| Date | Age | Event | Bishop | Title | Current Title | 
| unknown |  | Born | Rodolpho Acquaviva † |  | Titular Bishop of Laodicea in Phrygia | 
| 55.0 | Died | Giuseppe Acquaviva † | Titular Archbishop of Thebae | 
| 54.0 | Died | Albertus Aliprandi † | Bishop of Andros, Greece | 
 | Born | Riccardo Annibaleschi della Molara † |  | Bishop of Veroli, Italy | 
 | Born | Louis-Anne Aubert de Villeserin † |  | Bishop of Senez, France | 
 | Born | François-Ignace de Baglion du Saillant, C.O. † |  | Bishop of Poitiers, France | 
| 15.8 | Professed | Giovanni Carlo Baldovinetti, O.P. † | Member of Order of Friars Preachers | Bishop of Sansepolcro (Borgo San Sepolcro), Italy | 
| 54.0 | Died | Francesco Bibilia † | Bishop of Isola, Italy | 
 | Born | Giuseppe Bologna † |  | Archbishop of Capua, Italy | 
 | Born | Jacques de Bourges, M.E.P. † |  | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam | 
| 65.0 | Resigned | Michael de Bernardis, O.F.M. Ref. † | Bishop of Milos (Melos), Greece | Bishop Emeritus | 
| 69.7 | Resigned | Cristóforo Chrisostome Carletti, O.F.M. † | Bishop of Termia (Thermae), Greece | Bishop Emeritus | 
 | Ordained Bishop | Miguel de Castro † | Bishop of Viseu, Portugal | 
 | Born | Joannes Dominicus Callegari † |  | Bishop of Šibenik (Knin), Croatia | 
 | Born | Onofrio Costantini † |  | Titular Archbishop of Derbe | 
 | Died | Giovan Battista Curiale (Correale) † | Bishop of Nicastro, Italy | 
 | Born | Orazio Fortunato † |  | Bishop of Nardò, Italy | 
 | Born | Andrés González, O.P. † |  | Bishop of Nueva Caceres, Philippines | 
 | Born | Juan González de Santiago † |  | Bishop of Cuzco, Peru | 
 | Appointed | Girolamo Greco † | Archbishop of Durrës (Durazzo), Albania | 
 | Born | Francesco Grassi † |  | Bishop of Nona (Nin), Croatia | 
| 24.0 | Ordained Priest | Gabriel de la Calle y Heredia † | Priest | Bishop of Valladolid, Spain | 
| 24.6 | Ordained Priest | Marijan Lisnjić, O.F.M. Obs. † | Priest of Order of Observant Friars Minor | Bishop of Makarska, Croatia | 
 | Born | José Llinás y Aznar, O. de M. † |  | Archbishop of Tarragona, Spain | 
| 54.0 | Appointed | Imre Lósy † | Bishop of Eger, Hungary | Archbishop of Esztergom, Hungary | 
 | Died | Gavino Manconi † | Bishop of Ales e Terralba, Italy | 
 | Born | Francisco Núñez de la Vega, O.P. † |  | Bishop of Chiapas (Ciudad Real de Chiapas), México | 
 | Born | Filippo Alferio Ossorio † |  | Bishop of Fondi (Fundi), Italy | 
| 44.0 | Appointed | Richard Paul Stravius † | Apostolic Internuncio to Flanders, Belgium | Auxiliary Bishop of Köln {Cologne}, Germany | 
| 60.0 | Died | Diego Pereda, O.S. † | Auxiliary Bishop of Toledo, Spain | 
| 66.0 | Died | Andrea Pierbenedetti † | Bishop of Venosa, Italy | 
| 50.0 | Resigned | Pierre Pisani, O.F.M. † | Bishop of Hierapetra et Sitia, Greece | Bishop Emeritus | 
 | Born | Giovanni Riccanale † |  | Bishop of Boiano, Italy | 
 | Born | Hyacinthus de Saldanha, O.P. † |  | Auxiliary Bishop of Goa, India | 
| 56.0 | Died | Filippo Salviati † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy | 
 | Born | Joachim Skirmunt † |  | Auxiliary Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | 
| 60.0 | Resigned | Giovanni Michele de Varolis, O.F.M. Conv. † | Bishop of Cefalonia e Zante, Greece | Bishop Emeritus | 
 | Born | Angelo Veniero (Venerius) † |  | Bishop of Tinos and Mykonos, Greece | 
| 1 Jan | 65.0 | Ordained Bishop | Mendo de Benavides † | Bishop of Segovia, Spain | Bishop of Cartagena (en España) | 
| 6 Jan | 57.0 | Died | Meletiy Maksym Smotrytskyi (Smotrycki) † | Titular Archbishop of Hierapolis in Phrygia | 
| 8 Jan |  | Ordained Priest | Marino Badoer, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Pula (Pola), Croatia | 
| 9 Jan | 41.7 | Appointed | Francesco Maria Brancaccio † | Cardinal-Priest of Santi XII Apostoli | Cardinal, Cardinal-Bishop of Porto e Santa Rufina | 
| 54.0 | Appointed | Diego Castejón Fonseca † | Bishop of Lugo, Spain | Bishop of Tarazona, Spain | 
| 38.5 | Installed | Ulderico Carpegna † | Cardinal-Priest of Sant’Anastasia | Cardinal, Cardinal-Bishop of Porto e Santa Rufina | 
 | Appointed | Pablo Durán † | Bishop of Urgell, Spain | 
| 39.4 | Installed | Stefano Durazzo † | Cardinal-Priest of San Lorenzo in Panisperna | Cardinal, Archbishop Emeritus of Genova, Italy | 
| 62.0 | Appointed | Hernando Guerrero, O.S.A. † | Archbishop of Manila, Philippines | 
| 57.0 | Installed | Agostino Oreggi (Oregius) † | Cardinal-Priest of San Sisto | Cardinal, Archbishop of Benevento, Italy | 
| 51.0 | Appointed | Andrzej Szołdrski † | Bishop of Kyiv (Kijów), Ukraine | Bishop of Poznań, Poland | 
| 46.0 | Installed | Benedetto Ubaldi † | Cardinal-Deacon of Santi Vito, Modesto e Crescenzia | Cardinal, Bishop Emeritus of Perugia, Italy | 
| 70.0 | Confirmed | Diego Zúñiga Sotomayor † | Bishop of Zamora, Spain | 
| 13 Jan | 67.3 | Died | Antonio Albergati † | Bishop Emeritus of Bisceglie, Italy | 
| 16 Jan |  | Born | Francisco de Figueroa, O.S.A. † |  | Bishop of Tropea, Italy | 
| 23 Jan | 64.0 | Appointed | Diego Aduarte, O.P. † | Bishop of Nueva Segovia, Philippines | 
 | Appointed | Luis García Rodríguez † | Bishop of Orense, Spain | Bishop of Astorga, Spain | 
| 28 Jan | 49.0 | Resigned | Fabio Lagonissa † | Apostolic Nuncio to Flanders, Belgium | Titular Patriarch of Antiochia {Antioch} | 
| 29 Jan | 55.2 | Ordained Bishop | Cristóbal Guzmán Santoyo † | Bishop of Palencia, Spain | 
| 51.8 | Ordained Bishop | Bartolomé Santos de Risoba † | Bishop of León, Spain | Bishop of Sigüenza, Spain | 
| 30 Jan |  | Born | Johann Hugo von Orsbeck † |  | Archbishop of Trier, Germany | 
| 31 Jan |  | Appointed | Lorenzo Campeggi † | Apostolic Nuncio to Spain | Bishop of Senigallia, Italy | 
| 39.7 | Resigned | Cesare Monti † | Apostolic Nuncio to Spain | Cardinal, Archbishop of Milano {Milan}, Italy | 
| 6 Feb | 38.0 | Appointed | Ippolito Aldobrandini (Jr.) † | Cardinal, Cardinal-Deacon of Sant’Eustachio | 
| 42.0 | Appointed | Francesco Boncompagni † | Cardinal-Priest of Santi Quattro Coronati | Cardinal, Archbishop of Napoli {Naples}, Italy | 
| 47.9 | Appointed | Marzio Ginetti † | Cardinal-Deacon of Sant’Angelo in Pescheria | Cardinal, Cardinal-Bishop of Porto e Santa Rufina | 
| 52.2 | Appointed | Gregorio Naro † | Cardinal, Bishop of Rieti, Italy | 
| 18 Feb | 22.1 | Professed | Juan de la Calle y Heredia, O. de M. † | Member of Order of Our Lady of Mercy | Bishop of Arequipa, Peru | 
| 20 Feb | 40.1 | Appointed | Jean de Sponde † | Coadjutor Bishop of Pamiers, France | Bishop | 
| 40.1 | Appointed | Jean de Sponde † | Titular Bishop of Megara | Bishop of Pamiers, France | 
| Mar | 70.1 | Died | Mario Orsini † | Bishop of Tivoli, Italy | 
| 1 Mar | 62.1 | Died | Juan Guzmán, O.F.M. † | Archbishop of Zaragoza, Spain | 
| 4 Mar | 24.2 | Resigned | Nicolas François de Lorraine-Vaudémont † | Bishop-Elect of Toul, France | Former Bishop-Elect | 
| 12 Mar | 52.3 | Ordained Bishop | Gregorio Naro † | Cardinal, Bishop of Rieti, Italy | 
| 42.1 | Ordained Bishop | Eugene Sweeney † | Bishop of Kilmore, Ireland | 
| 14 Mar |  | Born | Jules Mascaron, C.O.I. † |  | Bishop of Agen, France | 
| 19 Mar | 56.2 | Ordained Bishop | Antonio Valdés Herrera † | Bishop of Mondoñedo, Spain | Bishop of Córdoba, Spain | 
| 53.2 | Ordained Bishop | Benedikt Vinković † | Bishop of Pécs, Hungary | Bishop of Zagreb (Agram), Croatia | 
| 22 Mar | 41.2 | Appointed | Giovanni Paolo Bucciarelli (Buccerelli) † | Bishop of Narni, Italy | 
| 56.2 | Appointed | Loreto Di Franco (De Franchis) † | Bishop of Capri, Italy | Bishop of Minori, Italy | 
| 62.4 | Appointed | Pedro Magarola Fontanet † | Bishop of Lérida, Spain | 
| 26 Mar | 37.4 | Resigned | Alessandro Bichi † | Apostolic Nuncio to France | Cardinal, Bishop of Carpentras, France | 
| 38.2 | Appointed | Giorgio (Gregorio) Bolognetti † | Apostolic Nuncio to France | Bishop Emeritus of Rieti, Italy | 
| 56.2 | Ordained Bishop | Loreto Di Franco (De Franchis) † | Bishop of Capri, Italy | Bishop of Minori, Italy | 
| 2 Apr |  | Ordained Bishop | Antonio González Acevedo † | Bishop of Almería, Spain | Bishop of Coria, Spain | 
| 46.2 | Appointed | Benedetto Ubaldi † | Bishop of Perugia, Italy | Cardinal, Bishop Emeritus | 
| 3 Apr | 63.3 | Appointed | Antonio Arrigoni, O.F.M. Obs. † | Bishop of Ripatransone, Italy | 
| 51.2 | Confirmed | Jacinto del Cerro, O.P. † | Bishop of Gaeta, Italy | 
 | Born | Pier Giulio Delfino † |  | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia | 
 | Confirmed | Nicolas de Grillier † | Bishop of Uzés, France | 
| 37.2 | Appointed | Antonio Severoli † | Archbishop of Dubrovnik (Ragusa), Croatia | Archbishop Emeritus | 
| 50.2 | Appointed | Cosimo de Torres † | Cardinal, Archbishop of Monreale, Italy | 
| 17 Apr | 63.3 | Ordained Bishop | Antonio Arrigoni, O.F.M. Obs. † | Bishop of Ripatransone, Italy | 
| 37.2 | Ordained Bishop | Antonio Severoli † | Archbishop of Dubrovnik (Ragusa), Croatia | Archbishop Emeritus | 
| 18 Apr | 41.2 | Ordained Bishop | Giovanni Paolo Bucciarelli (Buccerelli) † | Bishop of Narni, Italy | 
| 51.2 | Ordained Bishop | Jacinto del Cerro, O.P. † | Bishop of Gaeta, Italy | 
| 23 Apr |  | Ordained Bishop | Pablo Durán † | Bishop of Urgell, Spain | 
| 46.3 | Ordained Bishop | Benedetto Ubaldi † | Bishop of Perugia, Italy | Cardinal, Bishop Emeritus | 
| May | 41.4 | Ordained Bishop | Eustache de Chery † | Titular Bishop of Philadelphia in Arabia | Bishop Emeritus of Nevers, France | 
| 14 May |  | Born | Jean de Gaillard de Longjumeau † |  | Bishop of Apt, France | 
| 19 May | 62.3 | Installed | Pedro da Silva Sampaio † | Bishop of São Salvador da Bahia de Todos os Santos, Brazil | 
| 21 May | 70.1 | Ordained Bishop | Domingo Cano de Haro, O.P. † | Bishop of Cádiz, Spain | 
| 23 May | 42.3 | Selected | Christophe de France † | Bishop of Saint-Omer, France | 
| 31 May | 59.4 | Died | Cosimo Mannucci † | Bishop of Terni, Italy | 
| Jun |  | Born | Marino Giovanni Zorzi (Giorgi) † |  | Bishop of Brescia, Italy | 
| 4 Jun | 65.4 | Died | Luca Antonio Virili † | Cardinal, Cardinal-Priest of San Salvatore in Lauro | 
| 41.2 | Ordained Deacon | Franz Wilhelm von Wartenberg † | Deacon | Cardinal, Bishop of Regensburg, Germany | 
| 10 Jun | 23.5 | Ordained Priest | Alexander Dirre † | Priest of Olomouc (Olmütz), Czechia | Auxiliary Bishop | 
| 11 Jun | 51.4 | Ordained Bishop | Andrzej Szołdrski † | Bishop of Kyiv (Kijów), Ukraine | Bishop of Poznań, Poland | 
| 12 Jun |  | Appointed | Dominici de Grammatica † | Bishop of Andros, Greece | 
| 61.4 | Appointed | Stanisław Łoza † | Titular Bishop of Argos | Auxiliary Bishop of Lutsk (Łuck), Ukraine | 
| 61.4 | Confirmed | Stanisław Łoza † | Auxiliary Bishop of Lutsk (Łuck), Ukraine | 
| 56.4 | Appointed | Stanislaw Nieborski † | Auxiliary Bishop of Vilnius, Lithuania | 
| 56.4 | Appointed | Stanislaw Nieborski † | Titular Bishop of Methone | Auxiliary Bishop of Vilnius, Lithuania | 
| 18 Jun |  | Ordained Bishop | Henri Listolfi Maroni † | Bishop of Bazas, France | 
| 56.4 | Ordained Bishop | Stanislaw Nieborski † | Titular Bishop of Methone | Auxiliary Bishop of Vilnius, Lithuania | 
| 24 Jun | 45.4 | Resigned | Giovanni Delfino † | Bishop of Belluno, Italy | Bishop Emeritus | 
 | Appointed | Costantino de Rossi, C.R.S. † | Bishop of Cefalonia e Zante, Greece | Bishop of Krk (Veglia), Croatia | 
| 26 Jun | 52.4 | Appointed | Giovanni Jovanczyi † | Bishop of Knin (Tinin), Croatia | 
| 55.4 | Appointed | Giovanni Tommaso Malloni (Mallono), C.R.S. † | Bishop of Belluno, Italy |