Granada, Colombia |
| 6 Nov | | Born | Alfonso Pacella (Pacelli) † | Balvano | Bishop of Muro Lucano, Italy |
| 13 Nov | | Appointed | Miguel Santos de Sampedro † | Archbishop of Granada, Spain |
| 50.9 | Appointed | Giandomenico Spinola † | Archbishop of Acerenza e Matera, Italy | Cardinal, Archbishop of Mazara del Vallo, Italy |
| 27 Nov | | Born | Sigmund Franz Erzherzog von Österreich † | Innsbruck | Bishop Emeritus of Augsburg, Germany |
| 30 Nov | 49.9 | Installed | Jerónimo Manrique de Lara y de Herrera, O. de M. † | Bishop of Santiago de Cuba | Bishop of Santiago de Cuba |
| 2 Dec | | Appointed | Pedro Herrera Suárez, O.P. † | Bishop of Tarazona, Spain |
| Appointed | Cristóbal Lobera Torres † | Bishop of Plasencia, Spain |
| Appointed | Agustín de Ugarte y Sarabia † | Bishop of Guatemala (Santiago de Guatemala), Guatemala | Bishop of Quito, Ecuador |
| 5 Dec | 60.9 | Died | Friedrich Förner † | Auxiliary Bishop of Bamberg, Germany |
| 9 Dec | | Born | Louis Aube de Roquemartine † | Arles | Bishop of Saint-Paul-Trois-Châteaux, France |
| 12 Dec | 33.9 | Appointed | Victor Le Bouthilier † | Coadjutor Archbishop of Tours, France | Archbishop |
| 16 Dec | 27.3 | Confirmed | François Adhémar de Monteil de Grignan † | Bishop of Saint-Paul-Trois-Châteaux, France | Archbishop of Arles, France |
| 61.0 | Appointed | Antonio Corderina Vega, O.S.A. † | Bishop of Santa Marta, Colombia | Bishop of Ayacucho o Huamanga, Peru |
| 55.1 | Appointed | Pedro Puigmartí Funes, O.S.B. † | Bishop of Solsona, Spain |
| Appointed | Bernardino de Senis (Sena; Senna), O.F.M. † | Bishop of Viseu, Portugal |