Date | Age | Event | Bishop | Title | Current Title |
unknown | | Born | Attilio Amalteo † | | Apostolic Nuncio |
| Born | Pedro de Arce, O.S.A. † | | Bishop of Cebu, Philippines |
| Born | Nikolaus Arresdorf, O.F.M. Conv. † | | Auxiliary Bishop of Paderborn, Germany |
| Died | Giorgio Artea † | Bishop of Ampurias e Civita, Italy |
| Born | Peter Binsfeld † | | Auxiliary Bishop of Trier, Germany |
| Born | Matteo Brumani, C.R.S.A. † | | Bishop of Melfi e Rapolla, Italy |
| Died | Juan Canuti † | Bishop of Cariati e Cerenzia, Italy |
| Born | Sebastian Cattaneo, O.P. † | | Bishop of Chiemsee, Germany |
| Died | James Chisholm † | Bishop Emeritus of Dunblane, Scotland, Great Britain |
| Born | Ilario Cortesi, C.R. † | | Bishop of Policastro, Italy |
| Born | Antaldo degli Antaldi † | | Bishop of Senigallia, Italy |
| Died | Francesco della Rovere † | Archbishop Emeritus of Benevento, Italy |
| Born | Johann Ertlin † | | Auxiliary Bishop of Bamberg, Germany |
| Died | Giacomo Fieschi † | Bishop-Elect of Savona, Italy |
| Born | Alessandro de Franceschi, O.P. † | | Bishop Emeritus of Forli, Italy |
| Died | Cherubino Gaetano † | Bishop of Satriano e Campagna, Italy |
| Born | Fabrizio Gallo † | | Bishop of Nola, Italy |
| Born | Alessio Geromoaddi † | | Bishop of Isernia, Italy |
| Died | Costantino Giustianiani, O.P. † | Bishop of Ceos and Thermia, Greece |
| Born | Juan González de Mendoza, O.S.A. † | | Bishop of Popayán, Colombia |
| Died | Louis Huillart, O. Cist. † | Auxiliary Bishop of Périgueux (Vesuna), France |
68.0 | Selected | Anthony Dunstan Kitchin † | Bishop | Bishop of Llandaff, Wales, Great Britain |
| Born | János Kutasy † | | Archbishop of Esztergom, Hungary |
| Born | Patrizio Lunati (Laosio) † | | Bishop of Nusco, Italy |
| Died | Giovanni Leclerc † | Bishop of Macerata, Italy |
| Born | Francisco López de Mendoza † | | Bishop of Sigüenza, Spain |
| Born | Alfonso López Gallo † | | Bishop of Valladolid, Spain |
| Born | Gilbert Maes † | | Bishop of ’s-Hertogenbosch (Bois-le-Duc), Netherlands |
| Died | Gaspar Antonio del Monte † | Bishop of Civitate (Città or Civita), Italy |
| Born | Johann Kaspar Neuböck † | | Bishop of Wien, Austria |
| Resigned | Benedetto de Nobili † | Bishop of Acci (Accia), France | Bishop Emeritus |
26.0 | Professed | João Nunes Barreto, S.J. † | Priest of Society of Jesus | Patriarch of Ethiopia |
| Died | Chérubin d’Orsière † | Bishop of Digne, France |
60.0 | Resigned | Francesco Pisani † | Titular Patriarch of Constantinople | Patriarch Emeritus |
| Born | Juan (Giovanni) de Rada, O.F.M. Obs. † | | Bishop of Patti, Italy |
56.0 | Died | Jean Reff † | Bishop Emeritus of Oslo, Norway |
| Born | Paolo Regio † | | Bishop of Vico Equense, Italy |
| Born | Angelo Rocca, O.S.A. † | | Titular Bishop of Thagaste |
| Born | Giulio Santuccio, O.F.M. Conv. † | | Bishop of Sant’Agata de’ Goti, Italy |
| Died | Giovanni Matteo Sartori † | Bishop of Volterra, Italy |
| Ordained Bishop | Georg Schweicker † | Titular Bishop of Daulia | Auxiliary Bishop of Speyer, Germany |
70.0 | Resigned | Ottaviano Maria Sforza † | Bishop of Terracina, Priverno e Sezze, Italy | Bishop Emeritus |
| Appointed | Stanislav Škovránko (Várallyi) † | Official of Spiš, Slovakia | Bishop of Pécs, Hungary |
| Died | Francisco de Solís Quiñones y Montenegro, O.S. † | Bishop of Bagnoregio (Bagnorea), Italy |
| Born | Francisco Sobrino Morillas † | | Bishop of Valladolid, Spain |
| Died | Filippo Strozzi, O.P. † | Archbishop Emeritus of Sorrento, Italy |
| Died | Panfilo Strassoldo † | Archbishop of Dubrovnik (Ragusa), Croatia |
| Died | Valeriano Tartarini † | Bishop of Alatri, Italy |
| Born | Kyrylo (Cyryl) Terletskyi (Terlecki) † | | Bishop of Lutzk e Ostrog (Ukrainian), Ukraine |
| Born | Juan de Zapata y Sandoval, O.S.A. † | | Bishop of Santiago de Guatemala |
4 Jan | | Ordained Bishop | Luzius Iter † | Bishop of Chur, Switzerland |
7 Jan | 32.5 | Elevated to Cardinal | Cristoforo Madruzzo † | Cardinal, Bishop of Brixen {Bressanone}, Italy |
9 Jan | 41.8 | Installed | Niccolò Ardinghelli † | Cardinal-Priest of Sant’Apollinare | Cardinal, Bishop Emeritus of Fossombrone, Italy |
44.5 | Installed | Federico Cesi † | Cardinal-Priest of San Pancrazio | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
33.0 | Installed | Andrea Cornaro † | Cardinal-Deacon of San Teodoro | Cardinal, Bishop of Brescia, Italy |
46.9 | Installed | Tiberio Crispi † | Cardinal-Deacon of Sant’Agata de’ Goti | Cardinal, Cardinal-Bishop of Sabina |
44.0 | Installed | Georges d’Armagnac † | Cardinal-Priest of Santi Giovanni e Paolo | Cardinal, Archbishop Emeritus of Tours, France |
37.2 | Installed | Durante Duranti † | Cardinal-Priest of Santi XII Apostoli | Cardinal, Bishop of Brescia, Italy |
42.0 | Appointed | Antonio de Fonseca, O.S.A. † | Bishop of Pamplona, Spain | Bishop Emeritus |
46.0 | Appointed | Niccolò Gaddi † | Cardinal-Deacon of Santi Vito, Modesto e Crescenzia | Cardinal, Cardinal-Priest of Santa Maria in Via Lata |
32.5 | Installed | Cristoforo Madruzzo † | Cardinal-Priest of San Cesareo in Palatio | Cardinal, Bishop of Brixen {Bressanone}, Italy |
56.5 | Appointed | Pedro Pacheco de Villena (Ladrón de Guevara) † | Bishop of Jaén, Spain | Cardinal, Bishop of Sigüenza, Spain |
51.0 | Resigned | Francesco Pisani † | Cardinal-Deacon of Sant’Agata de’ Goti | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
42.5 | Installed | Girolamo Recanati Capodiferro † | Cardinal-Deacon of San Giorgio in Velabro | Cardinal, Bishop of Saint-Jean-de-Maurienne, France |
14 Jan | 15.0 | Entered | Amador Arrais de Mendoza, O. Carm. † | Member of Order of Our Lady of Mt. Carmel | Bishop Emeritus of Portalegre, Portugal |
19 Jan | | Appointed | Geronimo Albertini † | Bishop of Avellino e Frigento, Italy | Former Bishop-Elect |
65.0 | Died | Alonso Ruiz de Virués, O.S.B. † | Bishop of Islas Canarias {Canary Islands}, Spain |
23 Jan | 57.0 | Appointed | Marino Grimani † | Administrator of Ceneda, Italy | Cardinal, Titular Patriarch of Constantinople |
38.5 | Appointed | Giovanni Grimani † | Patriarch of Aquileia, Italy |
5 Feb | 21.0 | Professed | Pedro Martín Fernández, O.P. † | Member of Order of Friars Preachers | Bishop of Chiapas (Ciudad Real de Chiapas), México |
63.0 | Ordained Bishop | Giovanni Pietro Ferretti † | Bishop of Milos (Melos), Greece | Bishop Emeritus of Lavello, Italy |
8 Feb | 32.9 | Ordained Bishop | Pedro Agustín y Albanell † | Bishop of Elne, France | Bishop of Huesca, Spain |
19.9 | Ordained Bishop | Charles de Guise de Lorraine † | Cardinal, Archbishop of Reims, France |
41.1 | Ordained Bishop | Pablo Gil de Talavera † | Bishop of Tlaxcala (Puebla de los Angeles), México |
18 Feb | | Died | Johann Kluspeck, O. Cist. † | Auxiliary Bishop of Regensburg, Germany |
20 Feb | | Appointed | Pedro Castro Lemos † | Bishop of Salamanca, Spain | Bishop of Cuenca, Spain |
75.1 | Resigned | Bartolomeo Guidiccioni † | Administrator of Chiusi, Italy | Cardinal, Bishop of Lucca, Italy |
27.1 | Appointed | Giovanni Andrea Mercurio † | Archbishop of Manfredonia, Italy | Cardinal, Archbishop of Messina, Italy |
46.3 | Appointed | Giovanni Ricci † | Archbishop (Personal Title) of Chiusi, Italy | Cardinal, Archbishop of Pisa, Italy |
28 Feb | 37.2 | Ordained Priest | Friedrich von Wirsberg † | Priest | Bishop of Würzburg, Germany |
Mar | 41.1 | Died | Pablo Gil de Talavera † | Bishop of Tlaxcala (Puebla de los Angeles), México |
2 Mar | | Appointed | Donato Martuccio (Maricucci) † | Bishop of Lavello, Italy | Bishop Emeritus of Sarno, Italy |
| Appointed | Gian Vincenzo Micheli † | Bishop of Minervino Murge, Italy |
51.3 | Installed | Francesco Sfondrati † | Cardinal-Priest of Santi Nereo ed Achilleo | Cardinal, Bishop of Cremona, Italy |
11 Mar | 44.6 | Appointed | Federico Cesi † | Administrator of Cervia, Italy | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| Appointed | Giovanni Andrea Cesi † | Bishop of Todi, Italy | Bishop Emeritus |
17 Mar | 45.2 | Ordained Bishop | Robert Wauchope † | Archbishop of Armagh, Ireland |
18 Mar | | Appointed | Giambatista Borgia † | Bishop of Massa Lubrense, Italy |
| Born | Julius Echter von Mespelbrunn † | | Bishop of Würzburg, Germany |
| Appointed | Joachim von Muensterburg † | Bishop of Brandenburg, Germany |
21 Mar | 36.2 | Ordained Bishop | Girolamo Dandini † | Bishop of Caserta, Italy | Cardinal, Bishop Emeritus of Imola, Italy |
| Ordained Bishop | Marino Ruffino † | Bishop of Sarno, Italy | Bishop of Melfi e Rapolla, Italy |
22 Mar | | Appointed | Manuel de Sousa † | Archbishop of Braga, Portugal | Archbishop Emeritus |
| Appointed | Toribio López † | Bishop of Miranda (do Douro), Portugal |
23 Mar | 44.7 | Resigned | Federico Cesi † | Administrator of Cervia, Italy | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
57.2 | Appointed | Marino Grimani † | Cardinal, Titular Patriarch of Constantinople |
| Appointed | Scipione Santacroce † | Bishop of Cervia, Italy | Bishop Emeritus |
31 Mar | 80.8 | Appointed | Roberto Pucci † | Major Penitentiary of the Apostolic Penitentiary | Cardinal, Bishop of Melfi e Rapolla, Italy |
Apr | | Ordained Bishop | Niccolò Francesco Missanelli † | Bishop of Policastro, Italy |
3 Apr | 65.2 | Died | Antonio Guevara Noroña, O.F.M. Obs. † | Bishop of Mondoñedo, Spain |
6 Apr | 58.2 | Ordained Bishop | Paweł Dunin-Wolski † | Bishop of Poznań, Poland |
7 Apr | | Born | Gian Francesco Biandrate di San Giorgio Aldobrandini † | | Cardinal, Bishop of Faenza, Italy |
13 Apr | 22.2 | Appointed | Giacomo Savelli † | Administrator of Teramo, Italy | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| Appointed | Bernardino Silverii-Piccolomini † | Archbishop of Sorrento, Italy |
17 Apr | 49.6 | Appointed | Juan Bernal Díaz de Luco † | Bishop of Calahorra y La Calzada, Spain |
| Appointed | Marco Antonio Falconi † | Bishop of Cariati e Cerenzia, Italy |
66.2 | Died | William Stewart † | Bishop of Aberdeen, Scotland, Great Britain |
1 May | | Born | Neytard von Thüngen † | | Bishop of Bamberg, Germany |
3 May | 68.3 | Ordained Bishop | Anthony Dunstan Kitchin † | Bishop | Bishop of Llandaff, Wales, Great Britain |
79.3 | Died | Pedro de Ponte, O.SS.T. † | Auxiliary Bishop of Valencia, Spain |
10 May | 32.3 | Ordained Bishop | Leone Orsini † | Bishop of Fréjus, France |
| Ordained Bishop | Teodoro Pio † | Bishop of Faenza, Italy |
11 May | 17.5 | Appointed | Louis de Guise de Lorraine † | Bishop of Troyes, France | Cardinal, Bishop of Metz, France |
72.3 | Died | Pietro Paolo Parisio † | Cardinal, Bishop of Nusco, Italy |
67.8 | Appointed | Jacopo Sadoleto † | Cardinal-Priest of Santa Balbina | Cardinal, Bishop of Carpentras, France |
22 May | | Appointed | Blaz de Barros, O.S.H. † | Bishop of Leiria, Portugal | Bishop Emeritus |
| Appointed | Ludovico de Cotes, O.S.A. † | Bishop of Ampurias e Civita, Italy |
38.3 | Appointed | João Soares, O.S.A. † | Bishop of Coimbra, Portugal |
| Appointed | Nicolò Vernely (Verneey) † | Bishop of Bagnoregio (Bagnorea), Italy | Bishop Emeritus |
31 May | 49.7 | Ordained Bishop | Juan Bernal Díaz de Luco † | Bishop of Calahorra y La Calzada, Spain |
1 Jun | | Appointed | Luigi Cavalcanti † | Bishop of Nusco, Italy | Bishop of Bisignano, Italy |
7 Jun | | Ordained Bishop | Ludovico de Cotes, O.S.A. † | Bishop of Ampurias e Civita, Italy |
8 Jun | 33.2 | Appointed | Pedro Agustín y Albanell † | Bishop of Huesca, Spain |
45.4 | Appointed | Pierre Duval † | Bishop of Sées {Séez}, France | Bishop Emeritus |
49.4 | Appointed | Jan Dziaduski † | Bishop of Przemyśl, Poland |
| Resigned | Cesare Lambertini † | Bishop of Isola, Italy | Bishop Emeritus |
| Appointed | Tommaso Lambertini † | Bishop of Isola, Italy |
| Appointed | François de Mauny † | Bishop of Saint-Brieuc, France | Archbishop of Bordeaux, France |
| Appointed | Miguel Puig † | Bishop of Elne, France | Bishop of Lérida, Spain |
49.4 | Appointed | Andrzej Zebrzydowski † | Bishop of Chełm, Poland | Bishop of Kraków, Poland |
15 Jun | 26.4 | Appointed | Girolamo Mannelli † | Coadjutor Bishop of Nocera Umbra, Italy | Bishop |
| Appointed | Philippe Musnier, O.SS.T. † | Auxiliary Bishop of Chalons-sur-Marne, France |
| Appointed | Philippe Musnier, O.SS.T. † | Titular Bishop of Philadelphia in Lydia | Auxiliary Bishop of Chalons-sur-Marne, France |
50.4 | Appointed | Charles de Pisseleu † | Bishop of Condom, France |
22 Jun | 26.4 | Appointed | Benedetto Nerli † | Bishop of Volterra, Italy |