| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Died | Beltramino Beltramini † | Bishop of Terracina, Priverno e Sezze, Italy |
| Died | Matteo Barbabianca † | Bishop of Pula (Pola), Croatia |
| Born | Franciscus Buratti, O.P. † | | Bishop of Vulturara e Montecorvino, Italy |
| Born | Luis Camargo Pacheco † | Sevilla | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Born | Luigi Capponi † | Florence | Cardinal, Archbishop Emeritus of Ravenna, Italy |
| Appointed | Luca Cardino † | Bishop of Terracina, Priverno e Sezze, Italy |
| Born | Angelus Maria Cittadini, O. Cart. † | Yucatan | Archbishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia |
| Born | Johann Nikolaus Claessens † | Venray | Auxiliary Bishop of Münster, Germany |
| Died | Rinaldo Corso † | Bishop of Strongoli, Italy |
| Died | Bonifacio Destefanis, O.F.M. † | Bishop of Stagno (Ston), Croatia |
| Died | François de Lambert † | Bishop of Nice, France |
| Born | Alphonse-Louis du Plessis de Richelieu, O. Cart. † | Paris | Cardinal, Archbishop of Lyon, France |
| 21.0 | Professed | Francisco de Rivera y Pareja, O. de M. † | Member of Order of Our Lady of Mercy | Bishop of Michoacán, México |
| Born | Filippo Filonardi † | Bauco | Cardinal, Bishop Emeritus of Aquino, Italy |
| Born | Francesco Andrea Gelsomino, O.S.A. † | Cortonae | Bishop of Ascoli Satriano, Italy |
| Born | Andrea Gervasi † | | Archbishop of Lanciano, Italy |
| Born | Georg Hammer † | Rheinzabern | Auxiliary Bishop of Magdeburg, Germany |
| Appointed | Denis Hurault † | Coadjutor Bishop of Orléans, France | Former Bishop-Elect |
| Born | Sébastien Le Bouthilier † | | Bishop of Aire, France |
| Appointed | Giulio Cesare Mariconda, O.F.M. † | Bishop of Trivento, Italy |
| Died | Angelo de Marzi Medici † | Bishop of Marsico Nuovo, Italy |
| Born | Francesco Maria de Marra † | Napoli | Bishop of Ascoli Satriano, Italy |
| Succeeded | Giovanni Domenico Marcot (Malcoto detto Foconio), O.P. † | Archbishop of Split (Spalato), Croatia |
| Born | Camillo Melzi † | Milan | Cardinal, Archbishop of Capua, Italy |
| Born | Alfonso Mendes, S.J. † | | Patriarch of Ethiopia |
| Died | Alvise Michiel † | Archbishop of Split (Spalato), Croatia |
| Born | Charles de Nouailles † | | Bishop of Rodez, France |
| Resigned | Thomas Pobel † | Bishop of Saint-Paul-Trois-Châteaux, France | Bishop Emeritus |
| Born | (Thomas) Alfonso Pozzi † | Piacenza | Bishop of Borgo San Donnino, Italy |
| Born | Alessandro Rauli † | Anagniae | Bishop of Vico Equense, Italy |
| Died | Giovanni Retana † | Archbishop of Messina, Italy |
| Born | Giovanni Battista Roviglioni † | | Bishop of Troia, Italy |
| Born | Federico Sandri-Trotti † | Fossani | Bishop of Fossano, Italy |
| Born | Andreas de Sauzay † | | Titular Bishop of Bethleem |
| Born | Diego Serrano Sotomayor, O. de M. † | Chillón | Bishop of Guadix, Spain |
| Died | Jan Sieniński † | Archbishop of Lviv, Ukraine |
| Born | Johannes Kaspar Stredele † | Wien | Auxiliary Bishop of Passau, Germany |
| Born | Vincenzo Agnello Suardi † | Mantova | Bishop of Mantova, Italy |
| Born | Juan Vélez de Valdivielso † | Hoz | Bishop of Cartagena (en España) |
| Born | Francesco Vitelli † | Città di Castello | Archbishop of Urbino, Italy |
| 502.0 | Canonized | St. Norbert of Xanten † | Archbishop of Magdeburg, Germany |
| 8 Jan | | Appointed | Lorenzo Campeggi † | Bishop of Cervia, Italy |
| Appointed | Orazio Malaspina † | Bishop of Albenga, Italy |
| 21 Jan | | Ordained Bishop | Marcos de Betania, O.F.M. † | Bishop of Porto, Portugal |
| 23 Jan | 52.1 | Installed | Amador Arrais (de Mondoza), O. Carm. † | Bishop of Portalegre, Portugal | Bishop Emeritus |
| 26 Jan | | Appointed | Alberto Pomerio, O.F.M. † | Auxiliary Bishop of Huesca, Spain |
| Appointed | Alessandro Ravadio † | Bishop of Nicastro, Italy |
| 31.5 | Appointed | Silvio Savelli † | Archbishop of Rossano, Italy | Cardinal, Cardinal-Priest of Santa Maria in Via |
| 57.1 | Confirmed | Johann von Schönenberg † | Archbishop of Trier, Germany |
| 27 Jan | | Died | Ippolito Bosco † | Bishop of Foligno, Italy |
| 29 Jan | 36.2 | Resigned | Hermann von Schaumberg † | Bishop-Elect of Minden, Germany | Former Bishop-Elect |
| 31 Jan | | Appointed | Troilo Boncompagni † | Bishop of Foligno, Italy |
| Appointed | Nicolò Orazi † | Bishop of Catanzaro, Italy |
| Feb | | Died | Orazio Malaspina † | Bishop of Albenga, Italy |
| 17.3 | Appointed | Heinrich Julius von Braunschweig-Lüneburg † | Bishop of Minden, Germany | Former Bishop-Elect of Halberstadt, Germany |
| 8 Feb | | Died | Nicola Perusco † | Bishop of Civita Castellana e Orte, Italy |
| 14 Feb | | Appointed | Scipione Bozzuti † | Bishop of Lucera, Italy |
| 15 Feb | 58.9 | Installed | Rodrigo de Castro Osorio (de Lemos) † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 16 Feb | | Died | Alessandro Casale † | Bishop of Vigevano, Italy |
| 23 Feb | 67.8 | Resigned | Bl. Bartolomé Fernandes dos Mártires, O.P. † | Archbishop of Braga, Portugal | Archbishop Emeritus |
| Mar | | Born | Ottavio Ridolfi † | Rome | Cardinal, Bishop of Agrigento (Girgenti), Italy |
| Born | Pedro Tapia, O.P. † | Villorios | Archbishop of Sevilla {Seville}, Spain |
| 5 Mar | | Appointed | Fabio Maranta † | Bishop of Calvi Risorta, Italy |
| 6 Mar | | Born | Bartolomé Santos de Risoba † | Saldaña | Bishop of Sigüenza, Spain |
| 8 Mar | | Resigned | Antonio de Zayas, O.F.M. † | Bishop of Nicaragua | Bishop Emeritus |
| 14 Mar | | Appointed | Pierre de Faur † | Bishop of Lavaur, France |
| 64.1 | Appointed | Godfried von Mierlo, O.P. † | Auxiliary Bishop of Münster, Germany | Bishop of Haarlem, Netherlands |
| 19 Mar | 50.2 | Ordained Bishop | Pedro Fernández Temiño † | Bishop of Avila, Spain |
| Appointed | Antonio Rodríguez de Pazos y Figueroa † | Bishop of Córdoba, Spain |
| 22 Mar | 60.0 | Died | Daniel Brendel von Homburg † | Archbishop of Mainz, Germany |
| 25 Mar | | Ordained Bishop | Peter von Rascher † | Bishop of Chur, Switzerland |
| 28 Mar | | Appointed | Luca Fieschi † | Bishop of Albenga, Italy |
| Appointed | Thomas Strong † | Bishop of Ossory, Ireland | Auxiliary Bishop of Santiago de Compostela, Spain |
| 2 Apr | | Appointed | Andrea Longo † | Bishop of Civita Castellana e Orte, Italy |
| 8 Apr | 36.3 | Ordained Bishop | Stanisław Rozrażewski † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 18 Apr | | Died | Balduino de Balduinis † | Bishop of Aversa, Italy |
| 20 Apr | 44.3 | Selected | Wolfgang Kämmerer von Dalberg † | Archbishop of Mainz, Germany |
| 27 Apr | 50.3 | Appointed | Bl. Conor O’Devany, O.F.M. † | Bishop of Down and Connor, Ireland |
| Appointed | Domenico Petrucci † | Bishop of Strongoli, Italy | Bishop of Bisignano, Italy |
| Appointed | Peter Power † | Bishop of Ferns, Ireland |
| Appointed | Luca Antonio Resta † | Bishop of Andria, Italy |
| 30 Apr | 67.2 | Appointed | György Draskovics † | Cardinal, Archbishop of Kalocsa, Hungary |
| May | | Born | Urbano Feliceo † | Aquilae | Bishop of Policastro, Italy |
| 13 May | 50.4 | Ordained Bishop | Bl. Conor O’Devany, O.F.M. † | Bishop of Down and Connor, Ireland |
| Ordained Bishop | Peter Power † | Bishop of Ferns, Ireland |
| Ordained Bishop | Thomas Strong † | Bishop of Ossory, Ireland | Auxiliary Bishop of Santiago de Compostela, Spain |
| 16 May | | Appointed | Georgius Manzolus † | Bishop of Aversa, Italy |
| Appointed | Nicola Stridoni, O. Crucif. † | Bishop of Mylopotamos, Greece |
| 18 May | 63.4 | Died | Wilhelm von Ketteler † | Former Bishop-Elect of Münster, Germany |
| 21 May | | Appointed | Ottaviano Capece † | Bishop of Nicotera, Italy |
| 30 May | | Born | Antonio Ricciulli † | Rogliano | Archbishop of Cosenza, Italy |
| 9 Jun | 36.6 | Ordained Priest | Bl. Giovanni Giovenale Ancina, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Bishop of Saluzzo, Italy |
| 17 Jun | | Ordained Bishop | Domenico Petrucci † | Bishop of Strongoli, Italy | Bishop of Bisignano, Italy |
| Ordained Bishop | Nicola Stridoni, O. Crucif. † | Bishop of Mylopotamos, Greece |
| 18 Jun | | Appointed | Gaspare Silingardi † | Bishop of Ripatransone, Italy | Bishop of Modena, Italy |
| 25 Jun | | Died | Giovanni Battista Soriani, O. Carm. † | Bishop of Bisceglie, Italy |
| 2 Jul | | Died | Sébastien de L’Aubespine † | Bishop of Limoges, France |
| 6 Jul | 50.5 | Appointed | Domingo de Alzola, O.P. † | Bishop of Guadalajara, Jalisco, México |
| 50.1 | Appointed | Juan Alonso Moscoso † | Bishop of Guadix, Spain | Bishop of Málaga, Spain |
| 9 Jul | | Born | Anton Wolfradt † | Colonia | Bishop of Wien, Austria |
| 20 Jul | | Appointed | Leonard Abel † | Titular Bishop of Sidon |
| 26 Jul | 60.6 | Appointed | Juan de Liermo Hermosa † | Archbishop of Santiago de Compostela, Spain |
| 1 Aug | 20.3 | Appointed | Charles Bourbon de Vendôme † | Coadjutor Archbishop of Rouen, France | Cardinal, Archbishop-Elect |
| 12 Aug | | Ordained Bishop | Alfonso Guerra, O.M. † | Bishop of Paraguay | Bishop of Michoacán, México |
| 57.6 | Ordained Bishop | Johann von Schönenberg † | Archbishop of Trier, Germany |
| 13 Aug | | Died | Giovanni Battista Alamanni † | Bishop of Mâcon, France |
| 16 Aug | | Died | Gil Ruiz de Lihori, C.R.S.A. † | Bishop of Segorbe, Spain |
| 19 Aug | | Ordained Bishop | Leonard Abel † | Titular Bishop of Sidon |
| 30 Aug | | Died | Jacques Corneillan † | Bishop of Rodez, France |
| 3 Sep | 44.7 | Confirmed | Wolfgang Kämmerer von Dalberg † | Archbishop of Mainz, Germany |
| 9 Sep | | Ordained Bishop | Gaspare Silingardi † | Bishop of Ripatransone, Italy | Bishop of Modena, Italy |
| 25 Sep | | Died | Martino de Martinis, S.J. † | Bishop of San Severo, Italy |
| Born | Eitel Friedrich von Hohenzollern-Sigmaringen † | Sigmaringen | Cardinal, Bishop of Osnabrück, Germany |
| Oct | | Died | António Pinheiro † | Bishop of Leiria, Portugal |
| 16 Oct | | Died | Antonio de Zayas, O.F.M. † | Bishop Emeritus of Nicaragua |
| 19 Oct | 50.8 | Ordained Bishop | Domingo de Alzola, O.P. † | Bishop of Guadalajara, Jalisco, México |
| 28 Oct | 63.2 | Died | Vincenzo Giustiniani, O.P. † | Cardinal, Cardinal-Priest of Santa Sabina |
| 5 Nov | 69.8 | Appointed | Bernardino Bricennio (Brisseno) † | Bishop of Vigevano, Italy |
| 81.8 | Resigned | Georges d’Armagnac † | Administrator of Toulouse, France | Cardinal, Archbishop Emeritus of Tours, France |
| 8 Nov | 38.9 | Appointed | Andrés Cabrera Bobadilla † | Bishop of Segovia, Spain | Archbishop of Zaragoza, Spain |
| Appointed | Gómez Zapata † | Bishop of Cuenca, Spain |
| 21 Nov | | Died | Pierre de Faur † | Bishop of Lavaur, France |
| 30 Nov | | Born | Anselm Casimir Wambold von Umstadt † | | Archbishop of Mainz, Germany |
| 10 Dec | 60.2 | Appointed | Gabriele Paleotti † | Cardinal, Archbishop of Bologna, Italy |
| 20 Dec | | Appointed | Isidoro Caja de la Jara † | Bishop of Mondoñedo, Spain |
| 26 Dec | | Died | Diego Torquemada † | Bishop of Tui, Spain |
| 31 Dec | | Born | Peter Wall † | Dillingen | Auxiliary Bishop of Augsburg, Germany |