| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Died | Ascanio Albertini † | Bishop of Avellino e Frigento, Italy |
| 43.9 | Ordained Priest | Ippolito Aldobrandini (Sr.) † | Priest | Pope (Roma {Rome}, Italy) |
| Born | Albertus Aliprandi † | Tinien | Bishop of Andros, Greece |
| Died | Giovanni Paolo Amanio † | Bishop of Anglona-Tursi, Italy |
| Born | Hyacinthus Arnolfini, O.F.M. † | | Bishop of Milos (Melos), Greece |
| Born | Malatesta Baglioni † | | Bishop of Assisi, Italy |
| Died | Antonio Balducci, O.P. † | Bishop of Trevico, Italy |
| Born | Francesco Bibilia † | | Bishop of Isola, Italy |
| 72.9 | Resigned | René de Birague † | Bishop of Lodève, France | Cardinal, Bishop Emeritus |
| Born | Diego Castejón Fonseca † | Madrid | Bishop of Tarazona, Spain |
| Born | Luis de Cañizares, O.M. † | Madrid, Spain | Bishop of Comayagua, Honduras |
| Died | Ippolito Capilupo † | Bishop Emeritus of Fano, Italy |
| Died | Pietro Cancellieri (Cavalieri) † | Bishop of Lipari, Italy |
| Born | Tiberio Cenci † | Rome | Cardinal, Bishop of Jesi, Italy |
| Born | Francesco Adriano Ceva † | Mondovi, Italy | Cardinal, Cardinal-Priest of Santa Prisca |
| Died | Pedro de Agreda (Sánchez Martín), O.P. † | Bishop of Coro, Venezuela |
| Born | Antimo degli Atti † | Cornetan | Bishop of Ortona a Mare e Campli, Italy |
| Born | Juan de Mañozca y Zamora † | Marquina, Spain | Archbishop of México, Federal District |
| Installed | Antonio de Hervias, O.P. † | Bishop of Verapaz, Guatemala | Bishop of Cartagena, Colombia |
| Born | Giuseppe di Ceva † | Cunei | Bishop of Ivrea, Italy |
| Appointed | Valentin Douglas, O.S.B. † | Bishop of Laon, France |
| Born | Pietro Paolo Eustachi † | | Bishop of Boiano, Italy |
| Died | Pietro Francesco Ferri † | Bishop of Polignano (Polinianum), Italy |
| Died | Ferdinando Ferrero Fieschi † | Bishop of Ivrea, Italy |
| Died | Vincenzo Fucheri † | Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| Born | Giovanni Dominico Giaconi † | Lyciae | Bishop of Guardialfiera (Guardia), Italy |
| Ordained Priest | Stanisław Gomoliński † | Priest | Bishop of Lutsk (Łuck), Ukraine |
| Succeeded | Nicolò Grana † | Bishop of Anglona-Tursi, Italy |
| 40.7 | Died | Sebastian Haidlauf † | Auxiliary Bishop of Freising, Germany |
| Died | Francesco Indelli † | Bishop of Guardialfiera (Guardia), Italy |
| Born | Bernardo Inghirami † | | Bishop of Volterra, Italy |
| Born | Jerónimo de Ipenza † | Tarazona | Bishop of Jaca, Spain |
| Born | St. Jozafat Kuncewicz, O.S.B.M. † | Włodzimierzu Wołyńskim | Archbishop |
| Born | Juan López de Agurto de la Mata † | Tenerife, Spain | Bishop of Coro, Venezuela |
| Died | Lancillotto Lancellotti † | Archbishop of Rossano, Italy |
| Born | Francisco de la Serna, O.S.A. † | León de Guánuco, Peru | Bishop of La Paz, Bolivia |
| Born | Orazio Maffei † | Rome | Cardinal, Archbishop of Chieti, Italy |
| Resigned | Miler Magrath, O.F.M. Conv. † | Bishop of Down and Connor, Ireland | Bishop Emeritus |
| Died | Ascanio Marchesini † | Bishop of Calvi Risorta, Italy |
| Born | Pedro Moncada † | | Bishop of Gerona, Spain |
| Born | Gabriele Nari (Naro), O.P. † | | Bishop of San Marco (Argentano), Italy |
| Born | Giuseppe (Giacomo) Pamphilj † | | Bishop of Kotor (Cattaro), Montenegro |
| Born | Ubertinus Papafava † | Patavii | Bishop of Adria, Italy |
| Died | Pietro de Petris † | Bishop of Lucera, Italy |
| Born | Alfonso Petrucci † | | Bishop of Chiusi, Italy |
| Born | Hernando de Ramírez y Sánchez, O.SS.T. † | Arroyo, Spain | Bishop of Panamá |
| Born | Girolamo Ricciulli † | Cusentin | Bishop of Belcastro, Italy |
| Born | Nicolas Sanguin † | | Bishop Emeritus of Senlis, France |
| Born | Giulio Antonio Santoro † | Casertae | Archbishop of Cosenza, Italy |
| Born | Girolamo Sarriano, C.R. † | Napoli | Bishop of Vico Equense, Italy |
| Appointed | Urbain de Saint-Gelais de Lansac † | Bishop of (Saint-Bernard de) Comminges, France |
| Born | Stefano Solis Castelblanco, C.R. † | Napoli | Bishop of Sarno, Italy |
| Died | Gonzalo de Solórzano † | Bishop of Oviedo, Spain |
| Born | Giovanni Domenico Spinola † | Genoa | Cardinal, Bishop of Mazara del Vallo, Italy |
| Born | Alonso de San Vítores y Fransarcén, O.S.B. † | Burgos | Bishop of Zamora, Spain |
| 45.0 | Appointed | Mikuláš Telegdy † | Apostolic Administrator of Esztergom, Hungary | Bishop of Pécs, Hungary |
| Born | Lelio Veterano † | | Bishop of Fondi (Fundi), Italy |
| Born | Mauro de Villarroel, O.S.B. † | Tordesillas | Bishop of Jaca, Spain |
| Born | Celso (Giuliano) Zani, O.F.M. † | Settimello | Bishop Emeritus of Città della Pieve, Italy |
| Jan | 49.0 | Appointed | Cunerus Petri † | Auxiliary Bishop of Münster, Germany | Bishop of Leeuwarden, Netherlands |
| 1 Jan | 63.0 | Died | Wojciech Staroźrebski Sobiejuski † | Bishop of Przemyśl, Poland |
| 11 Jan | | Appointed | François de Wallon-Capelle † | Bishop of Namur {Namen}, Belgium |
| 14 Jan | 80.0 | Died | Juan Solano, O.P. † | Bishop Emeritus of Cuzco, Peru |
| 18 Jan | 63.3 | Died | Archangelo de’ Bianchi (Blanca), O.P. † | Cardinal, Bishop Emeritus of Teano, Italy |
| 25 Jan | | Died | Pierre de Châtelet † | Bishop of Toul, France |
| 31 Jan | 68.0 | Died | Henrique de Portugal † | Cardinal, Archbishop Emeritus of Évora, Portugal |
| Died | Dietrich von Rothenstein † | Bishop of Worms, Germany |
| 12 Feb | 20.3 | Installed | Albrecht von Austria (Österreich) † | Cardinal-Deacon of Santa Croce in Gerusalemme | Former Archbishop-Elect of Toledo, Spain |
| 35.1 | Appointed | Peter Binsfeld † | Auxiliary Bishop of Trier, Germany |
| 35.1 | Appointed | Peter Binsfeld † | Titular Bishop of Azotus | Auxiliary Bishop of Trier, Germany |
| 15 Feb | 49.1 | Died | Cunerus Petri † | Bishop of Leeuwarden, Netherlands |
| 16 Feb | | Born | Giovanni Battista Deti † | Ferrara, Italy | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 24 Feb | | Appointed | Scipione Bozzuti † | Bishop of Calvi Risorta, Italy | Bishop of Lucera, Italy |
| 28 Feb | | Born | Orazio Giustiniani, C.O. † | Chios | Cardinal, Bishop Emeritus of Nocera Umbra, Italy |
| 29 Feb | 32.3 | Confirmed | Gebhard Truchseß von Waldburg † | Archbishop of Köln {Cologne}, Germany | Former Archbishop-Elect |
| 9 Mar | 18.9 | Appointed | Charles de Lorraine-Vaudémont (II) † | Cardinal, Apostolic Administrator of Toul, France |
| 11 Mar | | Died | Thomas O’Herlihy † | Bishop of Ross, Ireland |
| 13 Mar | 24.7 | Ordained Bishop | Louis II de Guise de Lorraine † | Cardinal, Archbishop of Reims, France |
| 14 Mar | | Appointed | Juan Antonio Diaz de Salcedo, O.F.M. † | Bishop of Santiago de Cuba | Bishop of Nicaragua |
| Appointed | Alfonso López de Avila † | Archbishop of Santo Domingo, Dominican Republic | Archbishop of Santafé en Nueva Granada, Colombia |
| Appointed | Richard Brady, O.F.M. † | Bishop of Kilmore, Ireland |
| 23 Mar | | Died | Augustinus Le Cirier † | Bishop of Avranches, France |
| Appointed | Donat O’Gallagher, O.F.M. † | Bishop of Down and Connor, Ireland |
| 25 Mar | | Born | Johann Paul (Giovanni Paolo) Ciurletti † | Trento | Auxiliary Bishop of Salzburg, Austria |
| 4 Apr | | Died | Manuel de Mercado Aldrete, O.S.H. † | Bishop of Panamá |
| 11 Apr | | Appointed | Pietro Orsini † | Coadjutor Bishop of Spoleto, Italy | Bishop of Aversa, Italy |
| Appointed | Pietro Orsini † | Titular Bishop of Hippos | Bishop of Aversa, Italy |
| 17 Apr | | Ordained Bishop | Pietro Orsini † | Titular Bishop of Hippos | Bishop of Aversa, Italy |
| 20 Apr | 58.2 | Died | Francesco Alciati † | Cardinal, Bishop of Civitate (Città or Civita), Italy |
| 21 Apr | | Appointed | Jaime Ximeno Lobera † | Bishop of Teruel, Spain |
| 26 Apr | | Died | Alfonso Binarini † | Bishop of Camerino, Italy |
| 40.3 | Died | Jakob Feucht † | Auxiliary Bishop of Bamberg, Germany |
| 4 May | | Appointed | Pompilio Perotti † | Bishop of Guardialfiera (Guardia), Italy |
| Appointed | Gerolamo Vitale de Buoi † | Bishop of Camerino, Italy |
| 9 May | | Appointed | Hugo Amrosio de Moncada † | Bishop of Urgell, Spain |
| 20 May | | Appointed | Jacopo Roveglio (Rovelli) † | Coadjutor Bishop of Feltre, Italy | Bishop |
| Appointed | Jacopo Roveglio (Rovelli) † | Titular Bishop of Hebron | Bishop of Feltre, Italy |
| 27 May | 55.0 | Appointed | Francisco Sarmiento Mendoza † | Bishop of Jaén, Spain |
| Appointed | Raffaele Tomei † | Bishop of Polignano (Polinianum), Italy |
| Appointed | Cristóbal Vela Tavera † | Archbishop of Burgos, Spain |
| 29 May | | Ordained Bishop | Miguel Espinosa † | Titular Bishop of Marocco o Marruecos, Titular Sees | Auxiliary Bishop of Valencia, Spain |
| 13 Jun | 3.8 | Confirmed | Philipp Wilhelm von Bayern † | Bishop of Regensburg, Germany | Cardinal, Bishop-Elect |
| 15 Jun | 22.0 | Selected | Andreas von Austria (Österreich) † | Coadjutor Bishop of Brixen {Bressanone}, Italy | Cardinal, Bishop of Konstanz {Constance}, Germany |
| 20 Jun | | Died | Roland de Burgo (Burke) † | Bishop of Clonfert, Ireland |
| 22 Jun | | Died | Jean de Bours † | Bishop of Laon, France |
| Appointed | Alfonso Delgado † | Bishop of Astorga, Spain |
| 60.2 | Installed | Pedro de Deza Manuel † | Cardinal-Priest of San Ciriaco alle Terme Diocleziane | Cardinal, Cardinal-Bishop of Albano |
| Appointed | Carlos Domenech, C.R.S.A. † | Bishop of Lérida, Spain |
| Appointed | Alfonso Pardo † | Bishop of Trevico, Italy |
| Appointed | Fernando Rueda † | Bishop of Islas Canarias {Canary Islands}, Spain |
| 62.5 | Appointed | Luis Tello Maldonado † | Bishop of Segovia, Spain |
| 26 Jun | | Born | Gaspar de Borja y Velasco † | Villalpando | Cardinal, Bishop of Albano, Italy |
| 8 Jul | | Died | Francisco Tello Sandoval † | Bishop of Plasencia, Spain |
| 11 Jul | | Appointed | John O’Cahasy, O.F.M. † | Bishop of Killala, Ireland |
| 15 Jul | 70.5 | Died | Nicolaas van Nieuwland † | Bishop Emeritus of Haarlem, Netherlands |
| 18 Jul | 38.2 | Selected | Georg von Kuenburg † | Coadjutor Archbishop of Salzburg, Austria | Archbishop |
| Aug | 42.6 | Ordained Bishop | St. Toribio Alfonso de Mogrovejo † | Archbishop of Lima, Peru |
| 10 Aug | | Ordained Bishop | François de Wallon-Capelle † | Bishop of Namur {Namen}, Belgium |
| 20 Aug | | Died | Jerónimo Osório † | Bishop of Faro {Algarve}, Portugal |
| 21 Aug | | Died | Marcantonio del Giglio † | Bishop of Forli, Italy |
| 24 Aug | 46.6 | Installed | Claude de La Baume † | Cardinal-Priest of Santa Pudenziana | Cardinal, Archbishop of Besançon, France |
| 25 Aug | 77.6 | Died | Frederik Schenck van Toutenburg † | Archbishop of Utrecht, Netherlands |
| 27 Aug | | Died | Alessio Stradella, O.S.A. † | Bishop of Nepi e Sutri, Italy |
| 5 Sep | | Appointed | Giovanni Francesco Mazza de' Canobbi † | Bishop of Forli, Italy | Bishop Emeritus |
| 34.7 | Appointed | Orazio Moroni † | Bishop of Nepi e Sutri, Italy |
| 7 Sep | | Died | Johann Georg Zobel von Giebelstadt † | Bishop-Elect of Bamberg, Germany |
| 18 Sep | | Died | Laurentius Metsius † | Bishop of ’s Hertogenbosch (Bois-le-Duc), Netherlands |
| 22 Sep | 78.2 | Died | Cristóbal Rojas Sandoval † | Archbishop of Sevilla {Seville}, Spain |
| 7 Oct | 35.0 | Professed | Bl. Giovanni Giovenale Ancina, C.O. † | Member of Confederation of Oratorians of St. Philip Neri | Bishop of Saluzzo, Italy |
| Appointed | Girolamo Bentivoglio † | Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 11 Oct | 37.6 | Selected | Martin von Eyb † | Bishop of Bamberg, Germany | Former Bishop-Elect |
| 12 Oct | 30.8 | Appointed | François Vernède-Corneillan † | Bishop of Rodez, France |
| Appointed | Dermot McGrath † | Bishop of Cork, Ireland |
| Appointed | Dermot McGrath † | Bishop of Cloyne, Ireland | Bishop of Cork, Ireland |
| 17 Oct | | Appointed | Paolo Bellardito † | Bishop of Lipari, Italy | Bishop Emeritus |
| Appointed | Nicholas Skerret † | Archbishop of Tuam, Ireland |
| 20 Oct | | Appointed | Bartolomé de Ledesma, O.P. † | Bishop of Panamá | Bishop of Antequera, Oaxaca, México |
| 4 Nov | | Appointed | Giulio Monaco † | Bishop of Lucera, Italy |
| Appointed | Pietrantonio Vicedomini † | Bishop of Avellino e Frigento, Italy | Bishop Emeritus |
| 7 Nov | 38.5 | Confirmed | Georg von Kuenburg † | Coadjutor Archbishop of Salzburg, Austria | Archbishop |
| 13 Nov | | Ordained Bishop | Girolamo Bentivoglio † | Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| Ordained Bishop | Giulio Monaco † | Bishop of Lucera, Italy |
| 14 Nov | | Appointed | Valentino Valentini † | Bishop of Città Ducale, Italy |
| 20 Nov | | Appointed | Girolamo Diedo † | Bishop of Crema, Italy | Bishop Emeritus |
| 28 Nov | | Appointed | Lelio Giordano † | Archbishop of Rossano, Italy |
| 20.9 | Appointed | Christophe de L’Estang † | Bishop of Lodève, France | Bishop of Carcassonne, France |
| 1 Dec | 71.9 | Died | Giovanni Gerolamo Moroni (Morone) † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 5 Dec | 57.9 | Appointed | Marcantonio Colonna (Sr.) † | Cardinal-Priest of San Pietro in Vincoli | Cardinal, Cardinal-Bishop of Palestrina |
| 63.0 | Appointed | Fulvio Giulio della Corgna, O.S.Io.Hieros. † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 60.2 | Appointed | Alessandro Farnese (Jr.) † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 40.1 | Appointed | Alfonso Gesualdo di Conza (Gonza) † | Cardinal-Priest of San Clemente | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 47.8 | Appointed | Giovanni Francesco Gàmbara † | Cardinal-Bishop of Albano | Cardinal, Cardinal-Bishop of Palestrina |
| 47.3 | Appointed | Mark Sittich von Hohenems (Altemps) † | Cardinal-Priest of Santa Maria in Trastevere | Cardinal, Bishop Emeritus of Konstanz {Constance}, Germany |
| 12 Dec | | Appointed | Giovanni Battista Pietralata † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy | Bishop Emeritus |
| 15 Dec | 52.0 | Appointed | Gregorio de Montalvo Olivera, O.P. † | Bishop of Yucatán (Mérida), México | Bishop of Cuzco, Peru |
| 23 Dec | 64.0 | Died | Gerard van Groesbeeck † | Cardinal, Bishop of Liège, Belgium |