| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 66.0 | Died | Diego Aduarte, O.P. † | Bishop of Nueva Segovia, Philippines |
| Died | Nicola Bellolatto † | Bishop of Bisceglie, Italy |
| Appointed | Dinis de Melo e Castro † | Bishop of Viseu, Portugal | Bishop of Guarda, Portugal |
| 50.0 | Died | Luis Jiménez, O. de M. † | Bishop of Ugento, Italy |
| 47.0 | Appointed | Jan Lipski † | Bishop of Chelmno (Culma), Poland | Archbishop of Gniezno, Poland |
| Appointed | Jorge de Melo † | Bishop of Coimbra, Portugal |
| Appointed | Piotr Parczewski † | Bishop of Smoleńsk, Poland | Bishop of Samogizia o Tels (Zmudz), Lithuania |
| Appointed | Alain de Solminihac, O.S.A. † | Bishop of Cahors, France |
| 56.0 | Ordained Bishop | Mauro de Villarroel, O.S.B. † | Bishop of Jaca, Spain |
| 59.0 | Ordained Bishop | Diego de Zambrana de Villalobos y Cordero † | Bishop of Concepción, Chile | Bishop of Santiago de Chile |
| 7 Jan | 58.0 | Appointed | Juan García Arlés † | Bishop of Orihuela, Spain |
| 28 Jan | | Appointed | Juan Dionisio Fernández Portocarrero † | Bishop of Guadix, Spain | Bishop of Cádiz, Spain |
| 1 Feb | 40.1 | Appointed | Johann Flugi † | Bishop of Chur, Switzerland |
| 3 Feb | 50.8 | Ordained Bishop | Diego Arce Reinoso † | Bishop of Tui, Spain | Bishop Emeritus of Plasencia, Spain |
| 16 Feb | | Born | Gottfried Freiherr Kapaun von Swoykow † | Hradec Králové | Bishop of Hradec Králové, Czech Republic |
| 18 Feb | | Appointed | Leonel de Cervantes y Caravajal † | Bishop of Antequera, Oaxaca, México |
| Appointed | Juan Bautista Pellicer † | Bishop of Segorbe, Spain |
| 57.5 | Appointed | Gaspar Prieto Orduña, O. de M. † | Bishop of Perpignan-Elne, France |
| 25 Feb | | Ordained Bishop | Gabriel Ortiz Sotomayor † | Bishop of Badajoz, Spain |
| 23 Mar | 54.2 | Ordained Bishop | Diego Serrano Sotomayor, O. de M. † | Bishop of Solsona, Spain | Bishop of Guadix, Spain |
| 14 Apr | 62.3 | Died | Tiberio Muti † | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 1 May | 56.3 | Resigned | Diego Castejón Fonseca † | Bishop of Lugo, Spain | Bishop of Tarazona, Spain |
| 14 May | 44.4 | Appointed | Alessandro Cesarini (Jr.) † | Bishop of Viterbo e Tuscania, Italy | Cardinal, Bishop Emeritus |
| 19 May | | Died | Pedro Cifuentes Loarte † | Bishop of Avila, Spain |
| 25 May | 44.4 | Ordained Bishop | Alessandro Cesarini (Jr.) † | Bishop of Viterbo e Tuscania, Italy | Cardinal, Bishop Emeritus |
| 58.4 | Ordained Bishop | Juan García Arlés † | Bishop of Orihuela, Spain |
| 9 Jun | | Appointed | Martín Carrillo Alderete † | Bishop of Osma, Spain | Archbishop of Granada, Spain |
| 38.4 | Appointed | Antonio Santacroce † | Archbishop of Urbino, Italy | Cardinal, Archbishop Emeritus |
| 54.4 | Appointed | Juan Vélez de Valdivielso † | Bishop of Lugo, Spain | Bishop of Cartagena (en España) |
| 23 Jun | 58.5 | Appointed | Antonio Valdés Herrera † | Bishop of Oviedo, Spain | Bishop of Córdoba, Spain |
| 13 Jul | | Died | Alfonso Mesía de Tovar † | Bishop of Astorga, Spain |
| 20 Jul | 75.0 | Died | Francisco Verdugo Cabrera † | Bishop of Ayacucho o Huamanga, Peru |
| 21 Jul | 55.6 | Appointed | Juan Sánchez Duque de Estrada † | Bishop of Guadalajara, Jalisco, México | Bishop of Trujillo, Peru |
| 53.6 | Appointed | Andrzej Szołdrski † | Bishop of Poznań, Poland |
| 3 Aug | 76.6 | Died | Gonzalo de Salazar, O.S.A. † | Bishop of Yucatán (Mérida), Yucatán, México |
| 4 Aug | | Died | Lopo de Sequeira Pereira † | Bishop of Guarda, Portugal |
| 1 Sep | 62.2 | Confirmed | Juan Alonso de Solis y Mendoza, O. Carm. † | Bishop of Puerto Rico (Porto Rico) |
| 9 Sep | 75.1 | Appointed | Francisco Verdugo Cabrera † | Archbishop of México, Federal District | Bishop of Ayacucho o Huamanga, Peru |
| 12 Sep | 51.7 | Died | Giovanni Pietro Volpi † | Bishop of Novara, Italy |
| 14 Sep | 40.8 | Confirmed | Johann Flugi † | Bishop of Chur, Switzerland |
| 22 Sep | 42.7 | Appointed | Zacharias Stumpf † | Auxiliary Bishop of Würzburg, Germany |
| 42.7 | Appointed | Zacharias Stumpf † | Titular Bishop of Domitiopolis | Auxiliary Bishop of Würzburg, Germany |
| 50.7 | Appointed | Blas Tineo Palacios, O. de M. † | Auxiliary Bishop of Granada, Spain |
| 25 Sep | 53.7 | Installed | Andrzej Szołdrski † | Bishop of Poznań, Poland |
| 28 Sep | 54.7 | Ordained Bishop | Juan Vélez de Valdivielso † | Bishop of Lugo, Spain | Bishop of Cartagena (en España) |
| 23 Nov | 66.3 | Died | Franz Seraph von Dietrichstein † | Cardinal, Archbishop of Olomouc, Czech Republic |
| 29 Nov | 43.7 | Ordained Priest | Franz Wilhelm Reichsgraf von Wartenberg † | Priest of Osnabrück, Germany | Cardinal, Bishop of Regensburg, Germany |
| 1 Dec | 56.9 | Appointed | Giandomenico Spinola † | Archbishop of Mazara del Vallo, Italy | Cardinal, Archbishop |
| 8 Dec | 43.8 | Ordained Bishop | Franz Wilhelm Reichsgraf von Wartenberg † | Bishop of Osnabrück, Germany | Cardinal, Bishop of Regensburg, Germany |
| 14 Dec | 41.0 | Ordained Bishop | Johann Flugi † | Bishop of Chur, Switzerland |
| 15 Dec | 57.9 | Appointed | Antonio Tornielli † | Bishop of Novara, Italy |
| 21 Dec | | Died | Antonio Trejo de Sande, O.F.M. † | Bishop of Cartagena (en España) |