| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 71.0 | Resigned | Ottavio Accoramboni † | Bishop of Fossombrone, Italy | Archbishop Emeritus of Urbino, Italy |
| Born | Adam Adami, O.S.B. † | Köln-Mühlheim | Auxiliary Bishop of Hildesheim, Germany |
| Born | Orazio degli Albizzi † | Florence | Bishop of Volterra, Italy |
| Born | Francesco Maria Annoni, C.R. † | | Bishop of Muro Lucano, Italy |
| Born | Juan Astorga de Castillo † | Zamora | Bishop of Zamora, Spain |
| Born | José Barbera † | Valencia | Auxiliary Bishop of Valencia, Spain |
| Born | Matteo Benlich, O.F.M. † | | Bishop of Beograd {Belgrade}, Serbia |
| Born | Diego Castiglione Morelli † | | Bishop of Mileto, Italy |
| Born | Giuseppe Cigala (Cicala), C.R. † | Palermo | Archbishop of Messina, Italy |
| Born | Francesco Cini † | Auxini | Bishop of Macerata-Tolentino, Italy |
| Born | Opizzone d’Este † | Mutinen | Bishop of Modena, Italy |
| Born | Jérôme de La Mothe-Houdancourt † | Bellovacen | Bishop of Saint-Flour, France |
| Born | Augustinus Donghi, C.R. † | Januae | Bishop of Aleria, France |
| Born | Giovanni de Rossi, O.F.M. Conv. † | Napoli | Bishop of Umbriatico (Umbriaticum), Italy |
| Born | Cristovão da Silveira, O.S.A. † | Angra | Archbishop of Goa, India |
| Installed | François-Etienne Dulci, O.P. † | Archbishop of Avignon, France |
| Born | Juan de Escalante Turcios y Mendoza † | Andalucía | Bishop of Yucatán (Mérida), México |
| Died | Luca Fieschi † | Bishop of Albenga, Italy |
| Born | Johannes Karl von Franckenstein † | Franckenstein | Bishop of Worms, Germany |
| Born | Filippo Galilei † | | Bishop of Cortona, Italy |
| Born | Honuphrius Ippoliti † | Pistorien | Titular Bishop of Porphyreon |
| Born | Leonardo Leria, O. Carm. † | Roma | Bishop Emeritus of Minori, Italy |
| 17.5 | Appointed | Charles de Lorraine-Chaligny, S.J. † | Bishop of Verdun, France | Bishop Emeritus |
| 26.0 | Ordained Priest | René du Louët de Coetjunval † | Priest | Bishop of Quimper, France |
| Born | Juan Lozano, O.S.A. † | Jumilla, Spain | Bishop of Plasencia, Spain |
| Died | Simone Lunadoro † | Bishop of Nocera de’ Pagani, Italy |
| 40.0 | Died | Mario Moro † | Bishop of Venosa, Italy |
| Born | Francesco de Marchi † | Spalaten | Bishop of Krk (Veglia), Croatia |
| Died | Domenico Mudazio † | Bishop of Chiron, Greece |
| Born | Agustín Muñoz Sandoval † | Madrid, Spain | Bishop of Cuzco, Peru |
| Died | Malachy O’Moloney † | Bishop of Kilmacduagh, Ireland |
| Died | Franciscus Optimates, O.F.M. † | Bishop of Milos (Melos), Greece |
| 67.0 | Died | Lazaro Pellizzari, O.P. † | Bishop of Modena, Italy |
| Born | Gaudenzio Poli † | Spoleto | Bishop of Amelia, Italy |
| Installed | Jean Richardot † | Archbishop of Cambrai, France |
| 30.3 | Ordained Priest | George Anton von Rodenstein † | Priest of Speyer, Germany | Bishop of Worms, Germany |
| 49.3 | Resigned | Paolo Emilio Sfondrati † | Cardinal, Bishop of Cremona, Italy |
| 59.0 | Resigned | Francisco de Sosa, O.F.M. † | Bishop of Islas Canarias {Canary Islands}, Spain | Bishop of Osma, Spain |
| Born | Diogo de Sousa † | Ulixbonen | Archbishop of Évora, Portugal |
| Born | Johannes Maximus Stainer von Pleinfelden † | Bamberg | Auxiliary Bishop of Passau, Germany |
| Born | Giambattista Ventriglia † | Curti | Bishop of Caserta, Italy |
| Died | Giovanni Vitelli, C.R. † | Bishop of Capaccio, Italy |
| Born | Peter Walenburch † | Rotterdam | Auxiliary Bishop of Köln {Cologne}, Germany |
| Appointed | Jean Wischer † | Bishop of Ypres (Ieper), Belgium |
| Born | Jan Stefan Wydżga † | Lviv | Archbishop of Gniezno, Poland |
| 1 Jan | 59.0 | Died | Cinzio Passeri Aldobrandini † | Cardinal, Cardinal-Priest of San Pietro in Vincoli |
| 8 Jan | 41.8 | Appointed | Maffeo Barberini † | Prefect of the Apostolic Signatura | Pope (Roma {Rome}, Italy) |
| 10 Jan | 63.0 | Died | Matteo de Oviedo, O.F.M. † | Archbishop of Dublin, Ireland |
| 11 Jan | 52.0 | Appointed | Lanfranco Margotti † | Cardinal-Priest of San Pietro in Vincoli | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| Appointed | Girolamo Palazzuoli † | Bishop of Isola, Italy |
| Appointed | Archangelus de Rossi, C.R.L. † | Bishop of Carinola (Calina), Italy |
| 20 Jan | 70.1 | Died | Jean du Bec (-Crespin) † | Bishop of Saint-Malo, France |
| 22 Jan | 36.5 | Appointed | Guillaume Le Gouverneur † | Bishop of Saint-Malo, France |
| 27 Jan | | Appointed | Pál Almásy † | Bishop of Vác, Hungary |
| 60.1 | Appointed | Lorenzo Monzonís Galatina, O.F.M. † | Archbishop of Lanciano, Italy | Bishop of Pozzuoli, Italy |
| Confirmed | Lourenço de Távora, O.F.M. † | Bishop of Funchal, Portugal |
| 35.1 | Appointed | János Telegdy † | Bishop of Bosnia, Croatia | Archbishop of Kalocsa, Hungary |
| Feb | | Born | Matteo Orlando, O. Carm. † | Carini | Bishop of Cefalù, Italy |
| 1 Feb | 54.5 | Appointed | Pedro Ginés Casanova † | Bishop of Segorbe, Spain |
| 51.1 | Installed | François de La Rochefoucauld † | Cardinal-Priest of San Callisto | Cardinal, Bishop Emeritus of Senlis, France |
| 2 Feb | 34.5 | Ordained Bishop | Johann Gottfried von Aschhausen † | Bishop of Bamberg, Germany |
| 5 Feb | | Died | Giuseppe de Rossi † | Archbishop of Acerenza e Matera, Italy |
| 15 Feb | 22.8 | Installed | Ferdinando Gonzaga † | Cardinal-Deacon of Santa Maria in Domnica | |
| 41.1 | Appointed | Miguel Angulo Gómez de Carvajal, O.S. † | Auxiliary Bishop of Valencia, Spain |
| 41.1 | Appointed | Miguel Angulo Gómez de Carvajal, O.S. † | Titular Bishop of Coronea | Auxiliary Bishop of Valencia, Spain |
| 51.2 | Appointed | François de La Rochefoucauld † | Bishop of Senlis, France | Cardinal, Bishop Emeritus |
| 17 Feb | 67.1 | Died | Timocrate (Democrate) Aloigi (Aloisi) † | Bishop of Cagli, Italy |
| 28 Feb | 49.2 | Ordained Bishop | Afonso Furtado de Mendonça † | Bishop of Guarda, Portugal | Archbishop of Lisboa {Lisbon}, Portugal |
| Ordained Bishop | Girolamo Palazzuoli † | Bishop of Isola, Italy |
| Mar | | Born | Tommaso D’Avalos, O.P. † | Pescarae | Bishop of Lucera, Italy |
| Died | Giovanni Antonio Viperani † | Bishop of Giovinazzo, Italy |
| 1 Mar | | Appointed | Diogo de Sousa † | Archbishop of Évora, Portugal |
| 10 Mar | 49.2 | Appointed | José de Melo † | Bishop of Miranda (do Douro), Portugal | Archbishop of Évora, Portugal |
| 16 Mar | | Died | Giuseppe Ferrerio † | Archbishop of Urbino, Italy |
| 19 Mar | 78.2 | Died | Salentin von Isenburg † | Former Archbishop-Elect of Köln {Cologne}, Germany |
| Died | Valeriano Muti † | Bishop of Città di Castello, Italy |
| 22 Mar | | Appointed | Pellegrino Bertacchi † | Bishop of Modena, Italy |
| 45.2 | Appointed | Juan de Moncada † | Bishop of Barcelona, Spain | Archbishop of Tarragona, Spain |
| 27 Mar | 44.2 | Died | Innocenzo Del Bufalo-Cancellieri † | Cardinal, Bishop Emeritus of Camerino, Italy |
| 29 Mar | | Confirmed | Franjo Ergelski Hasanović † | Bishop of Veszprém, Hungary | Bishop of Zagreb (Agram), Croatia |
| 41.2 | Appointed | Agostino Gradenigo † | Bishop of Feltre, Italy | Patriarch of Aquileia, Italy |
| Appointed | Pedro Ponce de Léon † | Bishop of Zamora, Spain | Bishop Emeritus |
| Apr | 65.3 | Resigned | Attilio Amalteo † | Apostolic Nuncio to Germany | Apostolic Nuncio Emeritus |
| 1 Apr | 21.1 | Ordained Priest | Gregor Kathmann von Maurugk † | Priest of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany | Prefect |
| 18 Apr | 60.3 | Died | Gerolamo Arsengo, O.F.M. Conv. † | Bishop of Bacău, Romania |
| 36.3 | Ordained Bishop | Jean de Watteville, O. Cist. † | Bishop of Lausanne, Switzerland |
| 19 Apr | 50.7 | Appointed | Wawrzyniec Gembicki † | Bishop of Włocławek (Kujawy, Kalisze), Poland | Archbishop of Gniezno, Poland |
| 50.3 | Appointed | Pedro Ordóñez y Flórez † | Archbishop of Santafé en Nueva Granada, Colombia |
| 22 Apr | | Born | Pietro Vito Ottoboni † | Venice | Pope (Roma {Rome}, Italy) |
| 26 Apr | 61.3 | Appointed | Juan Nicolás Valdés de Carriazo † | Bishop of Islas Canarias {Canary Islands}, Spain | Bishop of Guadix, Spain |
| Appointed | Giovanni Antonio Santorio † | Bishop of Policastro, Italy |
| Appointed | Luca Semproni † | Bishop of Città di Castello, Italy |
| May | 52.3 | Died | Luis Pereira de Miranda † | Bishop of Santiago de Cabo Verde |
| 5 May | | Appointed | Benedetto Ala † | Archbishop of Urbino, Italy |
| 42.1 | Appointed | Maffeo Barberini † | Cardinal-Priest of Sant’Onofrio | Pope (Roma {Rome}, Italy) |
| 74.9 | Appointed | Domenico Toschi † | Cardinal-Priest of San Pietro in Montorio | Cardinal, Bishop Emeritus of Tivoli, Italy |
| 9 May | | Ordained Bishop | Benedetto Ala † | Archbishop of Urbino, Italy |
| 54.8 | Ordained Bishop | Pedro Ginés Casanova † | Bishop of Segorbe, Spain |
| 41.4 | Ordained Bishop | Miguel Angulo Gómez de Carvajal, O.S. † | Titular Bishop of Coronea | Auxiliary Bishop of Valencia, Spain |
| Ordained Bishop | Luca Semproni † | Bishop of Città di Castello, Italy |
| 13 May | 55.4 | Died | Antonio de Alzega (Alcega), O.F.M. † | Bishop of Coro, Venezuela |
| 16 May | 45.4 | Ordained Bishop | Juan de Moncada † | Bishop of Barcelona, Spain | Archbishop of Tarragona, Spain |
| 17 May | 53.4 | Appointed | Filippo Bili (Bigli), C.R. † | Bishop of Cagli, Italy |
| Appointed | Juan Estelrich † | Auxiliary Bishop of Tarragona, Spain | Bishop of Jaca, Spain |
| 19 May | | Born | François-Etienne de Caulet † | Toulouse | Bishop of Pamiers, France |
| 22 May | | Born | Francesco Alberti di Poja † | Trento | Bishop of Trento, Italy |
| 26 May | | Appointed | Antonio Idiáquez Manrique † | Bishop of Ciudad Rodrigo, Spain | Bishop of Segovia, Spain |
| 46.4 | Appointed | Pietro Giorgio Odescalchi † | Bishop of Vigevano, Italy |
| 57.4 | Appointed | Bernardo de Salba, O.F.M. † | Bishop of Urgell, Spain |
| 30 May | 31.6 | Ordained Priest | Albert von Törring † | Priest of Regensburg, Germany | Bishop |
| 31 May | 53.4 | Ordained Bishop | Filippo Bili (Bigli), C.R. † | Bishop of Cagli, Italy |
| 6 Jun | | Ordained Bishop | Lourenço de Távora, O.F.M. † | Bishop of Funchal, Portugal |
| 15 Jun | | Born | François de Baillencourt † | Nijvel | Bishop of Brugge {Bruges}, Belgium |
| 53.5 | Died | Charles de Bourbon-Navarre † | Archbishop Emeritus of Rouen, France |
| 21 Jun | | Appointed | Enrique Enríquez, O.S.A. † | Bishop of Plasencia, Spain |
| 23 Jun | 66.5 | Died | Juan Orozco Covarrubias y Leiva † | Bishop of Guadix, Spain |