Date | Age | Event | Bishop | Title | Current Title |
unknown | | Born | Pompeo Angelotti † | | Bishop of Terracina, Priverno e Sezze, Italy |
| Born | Francesco Arata † | | Bishop of Lipari, Italy |
| Died | Tommaso Balbani † | Bishop of Penne e Atri, Italy |
| Died | Camillo Beccio, O.S.A. † | Bishop of Acqui, Italy |
| Born | Jerzy Białłozor † | | Bishop of Vilnius, Lithuania |
69.0 | Died | Nicola Bianchi † | Bishop of Sapë, Albania |
68.0 | Died | Francesco Boncianni † | Archbishop of Pisa, Italy |
| Born | António Brandão, O. Cist. † | | Archbishop of Goa, India |
| Born | Buonaccorso Buonacorsi † | | Cardinal, Cardinal-Deacon of Santa Maria della Scala |
44.0 | Appointed | Scipione Caffarelli-Borghese † | Archpriest of the Basilica di San Pietro in Vaticano {Saint Peter Basilica} | Cardinal, Cardinal-Bishop of Sabina |
| Born | Francesco Casati † | | Titular Archbishop of Trapezus |
| Born | Paul-Philippe de Chaumont Quitry † | | Bishop Emeritus of Acqs (Dax), France |
| Born | Pedro de Copons i de Teixidor † | | Bishop of Urgell, Spain |
| Born | Francisco José Crespos de Escobar † | | Bishop of Agrigento (Girgenti), Italy |
| Born | Cristovão de Almeida, O.S.A. † | | Auxiliary Bishop of Lisboa, Portugal |
| Born | Carlo de Angelis † | | Bishop of Acerra, Italy |
| Died | Ferdinando (Pietro) D’Avila, O.F.M. Obs. † | Bishop of Ascoli Satriano (Puglia), Italy |
| Born | Estevão dos Santos Carneiro de Moraes, C.R.S.J.E. † | | Bishop of São Salvador da Bahia de Todos os Santos, Brazil |
| Born | Nicolás Ortiz del Puerto y Colmenares Salgado † | | Bishop of Antequera, Oaxaca, México |
| Died | Stefano de Vicari, O.P. † | Bishop of Nocera de’ Pagani, Italy |
| Born | Serafino Esquirro † | | Bishop of Ales e Terralba, Italy |
| Born | Gerardus Galata † | | Archbishop of Durrës (Durazzo), Albania |
| Died | Ottaviano Garzadori † | Bishop of Ossero (Osor), Croatia |
| Born | Giulio Vincenzo Gentile, O.P. † | | Archbishop of Genova, Italy |
| Died | Luca Antonio Gigli (Lilius) † | Bishop of Alatri, Italy |
| Born | Antoine Glielmi † | | Bishop of Acerno, Italy |
37.0 | Ordained Bishop | Joannes Franciscus Gniński † | Titular Bishop of Aenos | Auxiliary Bishop of Poznań, Poland |
80.0 | Died | Ignatiy Grek † | Bishop |
| Born | Giuseppe Guarchi † | | Bishop of Syros (e Milos), Greece |
| Born | Juan Herrero Jaraba † | | Bishop of Plasencia, Spain |
| Born | Martín Ibáñez y Villanueva, O.SS.T. † | | Archbishop of Reggio Calabria, Italy |
20.0 | Ordained Deacon | Rafał Mikołaj Korsak, O.S.B.M. † | Deacon of Basilian Order of Saint Josaphat (Order of St. Basil the Great) | Archbishop of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine |
30.0 | Resigned | Alphonse de La Croix de Chevrières † | Bishop of Grenoble, France | Bishop Emeritus |
47.0 | Appointed | Giambattista Leni † | Archpriest of the Arcibasilica di San Giovanni in Laterano {Saint John Lateran Basilica} | Cardinal, Bishop of Ferrara, Italy |
| Born | Giacomo Lenza, O.S.B. † | | Archbishop of Conza, Italy |
27.0 | Ordained Bishop | André Le Porc de la Porte † | Bishop of Saint-Brieuc, France |
| Died | Eustachy Maliński † | Bishop of Lutzk e Ostrog (Ukrainian), Ukraine |
| Born | Fulgenzio Arminio Monforte, O.S.A. † | | Bishop Emeritus of Nusco, Italy |
64.0 | Resigned | Pietro Francesco Montorio † | Bishop of Nicastro, Italy | Bishop Emeritus |
| Born | Louis-Henri de Pardaillon de Gondrin † | | Archbishop of Sens, France |
| Born | Giovanni Evangelista Parzaghi, O.F.M. † | | Archbishop of Zadar (Zara), Croatia |
| Resigned | Sebastiano Poggi † | Bishop of Ripatransone, Italy | Bishop Emeritus |
| Born | Manuel de Saldanha † | | Bishop of Viseu, Portugal |
| Born | Pedro a São Agostinho, O.F.M. Obs. † | | Auxiliary Bishop of Coimbra, Portugal |
| Born | Giuseppe Maria Sebastiani, O.C.D. † | | Bishop of Città di Castello, Italy |
43.0 | Ordained Priest | Meletiy Maksym Smotrytskyi (Smotrycki) † | Priest | Titular Archbishop of Hierapolis in Phrygia |
| Born | Pavao Zorčić, O.S.B.M. † | | Vicar Apostolic of Valachia (Križevci), Croatia |
| Born | Ramón Sureda Santa Cilia † | | Auxiliary Bishop of Mallorca, Spain |
32.0 | Ordained Priest | Marcos de Torres y Rueda † | Priest | Bishop of Yucatán (Mérida), México |
24.0 | Ordained Priest | Jerzy Tyszkiewicz † | Priest | Bishop of Vilnius, Lithuania |
| Born | Carlo Vaini † | | Titular Archbishop of Nicaea |
| Born | Stefan Wierzbowski † | | Bishop of Poznań, Poland |
| Born | Krzysztof Jan Żegocki † | | Bishop of Chełm, Poland |
| Born | Benedykt Żuchorski † | | Auxiliary Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
13 Jan | 37.0 | Appointed | Luigi Capponi † | Cardinal-Deacon of Sant’Angelo in Pescheria | Cardinal, Archbishop Emeritus of Ravenna, Italy |
17 Jan | | Born | Girolamo Compagnone † | | Archbishop of Rossano, Italy |
27 Jan | 60.0 | Appointed | Giandomenico Ridolfi, C.R. † | Bishop of Oria, Italy |
38.0 | Appointed | Etienne (Karl) Weinberger, O.F.M. † | Auxiliary Bishop of Wrocław (Breslau), Poland |
38.0 | Appointed | Etienne (Karl) Weinberger, O.F.M. † | Titular Bishop of Nazianzus | Auxiliary Bishop of Wrocław (Breslau), Poland |
10 Feb | 51.1 | Appointed | Eusebius Caimus † | Bishop of Novigrad (Cittanova), Croatia |
13 Feb | | Born | Girolamo Casanate † | | Cardinal, Cardinal-Priest of San Silvestro in Capite |
17 Feb | 37.1 | Appointed | Lorenzo Azzolini † | Bishop of Ripatransone, Italy | Bishop of Narni, Italy |
59.1 | Appointed | Jerónimo Venero Leyva † | Archbishop of Monreale, Italy |
45.1 | Confirmed | Jan Wężyk † | Bishop of Przemyśl, Poland | Archbishop of Gniezno, Poland |
21 Feb | | Died | Aloisio Grimani † | Archbishop of Candia {Crete}, Greece |
23 Feb | 72.1 | Died | Luis Sans y Códol † | Bishop of Barcelona, Spain |
59.1 | Ordained Bishop | Jerónimo Venero Leyva † | Archbishop of Monreale, Italy |
25 Feb | 37.1 | Ordained Bishop | Lorenzo Azzolini † | Bishop of Ripatransone, Italy | Bishop of Narni, Italy |
Mar | 37.1 | Ordained Bishop | Gui Champion de Cicé † | Bishop of Tréguier, France |
1 Mar | 10.7 | Appointed | Fernando de Austria † | Cardinal, Administrator of Toledo, Spain |
2 Mar | 74.1 | Died | Francesco Gonzaga, O.F.M. Obs. † | Bishop of Mantova, Italy |
| Born | Henri-Marie de Laval de Bois-Dauphin † | | Bishop of La Rochelle, France |
38.1 | Succeeded | Vincenzo Agnello Suardi † | Bishop of Mantova, Italy |
11 Mar | 65.1 | Died | Eucharius Sang † | Auxiliary Bishop of Würzburg, Germany |
12 Mar | 51.1 | Ordained Bishop | Eusebius Caimus † | Bishop of Novigrad (Cittanova), Croatia |
73.1 | Died | Cosimo Dossena, B. † | Bishop of Tortona, Italy |
69.1 | Died | Prudencio Sandoval, O.S.B. † | Bishop of Pamplona, Spain |
14 Mar | 24.4 | Ordained Priest | Cristoforo Pietro Antonio Giarda, B. † | Priest of Clerics Regular of St. Paul | Bishop of Castro [del Lazio], Italy |
22 Mar | | Died | Nicolas de Briroy † | Bishop of Coutances, France |
25 Mar | | Born | Nicolas Ladvocat-Billiard † | | Bishop of Boulogne (-Sur-Mer), France |
26 Mar | 84.7 | Died | Domenico Toschi † | Cardinal, Bishop Emeritus of Tivoli, Italy |
28 Mar | 75.2 | Died | Nikolaus Arresdorf, O.F.M. Conv. † | Auxiliary Bishop of Paderborn, Germany |
30 Mar | 53.2 | Selected | Pedro Carranza Salinas, O. Carm. † | Bishop of Buenos Aires, Argentina |
49.2 | Appointed | Alessandro Damasceni Peretti † | Cardinal-Priest of San Lorenzo in Damaso | Cardinal, Cardinal-Bishop of Albano |
66.4 | Died | Antonio Maria Gallo † | Cardinal, Bishop of Osimo, Italy |
38.2 | Appointed | (Thomas) Alfonso Pozzi † | Bishop of Borgo San Donnino, Italy |
50.2 | Appointed | Tomás de la Torre Gibaja, O.P. † | Bishop of Paraguay (o Ssma Assunzione) | Bishop of Córdoba (Tucumán), Argentina |
Apr | 61.2 | Died | Manuel Baptista Soares, O.F.M. † | Bishop of Angola e Congo |
4 Apr | | Born | Bernardino León de la Rocha † | | Bishop of Coria, Spain |
5 Apr | 38.2 | Ordained Bishop | (Thomas) Alfonso Pozzi † | Bishop of Borgo San Donnino, Italy |
6 Apr | 53.2 | Confirmed | Pedro Carranza Salinas, O. Carm. † | Bishop of Buenos Aires, Argentina |
49.2 | Appointed | Alessandro Damasceni Peretti † | Cardinal, Cardinal-Bishop of Albano |
72.1 | Appointed | Giovanni Evangelista Pallotta † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
77.2 | Appointed | Antonmaria Sauli † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
57.4 | Appointed | Francesco Sforza † | Cardinal-Bishop of Frascati | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
58.2 | Appointed | Plácido Tosantos Medina, O.S.B. † | Bishop of Guadix, Spain | Bishop of Zamora, Spain |
8 Apr | 75.2 | Died | Angelo Rocca, O.S.A. † | Titular Bishop of Thagaste |
25 Apr | | Born | Marco Vaccina † | | Bishop of Trevico, Italy |
26 Apr | | Died | Francisco Diaz de Cabrera y Córdoba, O.P. † | Bishop of Trujillo, Peru |
27 Apr | | Died | Benedetto Ala † | Archbishop of Urbino, Italy |
29 Apr | 67.3 | Appointed | Agostino Galamini, O.P. † | Cardinal, Bishop of Osimo, Italy |
38.3 | Appointed | Francesco Maria della Marra † | Bishop of Ascoli Satriano (Puglia), Italy |
51.3 | Appointed | Girolamo Rusca, O.P. † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
1 May | | Born | Sigismondo Isei † | | Bishop of Comacchio, Italy |
3 May | 38.3 | Ordained Bishop | Francesco Maria della Marra † | Bishop of Ascoli Satriano (Puglia), Italy |
46.6 | Ordained Bishop | Johannes Pelking (Pelcking), O.F.M. Conv. † | Titular Bishop of Cardicium | Auxiliary Bishop of Paderborn, Germany |
7 May | 56.3 | Died | Pietro Giorgio Odescalchi † | Bishop of Vigevano, Italy |
16 May | 46.3 | Died | Pedro de São Agostinho Figueira de Cunha Lobo, O.S.A. † | Bishop of São Tomé e Príncipe |
18 May | 60.3 | Appointed | Richard Arthur † | Bishop of Limerick, Ireland |
54.3 | Appointed | Giovanni Battista de Asti, O.S.A. † | Titular Bishop of Thagaste |
29.3 | Appointed | Claude de la Magdelaine † | Bishop of Autun, France |
46.3 | Appointed | Pietro Valier (Valerio) † | Archbishop of Candia {Crete}, Greece | Cardinal, Bishop of Padova {Padua}, Italy |
19 May | | Born | Sisto Maria Pironti, O.P. † | | Bishop of Sarno, Italy |
26 May | | Born | Lancelot de Gottignies † | | Bishop of Roermond, Netherlands |
27 May | 40.6 | Died | Philippe Hurault de Cheverny † | Bishop of Chartres, France |
30 May | 78.4 | Died | Matthias Van den Hove (Hovius) † | Archbishop of Mechelen, Belgium |
31 May | 54.4 | Ordained Bishop | Giovanni Battista de Asti, O.S.A. † | Titular Bishop of Thagaste |
4 Jun | 71.3 | Resigned | Ottavio Accoramboni † | Apostolic Nuncio to Portugal | Archbishop Emeritus of Urbino, Italy |
| Appointed | Vincenzo Landinelli † | Apostolic Collector to Portugal | Bishop Emeritus of Albenga, Italy |
15 Jun | | Appointed | Giuliano de’ Medici † | Archbishop of Pisa, Italy |
40.4 | Appointed | Maurice Hurley (O’Hurley) † | Bishop of Emly, Ireland |
40.4 | Appointed | Giuseppe (Giacomo) Pamphilj † | Bishop of Kotor (Cattaro), Montenegro |
38.4 | Installed | (Thomas) Alfonso Pozzi † | Bishop of Borgo San Donnino, Italy |
20 Jun | 72.4 | Died | Felipe Tarsis de Acuña, O.S. † | Archbishop of Granada, Spain |
21 Jun | | Ordained Bishop | Giuliano de’ Medici † | Archbishop of Pisa, Italy |
25 Jun | | Succeeded | Jean Louis Bertier † | Bishop of Rieux, France | Bishop Emeritus |
27 Jun | 45.4 | Died | August Wiederin von Ottersbach † | Prefect of Lausitz (Lusatia), Germany |