| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Pedro (de Santiago) Anglada Sánchez, O.S.A. † | Sallent | Bishop of Lérida, Spain |
| Died | Corrado Asinari † | Bishop of Vercelli, Italy |
| Born | Joannes Baikowski † | Podlackiae | Titular Bishop of Aenus |
| Born | Marcus Bandulovi (Bandinus), O.F.M. † | Skopje | Titular Bishop of Marcianopolis |
| Died | Claudio Borghese † | Bishop of Grosseto, Italy |
| Born | Andrés Bravo de Salamanca † | | Bishop of Sigüenza, Spain |
| Born | Lazzaro Carafino † | Cremonae | Bishop of Como, Italy |
| Born | Vincentius Cavaselice † | Salerno | Bishop of Carinola (Calina), Italy |
| Resigned | Gaspare Cenci † | Bishop of Melfi e Rapolla, Italy | Bishop Emeritus |
| Died | Bartolomeo Corsini † | Bishop of Bova, Italy |
| 83.0 | Died | Agustín Coruña Velasco, O.S.A. † | Bishop of Popayán, Colombia |
| Appointed | Pieter Damant † | Bishop of Gent {Ghent, Gand}, Belgium |
| Appointed | Juan d’Espinar † | Prelate of Santa Lucia del Mela, Italy |
| Died | Antonio de Hervias, O.P. † | Bishop of Cartagena, Colombia |
| Died | Beatus di Porta † | Bishop Emeritus of Chur, Switzerland |
| Died | Antonello de Folgore † | Bishop of Sant’Angelo dei Lombardi-Bisaccia, Italy |
| Died | Antonio García de Valtorres, O. Cist. † | Auxiliary Bishop of Zaragoza, Spain |
| Died | Agustín Gaillart, O.S.B. † | Bishop of Elne, France |
| Died | Jerónimo García, O.SS.T. † | Bishop of Bosa, Italy |
| Born | Benedetto Geraci † | Hieracen | Bishop of Lipari, Italy |
| Born | Vincenzo Giustiniani † | Venice | Bishop of Brescia, Italy |
| Died | Giovanni Bernardino Grandopoli † | Bishop of Lettere (-Gragnano), Italy |
| Died | Denis Hurault † | Former Bishop-Elect of Orléans, France |
| Born | Mansueto Merati, B. † | Milan | Bishop of Acerra, Italy |
| Ordained Priest | Stephan Nebelmair † | Priest | Auxiliary Bishop of Regensburg, Germany |
| Died | Miler O’Higgens † | Archbishop of Tuam, Ireland |
| Born | Juan de Orta y Moreno † | Oliva | Bishop of Orihuela, Spain |
| Born | Petras Parčevskis † | Vilnen | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| Died | Annibal Pauli † | Bishop of Cervia, Italy |
| 28.0 | Ordained Priest | Miguel Pereira † | Priest | Bishop of São Salvador da Bahia, Brazil |
| 49.6 | Ordained Bishop | Gaspar Punter † | Bishop of Tortosa, Spain |
| Born | Arcasio Ricci † | Piscien | Bishop of Gravina (di Puglia), Italy |
| Born | István Sennyey † | Küküllővár | Bishop of Győr (Raab), Hungary |
| Died | Tommaso Sperandio Corbelli † | Bishop of Bagnoregio (Bagnorea), Italy |
| Born | Scipione Tancredi † | Senen | Bishop of Montalcino, Italy |
| 70.0 | Died | Fernando de Toledo de Oropesa † | Priest |
| Born | François de La Valette Cornusson † | Cornusson | Bishop of Vabres, France |
| Died | Sisto Visdomini, O.P. † | Bishop of Modena, Italy |
| Born | Johann Walterfinger, O.S.B. † | Abensberg | Auxiliary Bishop of Wien, Austria |
| 8 Jan | 31.6 | Ordained Bishop | Andreas von Austria (Österreich) † | Cardinal, Bishop of Konstanz {Constance}, Germany |
| 15 Jan | 29.7 | Installed | Guido Pepoli † | Cardinal-Deacon of Santi Cosma e Damiano | Cardinal, Cardinal-Priest of San Pietro in Montorio |
| 52.0 | Installed | Mariano Pierbenedetti † | Cardinal-Priest of Santi Marcellino e Pietro | Cardinal, Cardinal-Bishop of Frascati |
| 22 Jan | | Appointed | Giannantonio Castruccio † | Bishop of Mondovi, Italy |
| 30.1 | Appointed | Lorenz Eiszepf † | Auxiliary Bishop of Eichstätt, Germany |
| 30.1 | Appointed | Lorenz Eiszepf † | Titular Bishop of Philadelphia in Arabia | Auxiliary Bishop of Eichstätt, Germany |
| Appointed | Wawrzyniec Goślicki † | Bishop of Chełm, Poland | Bishop of Poznań, Poland |
| 29 Jan | | Appointed | Iñigo de Avalos † | Bishop of Ischia, Italy |
| 4 Feb | 69.1 | Ordained Bishop | Agustín de Cisneros Montesa † | Bishop of Concepción, Chile |
| 7 Feb | | Born | Berthold Nihus † | Holtorf | Auxiliary Bishop of Mainz, Germany |
| 11 Feb | 58.1 | Died | Domingo de Alzola, O.P. † | Bishop of Guadalajara, Jalisco, México |
| 12 Feb | | Appointed | Stanisław Gomoliński † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine | Bishop of Lutsk (Łuck), Ukraine |
| 24 Feb | 80.1 | Died | Luis Zapata de Cárdenas, O.F.M. † | Archbishop of Santafé en Nueva Granada, Colombia |
| Died | Claudio Marescotti, O.S.B. † | Bishop of Strongoli, Italy |
| 21 Mar | | Appointed | Claudio Vico † | Bishop of Strongoli, Italy |
| 23 Mar | 55.2 | Installed | Gregorio Petrocchini, O.S.A. † | Cardinal-Priest of Sant’Agostino | Cardinal, Cardinal-Bishop of Palestrina |
| 28 Mar | 53.2 | Appointed | Gianfrancesco Morosini † | Cardinal-Priest of Santa Maria in Via | Cardinal, Bishop of Brescia, Italy |
| 1 Apr | 30.3 | Ordained Bishop | Lorenz Eiszepf † | Titular Bishop of Philadelphia in Arabia | Auxiliary Bishop of Eichstätt, Germany |
| 13 Apr | | Ordained Bishop | Juan de Izquierdo, O.F.M. † | Bishop of Yucatán (Mérida), México |
| 17 Apr | | Died | Giovanni Battista Bracelli † | Bishop of Luni e Sarzana, Italy |
| 27 Apr | | Died | Lodovico Michelio † | Bishop of Alba (Pompea), Italy |
| May | | Born | Francisco Rodríguez de Valcárcel † | | Bishop of Cartagena, Colombia |
| 9 May | 66.6 | Died | Charles Bourbon de Vendôme † | Cardinal, Archbishop of Rouen, France |
| 14 May | 30.4 | Appointed | Giovanni Battista Salvago † | Bishop of Luni e Sarzana, Italy |
| 18 May | 56.0 | Ordained Bishop | Pedro Castro Quiñones † | Archbishop of Granada, Spain | Archbishop of Sevilla {Seville}, Spain |
| 28 Jun | 67.5 | Died | Martin von Schaumberg † | Bishop of Eichstätt, Germany |
| 8 Jul | | Died | Sebastian Bollinger † | Auxiliary Bishop of Würzburg, Germany |
| 12 Jul | | Born | Emilio Bonaventura Altieri † | Rome | Pope (Roma {Rome}, Italy) |
| 16 Jul | | Appointed | Orazio Celsi † | Bishop of Melfi e Rapolla, Italy |
| 76.2 | Died | Bl. Bartolomé Fernandes dos Mártires, O.P. † | Archbishop Emeritus of Braga, Portugal |
| Appointed | Francesco Serini † | Bishop of Bagnoregio (Bagnorea), Italy |
| 30 Jul | | Appointed | Alberto Capriano † | Bishop of Alba (Pompea), Italy |
| 5 Aug | | Died | Giovanni Trevisan † | Patriarch of Venezia {Venice}, Italy |
| 7 Aug | 53.6 | Succeeded | Giovanni Fontana † | Bishop of Ferrara, Italy |
| Born | Charles Joseph de Habsbourg (d’Autriche-Styrie) † | Graz | Bishop of Brixen {Bressanone}, Italy |
| Died | Paolo Leoni † | Bishop of Ferrara, Italy |
| 13 Aug | 48.1 | Selected | Kaspar von Seckendorff † | Bishop of Eichstätt, Germany |
| Appointed | Marcantonio Visia (Vitia) † | Bishop of Vercelli, Italy | Bishop Emeritus |
| 20 Aug | | Died | Piotr Dunin Wolski † | Bishop of Płock, Poland |
| 27 Aug | 68.7 | Died | Felice Peretti Montalto, O.F.M. Conv. † | Pope (Roma {Rome}, Italy) |
| 29 Aug | 58.7 | Died | Pedro Fernández Temiño † | Bishop of Avila, Spain |
| Sep | 53.7 | Ordained Priest | Lorenzo Priuli † | Priest | Cardinal, Patriarch of Venezia {Venice}, Italy |
| 4 Sep | | Died | Wolfgang Holl † | Auxiliary Bishop of Eichstätt, Germany |
| 15 Sep | 69.1 | Elected | Giovanni Battista Castagna † | Pope (Roma {Rome}, Italy) |
| 17 Sep | | Born | Agostino Barbosa † | Guimaraes, Portugal | Bishop of Ugento, Italy |
| 27 Sep | 69.1 | Died | Giovanni Battista Castagna † | Pope (Roma {Rome}, Italy) |
| 2 Oct | | Died | Francisco Pacheco de Córdoba † | Bishop of Córdoba, Spain |
| 4 Oct | 59.3 | Died | Federico Cornaro (Sr.), O.S.Io.Hieros. † | Cardinal, Bishop of Padova {Padua}, Italy |
| 10 Oct | 70.8 | Installed | Antonio de San Miguel Avendaño y Paz, O.F.M. † | Bishop of Quito, Ecuador |
| 1 Nov | | Died | Juan Zuazola † | Bishop of Astorga, Spain |
| 7 Nov | 70.8 | Died | Antonio de San Miguel Avendaño y Paz, O.F.M. † | Bishop of Quito, Ecuador |
| 11 Nov | | Died | Emilio Scataratica † | Bishop of Ravello, Italy |
| 25 Nov | | Born | Juan Alonso de Cuevas y Davaols † | México | Archbishop of México, Federal District |
| 27 Nov | | Died | Muzio Bongiovanni † | Archbishop of Sorrento, Italy |
| 5 Dec | 55.8 | Elected | Niccolò Sfondrati † | Pope (Roma {Rome}, Italy) |
| 8 Dec | 55.8 | Installed | Niccolò Sfondrati † | Pope (Roma {Rome}, Italy) |
| 19 Dec | 30.3 | Elevated to Cardinal | Paolo Emilio Sfondrati † | Cardinal, Bishop of Cremona, Italy |