| Date | Age | Event | Bishop | Title | Current Title |
| Jul | | Appointed | Giulio Cesare Guarnieri † | Bishop of Satriano e Campagna, Italy |
| 1 Jul | | Appointed | Francesco Monaco † | Bishop of Martirano (Martoranum), Italy |
| 19 Jul | | Appointed | Lorenzo Celsi † | Bishop of Castro [del Lazio], Italy |
| 43.5 | Appointed | Napoleone Comitoli † | Bishop of Perugia, Italy |
| 38.5 | Appointed | Antonio Maria Galli † | Cardinal, Bishop of Osimo, Italy |
| Appointed | Ascanio Libertano (Libertani) † | Bishop of Cagli, Italy |
| 21 Jul | | Ordained Bishop | Fulvio Passerini † | Bishop of Avellino e Frigento, Italy | Bishop of Pistoia, Italy |
| 31 Jul | | Resigned | Paolo Alberi † | Archbishop of Dubrovnik (Ragusa), Croatia | Archbishop Emeritus |
| 32.6 | Appointed | Ottavio Belmosto (Belmusti) † | Bishop of Aleria, France | Cardinal, Bishop Emeritus |
| Appointed | Orazio Ciceroni † | Bishop of Ferentino, Italy |
| Appointed | Stanisław Gomoliński † | Bishop of Chełm, Poland | Bishop of Lutsk (Łuck), Ukraine |
| Appointed | Aurelio Novarini, O.F.M. Conv. † | Archbishop of Dubrovnik (Ragusa), Croatia | Bishop of San Marco (Argentano), Italy |
| Appointed | Marco Antonio Salomone † | Bishop of Sora, Italy | Bishop Emeritus |
| 4 Aug | | Ordained Bishop | Ascanio Libertano (Libertani) † | Bishop of Cagli, Italy |
| Ordained Bishop | Aurelio Novarini, O.F.M. Conv. † | Archbishop of Dubrovnik (Ragusa), Croatia | Bishop of San Marco (Argentano), Italy |
| 9 Aug | | Appointed | Alessandro Centurione † | Archbishop of Genova, Italy | Archbishop Emeritus |
| Appointed | Michael Fitzwalter † | Bishop of Foreign Diocese | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 35.2 | Appointed | Jerzy Radziwiłł † | Bishop of Kraków, Poland | Cardinal, Bishop of Vilnius, Lithuania |
| 50.6 | Resigned | Antonio Maria Sauli † | Archbishop of Genova, Italy | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 10 Aug | | Ordained Bishop | Lorenzo Celsi † | Bishop of Castro [del Lazio], Italy |
| 11 Aug | 43.6 | Ordained Bishop | Napoleone Comitoli † | Bishop of Perugia, Italy |
| 19 Aug | | Born | Johann Georg von Herberstein † | Salzburg | Bishop-Elect of Regensburg, Germany |
| 25 Aug | 45.8 | Ordained Bishop | Johann Otto von Gemmingen † | Bishop of Augsburg, Germany |
| 3 Sep | | Died | Francisco Avellaneda † | Archbishop of Acerenza e Matera, Italy |
| Died | Fernando de la Vega Fonseca † | Bishop of Córdoba, Spain |
| 12 Sep | | Died | Alexandre de Bardi † | Bishop of Saint-Papoul, France |
| 13 Sep | | Appointed | Marco Antonio Amidano † | Bishop of Melfi e Rapolla, Italy | Bishop Emeritus |
| Died | Marcos de Betania, O.F.M. † | Bishop of Porto, Portugal |
| Appointed | Giovanni Myra (Mira) † | Bishop of Castellammare di Stabia, Italy | Archbishop of Acerenza e Matera, Italy |
| 19 Sep | | Died | Juan Martínez de Villatoriel † | Bishop of Lérida, Spain |
| 22 Sep | | Ordained Bishop | Alessandro Centurione † | Archbishop of Genova, Italy | Archbishop Emeritus |
| 29 Sep | 49.7 | Ordained Bishop | Malaquías Asso, O. Cist. † | Titular Bishop of Utica | Bishop of Jaca, Spain |
| 4 Oct | 73.0 | Installed | Nicolás de Pellevé † | Cardinal, Archbishop of Reims, France |
| 16 Oct | 56.7 | Died | Niccolò Sfondrati † | Pope (Roma {Rome}, Italy) |
| 17 Oct | | Died | Antoine Prévost de Sansac † | Archbishop of Bordeaux, France |
| 20 Oct | 45.0 | Ordained Bishop | Sancho Dávila Toledo † | Bishop of Cartagena (en España) | Bishop of Plasencia, Spain |
| 57.7 | Installed | St. Alessandro Maria Sauli, B. † | Bishop of Pavia, Italy |
| 21 Oct | 37.0 | Died | Ernst von Mengersdorf † | Bishop of Bamberg, Germany |
| 29 Oct | 72.3 | Elected | Giovanni Antonio Facchinetti de Nuce † | Pope (Roma {Rome}, Italy) |
| Nov | | Resigned | Marco Antonio Amidano † | Bishop of Melfi e Rapolla, Italy | Bishop Emeritus |
| 3 Nov | 72.3 | Installed | Giovanni Antonio Facchinetti de Nuce † | Pope (Roma {Rome}, Italy) |
| 4 Nov | 52.8 | Appointed | Lorenzo Asensio Otaduy Avendaño † | Bishop of Lugo, Spain | Bishop of Avila, Spain |
| 13 Nov | | Appointed | Matteo Brumani, O.S.A. † | Bishop of Melfi e Rapolla, Italy |
| Appointed | Marcello Crescenzi † | Bishop of Assisi, Italy |
| Appointed | Claudio de Curtis † | Bishop of Crotone (Cotrone), Italy |
| Appointed | Orazio Schipano † | Bishop of Belcastro, Italy |
| 20 Nov | | Appointed | Settimio Borsari † | Bishop of Alessano, Italy | Bishop of Casale Monferrato, Italy |
| Appointed | António de Matos de Noronha † | Bishop of Elvas, Portugal |
| 18.0 | Installed | Odoardo Farnese † | Cardinal-Deacon of Sant’Adriano al Foro | Cardinal, Cardinal-Bishop of Frascati |
| Appointed | Giovanni Antonio Onorati † | Bishop of Terni, Italy |
| 39.4 | Installed | Ottaviano Paravicini † | Cardinal-Priest of San Giovanni a Porta Latina | Cardinal, Bishop Emeritus of Alessandria (della Paglia), Italy |
| 57.9 | Appointed | Juan Bautista Pérez Rubert † | Bishop of Segorbe, Spain |
| 29 Nov | | Appointed | Alfonso López de Avila † | Archbishop of Santafé en Nueva Granada, Colombia |
| 30 Nov | | Ordained Bishop | Settimio Borsari † | Bishop of Alessano, Italy | Bishop of Casale Monferrato, Italy |
| Ordained Bishop | Giovanni Antonio Onorati † | Bishop of Terni, Italy |
| 4 Dec | | Ordained Bishop | Marcello Crescenzi † | Bishop of Assisi, Italy |
| 7 Dec | | Died | Pedro de Moya y Contreras † | Archbishop of México, Federal District |
| 9 Dec | | Appointed | Domingo de Ulloa, O.P. † | Bishop of Popayán, Colombia | Bishop of Michoacán, México |
| 12 Dec | | Born | Johann Christoph von Liechtenstein † | Leifers | Bishop of Chiemsee, Germany |
| 14 Dec | 46.6 | Selected | Neytard von Thüngen † | Bishop of Bamberg, Germany |
| 18 Dec | 16.8 | Elevated to Cardinal | Giovanni Antonio Facchinetti (Jr.) † | Cardinal, Cardinal-Priest of Santi Quattro Coronati |
| 54.3 | Elevated to Cardinal | Filippo Sega † | Cardinal, Bishop of Piacenza, Italy |
| 23 Dec | 51.0 | Died | Giovanni Vincenzo Gonzaga, O.S.Io.Hieros. † | Cardinal, Cardinal-Priest of Sant’Alessio |
| 30 Dec | 72.4 | Died | Giovanni Antonio Facchinetti de Nuce † | Pope (Roma {Rome}, Italy) |
| Died | Alfonso López de Avila † | Archbishop of Santafé en Nueva Granada, Colombia |