| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | 65.0 | Ordained Bishop | Diego Aduarte, O.P. † | Bishop of Nueva Segovia, Philippines |
| Died | Iñigo de Avalos † | Bishop of Ischia, Italy |
| Born | Armand de Béthune † | Paris | Bishop of Le Puy-en-Velay, France |
| 33.0 | Ordained Priest | Maciej Bystram † | Priest | Auxiliary Bishop of Chelmno (Culma), Poland |
| Born | Federico Caccia † | Milan | Cardinal, Archbishop of Milano {Milan}, Italy |
| 57.3 | Appointed | Rodrigo da Cunha † | Archbishop of Lisboa, Portugal | Bishop of Porto, Portugal |
| Appointed | Ettore Diotallevi † | Bishop of Fano, Italy |
| 23.0 | Ordained Priest | Gregório dos Anjos, C.S.J. † | Priest | Bishop of São Luís do Maranhão, Brazil |
| 57.0 | Died | Jean-François de Sales † | Bishop of Genève {Geneva}, Switzerland |
| Born | Juan González Santiago † | Salamanca, Spain | Bishop of Cuzco, Peru |
| Born | Antonio Ibáñez de la Riva Herrera † | Solares | Archbishop of Zaragoza, Spain |
| 50.0 | Appointed | Cornelius Janssen † | Bishop of Ypres (Ieper), Belgium |
| Appointed | Francisco de la Serna, O.S.A. † | Bishop of Paraguay | Bishop of La Paz, Bolivia |
| Appointed | Giacobino Marenco † | Bishop of Foreign Diocese | Bishop of Saluzzo, Italy |
| Born | Juan Queipo de Llano y Valdés † | Spain | Archbishop of La Plata o Charcas, Bolivia |
| Born | Gabriel de Saint-Estève † | Navarre | Bishop of (Saint-Lizier de) Couserans, France |
| 7 Jan | 47.0 | Ordained Bishop | Wolther Heinrich Freiherr von Strevesdorff † | Titular Bishop of Ascalon | Auxiliary Bishop of Mainz, Germany |
| 8 Jan | 67.5 | Appointed | Pedro Apaolaza Ramírez, O.S.B. † | Archbishop of Zaragoza, Spain |
| 35.9 | Appointed | Fabio Chigi † | Bishop of Nardò, Italy | Pope (Roma {Rome}, Italy) |
| 61.0 | Appointed | Cristóbal de Torres, O.P. † | Archbishop of Santafé en Nueva Granada, Colombia |
| Born | Luis Manuel Fernández de Portocarrero-Bocanegra y Moscoso-Osorio † | Palma del Río | Cardinal, Archbishop of Toledo, Spain |
| 11 Jan | 60.6 | Appointed | Juan Alonso de Solis y Mendoza, O. Carm. † | Bishop of Puerto Rico (Porto Rico) |
| 19 Jan | | Died | Jodok Wagenhauer † | Auxiliary Bishop of Würzburg, Germany |
| 28 Jan | | Appointed | Gaspard de Daillon du Lude † | Bishop of Albi, France |
| 30 Jan | 38.4 | Appointed | Antonio Marenzi † | Bishop of Pedena, Austria | Bishop of Trieste, Italy |
| 12 Feb | | Appointed | Miguel Juan Balaguer Camarasa † | Bishop of Malta |
| 42.8 | Resigned | Francesco Maria Brancaccio † | Bishop of Capaccio, Italy | Cardinal, Bishop of Porto e Santa Rufina, Italy |
| 18 Feb | | Ordained Bishop | Miguel Juan Balaguer Camarasa † | Bishop of Malta |
| 3 Mar | 23.3 | Ordained Priest | Franz Johann Reichsfreiherr von Vogt von Altensumerau und Prasberg † | Priest of Konstanz {Constance}, Germany | Bishop |
| 27 Mar | 79.7 | Died | Pedro Ginés Casanova † | Bishop of Sant’Angelo dei Lombardi-Bisaccia, Italy | Bishop of Segorbe, Spain |
| 22 Apr | 54.3 | Died | Roberto Ubaldini † | Cardinal, Bishop Emeritus of Montepulciano, Italy |
| 27 Apr | 84.6 | Died | Antonio Zapata Cisneros † | Cardinal, Archbishop of Burgos, Spain |
| May | | Born | Ludovico Masdoni † | Finale | Bishop of Modena, Italy |
| 6 May | | Ordained Bishop | Gaspar Gil y Miravete de Blancas † | Bishop of Vic, Spain |
| 7 May | 57.6 | Appointed | Guido Bentivoglio d'Aragona † | Cardinal-Priest of S. Prassede | Cardinal, Cardinal-Bishop of Palestrina |
| Appointed | Cristóbal de la Cámara y Murga † | Bishop of Salamanca, Spain |
| 17 May | 72.4 | Died | Diego Vela Becerril † | Bishop of Tui, Spain |
| 4 Jun | 53.4 | Installed | Alphonse-Louis du Plessis de Richelieu † | Cardinal-Priest of SS. Trinità al Monte Pincio | Cardinal, Archbishop of Lyon, France |
| 6 Jun | 29.8 | Ordained Priest | Marquard Reichsgraf von Schenk von Castell † | Priest of Eichstätt, Germany | Bishop |
| 27 Jun | 47.5 | Installed | Melchor Maldonado y Saavedra, O.S.A. † | Bishop of Córdoba (Tucumán), Argentina |
| Jul | 61.5 | Ordained Bishop | Cristóbal de Torres, O.P. † | Archbishop of Santafé en Nueva Granada, Colombia |
| 1 Jul | 36.4 | Ordained Bishop | Fabio Chigi † | Bishop of Nardò, Italy | Pope (Roma {Rome}, Italy) |
| 9 Jul | 49.7 | Appointed | Juan Cebrián Pedro, O. de M. † | Bishop of Teruel, Spain | Archbishop of Zaragoza, Spain |
| 54.5 | Appointed | Francisco Sánchez Villanueva y Vega † | Archbishop (Personal Title) of Islas Canarias {Canary Islands}, Spain | Bishop |
| Appointed | Francisco Vega Borja, O.S.B. † | Archbishop of La Plata o Charcas, Bolivia |
| 16 Jul | | Died | Francisco Romero, O. Carm. † | Bishop of Vigevano, Italy |
| 22 Jul | 48.6 | Ordained Bishop | Gaspard Nemius (Dubois) † | Bishop | Archbishop of Cambrai, France |
| Born | Albert Ernst Reichsgraf von Wartenberg † | München | Auxiliary Bishop of Regensburg, Germany |
| 25 Jul | | Died | Fabrizio Antinoro † | Bishop of Siracusa, Italy |
| 13 Aug | 43.2 | Appointed | Bernardo Caballero Paredes † | Bishop of Lérida, Spain | Bishop of Oviedo, Spain |
| 54.6 | Appointed | Ciriaco Rocci † | Cardinal-Priest of S. Salvatore in Lauro | Cardinal, Titular Archbishop of Patrae (Veters) |
| 14 Aug | 52.6 | Appointed | Andrzej Szołdrski † | Bishop of Przemyśl, Poland | Bishop of Poznań, Poland |
| 16 Aug | 51.6 | Died | Juan Arauz Díaz, O.F.M. † | Bishop of Guadix, Spain |
| 5 Sep | 38.0 | Ordained Bishop | Philipp Friedrich Reichsfreiherr von Breuner † | Titular Bishop of Ioppe | Bishop of Wien, Austria |
| 16 Sep | 70.3 | Died | Juan Roco Campofrío, O.S.B. † | Bishop of Coria, Spain |
| 49.7 | Resigned | Giulio Cesare Sacchetti † | Bishop of Fano, Italy | Cardinal, Prefect of the Congregation of the Council |
| 1 Oct | 50.4 | Appointed | Diego Arce Reinoso † | Bishop of Tui, Spain | Bishop Emeritus of Plasencia, Spain |
| 4 Oct | | Born | Godefroid-Udalric de la Margelle † | Eysden | Auxiliary Bishop of Köln {Cologne}, Germany |
| 11 Oct | 52.8 | Ordained Bishop | Andrzej Szołdrski † | Bishop of Przemyśl, Poland | Bishop of Poznań, Poland |
| 27 Oct | | Installed | Ettore Diotallevi † | Bishop of Fano, Italy |
| 29 Oct | | Died | Ambrosio Vallejo Mejía, O. Carm. † | Bishop of Trujillo, Peru |
| 7 Nov | | Died | Pedro Miguel Valsorga † | Coadjutor Bishop of Huesca, Spain |
| 11 Nov | 64.9 | Died | Paul Boudot † | Bishop of Arras, France |
| 17 Nov | | Appointed | Vicente Domec † | Bishop of Albarracin, Spain |
| 3 Dec | 57.9 | Appointed | Cristóbal de Aresti Martínez de Aguilar, O.S.B. † | Bishop of Buenos Aires, Argentina |
| Appointed | Gabriel Ortiz Sotomayor † | Bishop of Badajoz, Spain |
| 53.9 | Appointed | Diego Serrano Sotomayor, O. de M. † | Bishop of Solsona, Spain | Bishop of Guadix, Spain |
| 55.9 | Appointed | Mauro de Villarroel, O.S.B. † | Bishop of Jaca, Spain |
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