| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Died | Giovanni Battista Acquaviva † | Bishop of Nardò, Italy |
| Born | Antonio (Marcello) Barberini (Sr.), O.F.M. Cap. † | Florence | Cardinal, Major Penitentiary of the Apostolic Penitentiary |
| Died | Pierre de Barrault † | Bishop of Lodève, France |
| Born | Mendo de Benavides † | Santisteban del Puerto | Bishop of Cartagena (en España) |
| Born | Carlo Bornio † | | Bishop of Castro di Puglia, Italy |
| Born | Alberto Caccano, O.P. † | Panormi | Bishop of Lipari, Italy |
| Born | Eusebius Caimus † | Utinen | Bishop of Novigrad (Cittanova), Croatia |
| Died | Camillo Campeggi, O.P. † | Bishop of Nepi e Sutri, Italy |
| Died | Gaspare Capris † | Bishop of Asti, Italy |
| Resigned | William Chisholm † | Bishop of Dunblane, Scotland, Great Britain | Former Administrator of Vaison, France |
| Died | Marcello Dentice † | Bishop of Termoli, Italy |
| Born | Giacomo Della Rocca † | | Bishop of Termia (Thermae), Greece |
| Born | Paolo Faraone † | Messanae | Bishop of Siracusa, Italy |
| Died | Giacomo Framarini † | Bishop Emeritus of Polignano (Polinianum), Italy |
| Resigned | Girolamo Federici † | Bishop of Martirano (Martoranum), Italy | Bishop Emeritus |
| Born | Miguel García Serrano, O.S.A. † | Chinchón, Spain | Archbishop of Manila, Philippines |
| Born | Miguel Angulo Gómez de Carvajal, O.S. † | Casarrubias del Monte | Auxiliary Bishop of Valencia, Spain |
| Born | Ambrogio Gozzeo, O.P. † | | Bishop of Stagno (Ston), Croatia |
| Born | Agostino Gradenigo † | Venezia | Patriarch of Aquileia, Italy |
| Died | Francesco Guarini † | Bishop of Imola, Italy |
| Born | Marcello Lante della Rovere † | Rome | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| Died | Andrea Mocenigo † | Bishop of Nemosia (Limasol), Greece |
| Born | Lucio de Morra † | | Archbishop of Otranto, Italy |
| 59.0 | Resigned | Nicolaas van Nieuwland † | Bishop of Haarlem, Netherlands | Bishop Emeritus |
| Died | Terence O’Brien † | Bishop of Killaloe, Ireland |
| Born | Michael Ophovius, O.P. † | Bois-le-Duc | Bishop of ’s Hertogenbosch (Bois-le-Duc), Netherlands |
| Ordained Bishop | Andrés Pérez † | Bishop of Ciudad Rodrigo, Spain |
| Died | Mateo Pinello † | Bishop of Cuzco, Peru |
| Appointed | Giovanni Retana † | Archbishop of Messina, Italy |
| Born | Sebastiano Ricci † | Cingulan | Bishop of Città della Pieve, Italy |
| Born | Girolamo Rusca, O.P. † | Venice | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| 40.0 | Ordained Bishop | François de Salignac de La Mothe-Fénelon † | Bishop of Sarlat, France | Bishop Emeritus |
| Born | Johann Schöner † | Neustadt/Aisch | Auxiliary Bishop of Bamberg, Germany |
| Died | Dionizy Secygniowski † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| Born | Uberto Testa † | | Bishop of Pula (Pola), Croatia |
| Born | Evangelista Tornioli, O.S.B. † | Perusii | Bishop of Città di Castello, Italy |
| Died | Guglielmo Tuttavilla † | Bishop of Sarno, Italy |
| Born | Luca Antonio Virili † | Rome, Italy | Cardinal, Cardinal-Priest of San Salvatore in Lauro |
| Died | Leonhard Zittardus, O.P. † | Auxiliary Bishop of Mainz, Germany |
| 9 Jan | | Ordained Bishop | Eugenio Camuzzi † | Bishop of Bobbio, Italy |
| Ordained Bishop | Francesco Cittadini † | Bishop of Castro [del Lazio], Italy |
| 14 Jan | | Appointed | Pedro Mártir Coma, O.P. † | Bishop of Elne, France |
| 24 Jan | | Appointed | Serafino Fortibraccia, O.P. † | Bishop of Nemosia (Limasol), Greece |
| Appointed | Vespasien Gribaldi † | Archbishop of Vienne, France | Archbishop Emeritus |
| 37.1 | Appointed | Flavio Orsini † | Administrator of Cosenza, Italy | Cardinal, Bishop of Spoleto, Italy |
| 61.1 | Installed | Jérôme Souchier, O. Cist. † | Cardinal, Cardinal-Priest of San Matteo in Merulana |
| 28 Jan | 53.3 | Died | Gianantonio Capizucchi † | Cardinal, Bishop of Lodi, Italy |
| 2 Feb | | Died | Lodovico (Luigi) Ardinghelli † | Bishop of Fossombrone, Italy |
| 9 Feb | 52.0 | Appointed | Luigi Cornaro † | Cardinal-Priest of San Clemente | Cardinal, Archbishop Emeritus of Zadar (Zara), Croatia |
| Appointed | Antonino Faraone † | Bishop of Catania, Italy |
| 37.1 | Appointed | Ludovico Madruzzo † | Cardinal-Priest of Sant’Onofrio | Cardinal, Bishop of Trento, Italy |
| 63.1 | Appointed | Rodrigo de Vadillo, O.S.B. † | Bishop of Cefalù, Italy |
| 12 Feb | 73.1 | Died | Juan de los Barrios, O.F.M. † | Archbishop of Santafé en Nueva Granada, Colombia |
| 13 Feb | | Ordained Bishop | Serafino Fortibraccia, O.P. † | Bishop of Nemosia (Limasol), Greece |
| 2 Mar | 33.2 | Confirmed | David Kölderer von Burgstall † | Bishop of Regensburg, Germany |
| 9 Mar | | Appointed | Agostino Baglione † | Bishop of Alessandria (della Paglia), Italy |
| Appointed | Antonio Scarampi † | Bishop of Lodi, Italy |
| 33.3 | Appointed | Filippo Spinola † | Bishop of Nola, Italy | Cardinal, Bishop Emeritus |
| 12 Mar | | Died | Jorge de Coimbra † | Bishop of Ceuta, Spain |
| 21 Mar | 37.0 | Installed | St. Juan de Ribera † | Archbishop of Valencia, Spain |
| 63.2 | Ordained Bishop | Rodrigo de Vadillo, O.S.B. † | Bishop of Cefalù, Italy |
| 23 Mar | | Appointed | Domenico della Rovere, O.P. † | Bishop of Asti, Italy |
| 28 Mar | | Died | Bernard d’Elbène † | Bishop of Nîmes, France |
| Died | Giambattista Grossi † | Bishop of Reggio Emilia, Italy |
| 1 Apr | | Appointed | Gregorio Cruz, O.P. † | Bishop of Martirano (Martoranum), Italy |
| Appointed | Cesare Ferrante † | Bishop of Termoli, Italy |
| Appointed | Alessandro Mazza † | Bishop of Fossombrone, Italy | Bishop Emeritus |
| Appointed | Annibal de Ruccellai † | Bishop of Carcassonne, France |
| Appointed | Organtino Scaroli (Scazola) † | Bishop of San Marco (Argentano), Italy |
| 7 Apr | | Born | Servaas de Quinckere † | Brugge | Bishop of Brugge {Bruges}, Belgium |
| 15 Apr | | Appointed | Eustachio Locatelli, O.P. † | Bishop of Reggio Emilia, Italy |
| 16 Apr | | Ordained Bishop | Gregorio Cruz, O.P. † | Bishop of Martirano (Martoranum), Italy |
| Ordained Bishop | Cesare Ferrante † | Bishop of Termoli, Italy |
| Ordained Bishop | Organtino Scaroli (Scazola) † | Bishop of San Marco (Argentano), Italy |
| 17 Apr | | Ordained Bishop | Alessandro Mazza † | Bishop of Fossombrone, Italy | Bishop Emeritus |
| 22 Apr | | Appointed | Prospero Vitelliano † | Bishop of Bisignano, Italy | Bishop Emeritus |
| 24 Apr | 51.3 | Died | Jacopo Nacchianti, O.P. † | Bishop of Chioggia, Italy |
| Ordained Bishop | Annibal de Ruccellai † | Bishop of Carcassonne, France |
| 29 Apr | | Ordained Bishop | Eustachio Locatelli, O.P. † | Bishop of Reggio Emilia, Italy |
| 3 May | | Ordained Bishop | Prospero Vitelliano † | Bishop of Bisignano, Italy | Bishop Emeritus |
| 13 May | 47.3 | Appointed | Francesco Alciati † | Cardinal-Priest of Santa Maria in Portico (Octaviae) | Cardinal, Bishop of Civitate (Città or Civita), Italy |
| 58.4 | Appointed | Girolamo di Corregio † | Cardinal, Archbishop of Taranto, Italy |
| 22 May | | Ordained Bishop | Pedro Mártir Coma, O.P. † | Bishop of Elne, France |
| 24 May | | Died | Juan Ayora † | Bishop of Oviedo, Spain |
| 6 Jun | 30.2 | Appointed | Sebastian Haidlauf † | Auxiliary Bishop of Freising, Germany |
| 22 Jun | | Appointed | Raymond O’Gallagher † | Bishop of Derry, Ireland |
| 62.5 | Appointed | Gaspar Zúñiga Avellaneda † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 10 Jul | 39.5 | Ordained Bishop | Hildebrand Riedmatten † | Bishop of Sion {Sitten}, Switzerland |
| 19 Jul | | Appointed | Francesco Pisani † | Bishop of Chioggia, Italy |
| Aug | | Died | Bernardino de Villalpando, C.R.S.A. † | Bishop of Guatemala (Santiago de Guatemala), Guatemala |
| 25 Aug | | Died | Robert de Gontaut-Biron † | Bishop of Condom, France |
| 26 Aug | 44.7 | Appointed | Giovanni Aldobrandini † | Bishop of Imola, Italy | Cardinal, Bishop Emeritus |
| 45.9 | Appointed | Charles Bourbon de Vendôme † | Administrator of Beauvais, France | Cardinal, Archbishop of Rouen, France |
| Appointed | Ambrogio Salvio, O.P. † | Bishop of Nardò, Italy |
| Appointed | Cristoforo Scotti † | Bishop of Cavaillon, France |
| 29 Aug | | Died | François Bohier † | Bishop of Saint-Malo, France |
| 4 Sep | | Ordained Bishop | Cristoforo Scotti † | Bishop of Cavaillon, France |
| 5 Sep | 69.7 | Died | Edmund Bonner † | Bishop Emeritus of London, England, Great Britain |
| 10 Sep | | Died | Gilbert Bourne † | Bishop of Bath and Wells, England, Great Britain |
| 16 Sep | | Resigned | Gabriele de Alexandris, O.P. † | Bishop of Gallese, Italy | Bishop Emeritus |
| 50.7 | Appointed | Remigius (Remi) Driutius (Drieux) † | Bishop of Brugge {Bruges}, Belgium |
| 38.7 | Appointed | Cunerus Petri † | Bishop of Leeuwarden, Netherlands |
| Appointed | Juan Segría (Cengria) † | Archbishop of Palermo, Italy |
| 19 Sep | 66.7 | Died | Pedro de Ayala, O.F.M. † | Bishop of Guadalajara, Jalisco, México |
| 21 Sep | 23.7 | Ordained Priest | Christoph Blöbel † | Priest | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 23 Sep | | Died | Ettore Piscicelli † | Archbishop of Lanciano, Italy |
| 29 Sep | | Died | Luigi Suppa, O.P. † | Bishop of Agrigento (Girgenti), Italy |
| 4 Oct | | Ordained Bishop | Ambrogio Salvio, O.P. † | Bishop of Nardò, Italy |
| 7 Oct | | Appointed | Martín Martínez de Villar † | Archbishop of Sassari, Italy | Bishop of Barcelona, Spain |
| 11 Oct | | Died | Ambrogio Monticoli † | Bishop of Segni, Italy |
| 14 Nov | 57.8 | Resigned | Henrique de Portugal † | Archbishop of Lisboa {Lisbon}, Portugal | Cardinal, Archbishop Emeritus of Évora, Portugal |
| Appointed | Fernando de Tavora, O.P. † | Bishop of Funchal, Portugal | Bishop Emeritus |
| 15 Nov | | Resigned | Jorge de Lemos, O.P. † | Bishop of Funchal, Portugal | Bishop Emeritus |
| Dec | | Ordained Bishop | Fernando de Barrionuevo, O.F.M. † | Bishop of Santiago de Chile |
| 8 Dec | 44.9 | Ordained Bishop | Giovanni Aldobrandini † | Bishop of Imola, Italy | Cardinal, Bishop Emeritus |
| 14 Dec | 53.0 | Appointed | Vincenzo Ercolano (Herculani), O.P. † | Bishop of Sarno, Italy | Bishop of Perugia, Italy |
| 38.0 | Confirmed | Pierre de Gondi † | Bishop of Paris, France | Cardinal, Bishop Emeritus |
| Appointed | Donato Stampa † | Bishop of Nepi e Sutri, Italy |
| 17 Dec | | Ordained Priest | Pedro Jaime † | Priest | Bishop of Albarracin, Spain |
| 19 Dec | | Appointed | Charles Pérusse des Cars † | Bishop of Langres, France |