| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Théodore-Germain Allart † | | Bishop of Vence, France |
| 62.0 | Died | Diego de Arce, O.F.M. † | Bishop of Cassano all’Jonio, Italy |
| Born | Antonio de Azcona Imberto † | Estella, Spain | Bishop of Buenos Aires, Argentina |
| Born | Pietro Bassdonna † | Venice | Cardinal, Cardinal-Deacon of S. Maria in Domnica |
| Born | François de Batailler † | | Bishop of Bethléem, France |
| Appointed | Francisco de Castro † | Bishop of Guarda, Portugal |
| Born | Giannicolò Conti † | Poli | Cardinal, Bishop of Ancona e Numana, Italy |
| Died | Giovanni Battista Costanzo † | Archbishop of Cosenza, Italy |
| Died | João da Gama † | Bishop of Miranda, Portugal |
| Born | Louis d'Anglure de Bourlemont † | Anglure | Archbishop of Bordeaux, France |
| 50.0 | Resigned | Juan de Valle y Arredondo, O.S.B. † | Bishop of Guadalajara, Jalisco, México | Bishop Emeritus |
| Born | Jérôme de La Mothe-Houdancourt † | | Bishop of Saint-Flour, France |
| 52.0 | Appointed | Jean Davy Du Perron † | Coadjutor Archbishop of Sens, France | Archbishop |
| 52.0 | Appointed | Jean Davy Du Perron † | Titular Archbishop of Heraclea in Europa | Archbishop of Sens, France |
| 43.0 | Appointed | Henryk Firlej † | Bishop of Płock, Poland | Archbishop of Gniezno, Poland |
| 48.0 | Ordained Bishop | Miguel García Serrano, O.S.A. † | Bishop of Nueva Segovia, Philippines | Archbishop of Manila, Philippines |
| 32.5 | Ordained Priest | Veit Adam Gepeckh von Arnsbach † | Priest of Freising, Germany | Bishop |
| Born | Gregor Lo(u) Wen-tsao, O.P. † | Lo kia hiang | Bishop of Nanking [Nanjing], China |
| Died | Gonçalo de Morais † | Bishop of Porto, Portugal |
| Born | John O'Mollony † | Killaloe | Bishop of Limerick, Ireland |
| 46.2 | Ordained Bishop | Péter Pázmány, S.J. † | Cardinal, Archbishop of Esztergom, Hungary |
| Born | Mikołaj Prażmowski † | | Archbishop of Gniezno, Poland |
| Died | Jerónimo Bernardo de Quirós, O. Praem. † | Bishop of Pozzuoli, Italy |
| Died | Lourenço de Távora, O.F.M. Cap. † | Bishop of Funchal, Portugal |
| Ordained Bishop | Jerónimo Tiedra Méndez, O.P. † | Archbishop of La Plata o Charcas, Bolivia |
| Died | Francisco Ugarte, O. Cist. † | Auxiliary Bishop of Zaragoza, Spain |
| Appointed | Pedro de Valencia † | Bishop of La Paz, Bolivia |
| 57.0 | Died | Pedro Vega † | Bishop of Cartagena, Colombia |
| Died | Alfonso Vidal, O.F.M. † | Bishop of Lipari, Italy |
| Born | Cristoforo Vidman † | Venice | Cardinal, Cardinal-Priest of S. Marco |
| Born | Federico Visconti † | Milan | Cardinal, Archbishop of Milano {Milan}, Italy |
| Born | Adolph Gottfried Volusius † | Neu-Hanau | Auxiliary Bishop of Mainz, Germany |
| Born | Bernardo de Santa Maria Zuzarte de Andrade, C.R.S.A. † | Cantagnete, Portugal | Bishop of São Tomé e Príncipe |
| 5 Jan | 56.0 | Died | Sebastián Bricianos, O.F.M. † | Bishop of Orense, Spain |
| 14 Jan | | Born | Wilderich Reichsfreiherr von Walderdorff † | Limburg | Bishop of Wien, Austria |
| 16 Jan | 57.8 | Died | Wolf Dietrich von Raitenau † | Archbishop Emeritus of Salzburg, Austria |
| 22 Jan | 43.2 | Ordained Bishop | Francisco Hurtado de Mendoza y Ribera † | Bishop of Salamanca, Spain | Bishop of Plasencia, Spain |
| 23 Jan | 36.8 | Appointed | Johann Paul Ciurletti † | Auxiliary Bishop of Salzburg, Austria |
| 36.8 | Appointed | Johann Paul Ciurletti † | Titular Bishop of Byblus | Auxiliary Bishop of Salzburg, Austria |
| 24 Jan | 47.1 | Died | Felipe Guimerá, O. de M. † | Bishop of Jaca, Spain |
| 31 Jan | | Appointed | Nicolò Spínola, C.R. † | Bishop of Ventimiglia, Italy |
| 8 Feb | 64.4 | Died | Carlo Broglia † | Archbishop of Torino {Turin}, Italy |
| 17 Feb | | Appointed | Miguel Angel Zaragoza Heredia † | Bishop of Teano, Italy |
| 7 Mar | | Ordained Bishop | Miguel Angel Zaragoza Heredia † | Bishop of Teano, Italy |
| 9 Mar | | Died | Juan Nicolás Carriazo † | Bishop of Guadix, Spain |
| 3 Apr | 36.3 | Installed | Roberto Ubaldini † | Cardinal-Priest of S. Matteo in Merulana | Cardinal, Bishop Emeritus of Montepulciano, Italy |
| 4 Apr | 37.0 | Ordained Bishop | Johann Paul Ciurletti † | Titular Bishop of Byblus | Auxiliary Bishop of Salzburg, Austria |
| 10 Apr | 41.3 | Appointed | Julián de Cortázar † | Bishop of Córdoba (Tucumán), Argentina | Archbishop of Santafé en Nueva Granada, Colombia |
| 22 Apr | | Born | Giovanni Delfino (Dolfino) † | Venice | Cardinal, Patriarch of Aquileia, Italy |
| 3 May | 58.3 | Died | Aleixo de Meneses † | Archbishop of Braga, Portugal |
| 29 May | | Born | Federico Borromeo (Jr.) † | Milan | Cardinal, Secretary of the Secretariat of State |
| 25 Jun | 57.5 | Appointed | Bertrand d'Eschaux (de Chaux) † | Archbishop of Tours, France |
| 26 Jun | 60.5 | Appointed | Diego Torres Altamirano, O.F.M. † | Bishop of Cartagena, Colombia |
| 3 Jul | 36.5 | Appointed | Roberto Ubaldini † | Cardinal-Priest of S. Pudenziana | Cardinal, Bishop Emeritus of Montepulciano, Italy |
| 7 Jul | | Appointed | Paolo Emilio Santoro (Santorio) † | Archbishop of Cosenza, Italy | Archbishop of Urbino, Italy |
| 17 Jul | 49.3 | Resigned | Maffeo Barberini † | Archbishop of Spoleto, Italy | Pope (Roma {Rome}, Italy) |
| Died | Charles de Bourgneuf † | Bishop of Nantes, France | Bishop Emeritus of Saint-Malo, France |
| 31 Jul | 43.9 | Confirmed | Georg Friedrich Greiffenclau von Vollrads † | Bishop of Worms, Germany | Archbishop of Mainz, Germany |
| 21 Aug | | Appointed | Luis Díaz Aux de Armendáriz, O. Cist. † | Bishop of Jaca, Spain | Bishop of Urgell, Spain |
| 30 Aug | | Born | Hyacinthe Serroni, O.P. † | Rome | Archbishop of Albi, France |
| 1 Sep | 70.7 | Died | Juan Vigil de Quiñones y Labiada † | Bishop of Segovia, Spain |
| 4 Sep | 49.7 | Appointed | Pedro de Perea Díaz, O.S.A. † | Bishop of Arequipa, Peru |
| 9 Sep | 72.5 | Died | Julius Echter von Mespelbrunn † | Bishop of Würzburg, Germany |
| 29 Sep | | Born | Lothar Friedrich Reichsfreiherr von Metternich-Burscheid † | Burscheid | Archbishop of Mainz, Germany |
| 2 Oct | | Appointed | Jerónimo Herrera Salazar † | Bishop of Guadix, Spain |
| 42.2 | Appointed | Pedro Ruiz Valdivieso † | Archbishop (Personal Title) of Orense, Spain | Bishop |
| 5 Oct | 42.1 | Appointed | Johann Gottfried von Aschhausen † | Bishop of Würzburg, Germany | Bishop of Bamberg, Germany |
| 13 Nov | 75.2 | Appointed | Juan Bartolome de Bohórquez e Hinojosa, O.P. † | Bishop of Antequera, Oaxaca, México |
| 16 Nov | | Born | Leopoldo de' Medici † | Florence | Cardinal, Cardinal-Deacon of S. Maria in Cosmedin |
| 20 Nov | 40.9 | Appointed | Gonzalo de Angulo, O.M. † | Bishop of Coro, Venezuela |
| Appointed | Ramón Ivorra † | Bishop of Perpignan-Elne, France |
| 67.9 | Appointed | Lorenzo Monzonís Galatina, O.F.M. † | Archbishop (Personal Title) of Pozzuoli, Italy | Bishop |
| 28 Nov | | Died | Francisco Martínez Cenicero † | Bishop of Jaén, Spain |
| 21 Dec | | Died | Lucas Duran, O.S. † | Bishop of Albarracin, Spain | Bishop Emeritus of Chiapas (Ciudad Real de Chiapas), Chiapas, México |