| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Giuseppe Acorrà † | Calaritan | Archbishop of Oristano, Italy |
| 53.0 | Died | Arcangelo Baldini, O.P. † | Bishop of Gravina (di Puglia), Italy |
| Born | Miklós Balogh † | Turoczii | Bishop of Vác, Hungary |
| 21.4 | Appointed | Antonio Barberini (Jr.), O.S.Io.Hieros. † | Archpriest of the Basilica di Santa Maria Maggiore {Saint Mary Major Basilica} | Cardinal, Archbishop of Reims, France |
| 60.0 | Appointed | Antonio (Marcello) Barberini (Sr.), O.F.M. Cap. † | Secretary of the Congregation for Universal Inquisition | Cardinal, Major Penitentiary of the Apostolic Penitentiary |
| Born | Petrus Barugi † | Fulginaten | Bishop of Urbania-Sant’Angelo in Vado, Italy |
| Resigned | Benedetto Benedetti † | Bishop of Caorle, Italy | Bishop Emeritus |
| 49.0 | Succeeded | Luis de Cañizares, O.M. † | Bishop of Comayagua, Honduras |
| 46.0 | Resigned | Modernus (Fabrizio) Caracciolo Piscizi † | Bishop of Catanzaro, Italy | Bishop of Oppido Mamertina, Italy |
| Born | Michel Colbert de Saint-Pouange † | | Bishop of Mâcon, France |
| Died | Antonio Cesonio † | Bishop of Oppido Mamertina, Italy |
| Born | Giuseppe Civran † | Venice | Bishop of Vicenza, Italy |
| 24.8 | Appointed | Girolamo Colonna † | Archpriest of the Arcibasilica di San Giovanni in Laterano {Saint John Lateran Basilica} | Cardinal, Archbishop Emeritus of Bologna, Italy |
| Born | Damianus Cornejo, O.F.M. † | Palentin | Bishop Emeritus of Orense, Spain |
| Born | Bernardino Corniani † | Venice | Bishop of Pula (Pola), Croatia |
| Died | Mateus da Costa Aborim † | Prelate of São Sebastião do Rio de Janeiro, Brazil |
| Died | Paolo De Curtis, C.R. † | Bishop Emeritus of Isernia, Italy | Bishop |
| Born | Francisco de Borja † | Bogotá | Bishop of Trujillo, Peru |
| Appointed | Henri d’Escoubleau de Sourdis † | Archbishop of Bordeaux, France |
| 78.5 | Died | Alfonso del Galdo, O.P. † | Bishop of Comayagua, Honduras |
| Born | György Fenessy † | Iaurien | Bishop of Eger, Hungary |
| 42.0 | Died | Lucas García Miranda † | Bishop of Santa Marta, Colombia |
| Appointed | Henri de Lorraine-Guise † | Archbishop of Reims, France | Archbishop Emeritus |
| Born | Giovanni Vincenzo Lucchesini, O.S.M. † | Lucan | Bishop of Assisi, Italy |
| Born | Benedetto Luperti † | Cagli | Bishop of Cagli, Italy |
| Born | Giovan Giorgio Mainardi † | Anconitan | Bishop of Ripatransone, Italy |
| Born | Joannes Paulus Meniconi † | Perusin | Bishop of Bagnoregio (Bagnorea), Italy |
| Born | Gaetano Miraballi (Miroballi), C.R. † | Napoli | Archbishop of Amalfi, Italy |
| 36.0 | Appointed | Cesare Monti † | Apostolic Nuncio to Spain | Cardinal, Archbishop of Milano {Milan}, Italy |
| Born | Giacomo Filippo Nini † | Siena | Cardinal, Cardinal-Priest of S. Maria della Pace |
| 50.0 | Appointed | Johann Heinrich von Ostein † | Bishop of Basel, Switzerland |
| Born | Giovanni Battista Pallotta † | Caldarola | Bishop of Foligno, Italy |
| 54.7 | Appointed | Giovanni Battista Pamphilj † | Official of the Roman Curia - Other | Pope (Roma {Rome}, Italy) |
| Appointed | Máximo Pereira, O.S.B. † | Prelate of São Sebastião do Rio de Janeiro, Brazil |
| Died | Máximo Pereira, O.S.B. † | Prelate of São Sebastião do Rio de Janeiro, Brazil |
| 61.0 | Died | Fabio Piccolomini † | Bishop of Massa Marittima, Italy |
| Died | João de Portugal, O.P. † | Bishop of Viseu, Portugal |
| Died | Diego Ramirez de Cepeda † | Bishop of Cartagena, Colombia |
| 46.6 | Resigned | Antonio Ricciulli † | Bishop of Belcastro, Italy | Archbishop of Cosenza, Italy |
| Born | Didacus Ros de Medrano † | Compluten | Bishop of Orense, Spain |
| Born | Crisóstomo Royo de Castellvi † | Valentin | Bishop of Segorbe, Spain |
| Born | Álvaro de São Boaventura, O.F.M. † | Madrid | Bishop of Coimbra, Portugal |
| Died | Sebastião de São Pedro, O.S.A. † | Archbishop of Goa, India |
| Born | Antonio Savo de’ Panicoli † | Roma | Bishop of Termoli, Italy |
| Born | Giorgio Sotgia (Soggia), O.S.M. † | Sassari | Archbishop of Sassari, Italy |
| Born | Severo Tomás y Auter, O.P. † | Puigcerda | Bishop of Tortosa, Spain |
| Resigned | Paolo Torelli † | Archbishop of Rossano, Italy | Archbishop Emeritus |
| Died | Benito Rodriguez de Valtodano (Baltodano), O.S.B. † | Bishop of León en Nicaragua |
| 53.0 | Resigned | Franciscus Venturi † | Bishop of San Severo, Italy | Bishop Emeritus |
| Appointed | Wilhelm von Welsberg † | Bishop of Brixen {Bressanone}, Italy |
| 49.0 | Resigned | Celso (Giuliano) Zani, O.F.M. † | Bishop of Città della Pieve, Italy | Bishop Emeritus |
| 12 Jan | | Died | Iñigo Brizuela Artiaga, O.P. † | Bishop Emeritus of Segovia, Spain |
| 20 Jan | 78.4 | Died | Bartholomäus Scholl † | Auxiliary Bishop of Freising, Germany |
| 22 Jan | | Born | Frans van Horenbeke † | Bruxellis | Bishop of Gent {Ghent, Gand}, Belgium |
| 28 Jan | 64.1 | Died | Giacomo Cavalieri (Caballero) † | Cardinal, Cardinal-Priest of S. Eusebio |
| 2 Feb | 56.1 | Died | Fernando Acevedo González † | Archbishop of Burgos, Spain |
| 4 Feb | 30.9 | Ordained Bishop | Johannes Truchseß von Waldburg-Wolfegg † | Bishop of Konstanz {Constance}, Germany |
| 12 Feb | | Appointed | Patrick Comerford, O.S.A. † | Bishop of Waterford and Lismore, Ireland |
| 51.1 | Appointed | Cristóbal de Aresti Martínez de Aguilar, O.S.B. † | Bishop of Paraguay | Bishop of Buenos Aires, Argentina |
| 10 Mar | 43.9 | Succeeded | Giovanni Pietro Volpi † | Bishop of Novara, Italy |
| 70.2 | Died | Ulpiano (Volpiano) Volpi † | Bishop of Novara, Italy |
| 14 Mar | | Appointed | Pietro Bonaventura † | Bishop of Cesena, Italy |
| 46.9 | Appointed | Urbano Feliceo † | Bishop of Policastro, Italy |
| Appointed | Girolamo Parisano † | Bishop of Polignano (Polinianum), Italy |
| 18 Mar | | Ordained Bishop | Patrick Comerford, O.S.A. † | Bishop of Waterford and Lismore, Ireland |
| Apr | 28.8 | Ordained Priest | Bl. Juan de Palafox y Mendoza † | Priest | Bishop of Osma, Spain |
| 9 Apr | 55.3 | Died | Pietro Valier † | Cardinal, Bishop of Padova {Padua}, Italy |
| 11 Apr | 75.3 | Died | Guillaume Gifford, O.S.B. † | Archbishop of Reims, France |
| 14 Apr | 27.8 | Ordained Priest | Dietrich Adolf von der Reck † | Priest of Paderborn, Germany | Bishop |
| 26 Apr | 49.4 | Appointed | Federico Baldissera Bartolomeo Cornaro † | Cardinal-Priest of S. Marco | Cardinal, Cardinal-Bishop of Albano |
| 30 Apr | 49.5 | Appointed | Federico Baldissera Bartolomeo Cornaro † | Bishop of Padova {Padua}, Italy | Cardinal, Cardinal-Bishop of Albano |
| 49.3 | Appointed | Giovanni Domenico Spinola † | Cardinal-Priest of S. Cecilia | Cardinal, Bishop of Mazara del Vallo, Italy |
| 1 May | 29.3 | Ordained Deacon | Scipione Pannocchieschi d’Elci † | Deacon | Cardinal, Archbishop Emeritus of Pisa, Italy |
| 3 May | | Died | Baglione Carradore † | Bishop of Marsi, Italy |
| 29.3 | Ordained Priest | Scipione Pannocchieschi d’Elci † | Priest | Cardinal, Archbishop Emeritus of Pisa, Italy |
| 26 May | 47.4 | Appointed | Georg Hammer † | Auxiliary Bishop of Magdeburg, Germany |
| 47.4 | Appointed | Georg Hammer † | Titular Bishop of Diocaesarea in Palaestina | Auxiliary Bishop of Magdeburg, Germany |
| 28 May | | Appointed | Louis de Nogaret de La Valette † | Coadjutor Bishop of Mirepoix, France | Bishop of Carcassonne, France |
| 32.4 | Appointed | Pietro Antonio Spinelli † | Archbishop of Rossano, Italy |
| Jun | | Born | Antonio Francesco Roberti † | Recanati | Archbishop of Urbino, Italy |
| 4 Jun | 32.4 | Ordained Bishop | Pietro Antonio Spinelli † | Archbishop of Rossano, Italy |
| 14 Jun | 60.5 | Died | Miguel García Serrano, O.S.A. † | Archbishop of Manila, Philippines |
| 24 Jun | | Died | Balthazar de Budos † | Bishop of Agde, France |
| 25 Jun | | Appointed | Michael de Bernardis, O.F.M. † | Bishop of Milos (Melos), Greece | Bishop Emeritus |
| 29 Jun | 64.5 | Ordained Bishop | Francisco de Zamudio y Avendaño, O.S.A. † | Bishop of Nueva Caceres, Philippines |