| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Guillaume Bochart de Champigny † | | Bishop of Valence, France |
| Born | Giovanni Innocenzo Carussio † | Putignano | Bishop of Muro Lucano, Italy |
| Died | Joachim d'Estaing † | Bishop of Clermont, France |
| Appointed | Louis d'Estaing † | Bishop of Clermont, France |
| Appointed | Franciszek Dołmat Isajkowski † | Bishop of Smoleńsk, Poland |
| Born | Mauro de Larreátegui y Colón, O.S.B. † | Madrid, Spain | Bishop of Guatemala (Santiago de Guatemala), Guatemala |
| Born | Henri-Augustin Le Pileur † | Paris | Bishop Emeritus of Saintes, France |
| Born | Wilhelm Graf von Leslie † | | Bishop of Ljubljana, Slovenia |
| Installed | Hernando de Lobo Castrillo, O.F.M. † | Bishop of Puerto Rico (Porto Rico) |
| 26.0 | Ordained Priest | Ulrich de Mont † | Priest of Chur, Switzerland | Bishop |
| Born | Stanislaw Szembek † | Kraków | Archbishop of Gniezno, Poland |
| Born | Michał Szembek † | Morawicy | Auxiliary Bishop of Kraków, Poland |
| 45.0 | Appointed | Matej Tarnoczy † | Official of Spiš, Slovakia | Bishop of Vác, Hungary |
| 45.0 | Ordained Bishop | Matej Tarnoczy † | Bishop of Csanád, Hungary | Bishop of Vác, Hungary |
| 4 Jan | | Appointed | Andrés García de Zurita † | Bishop of Trujillo, Peru | Bishop of Trujillo, Peru |
| 10 Jan | 65.1 | Appointed | Juan del Pozo Horta, O.P. † | Bishop of León, Spain | Bishop of Segovia, Spain |
| 16 Jan | 45.0 | Confirmed | Charles-François d’Anglure de Bourlémont † | Bishop of Aire, France | Archbishop of Toulouse, France |
| 18 Jan | | Born | Benito Noriega, O.F.M. † | Oviedo, Spain | Bishop of Acerra (Cerenthia, Acerrae), Italy |
| 29 Jan | | Born | Francisco del Rincón, O.M. † | Borox, Spain | Archbishop of Santafé en Nueva Granada, Colombia |
| 15 Feb | 56.1 | Appointed | Francesco Nerli (Sr.) † | Bishop of Pistoia, Italy | Cardinal, Archbishop of Firenze {Florence}, Italy |
| 25 Feb | 65.1 | Died | Bartolomé González Soltero † | Bishop of Guatemala (Santiago de Guatemala), Guatemala |
| 28 Feb | 66.2 | Died | Johann Hasius von Lichenfeld † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 3 Mar | 51.2 | Appointed | Filippo Casoni † | Bishop of Borgo San Donnino, Italy |
| 8 Mar | 71.1 | Died | Antonio Tornielli † | Bishop of Novara, Italy |
| 12 Mar | 51.2 | Ordained Bishop | Filippo Casoni † | Bishop of Borgo San Donnino, Italy |
| 13 Mar | 52.7 | Resigned | Ranuccio (Ranuzio) Scotti (Scotto) † | Bishop of Borgo San Donnino, Italy | Bishop Emeritus |
| 14 Mar | 35.2 | Elevated to Cardinal | Antonio de Aragón-Córdoba-Cardona y Fernández de Córdoba † | Cardinal, Cardinal-Deacon |
| 24 Mar | 45.2 | Ordained Bishop | Charles-François d’Anglure de Bourlémont † | Bishop of Aire, France | Archbishop of Toulouse, France |
| 1 Apr | 68.3 | Died | Johann Nikolaus Claessens † | Auxiliary Bishop of Münster, Germany |
| 67.3 | Died | Andrzej Szołdrski † | Bishop of Poznań, Poland |
| 2 Apr | 50.3 | Appointed | Martin Saudrius von Sternfeld † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany | Prefect Emeritus |
| 4 Apr | 38.9 | Appointed | Bl. Benedetto Odescalchi † | Bishop of Novara, Italy | Pope (Roma {Rome}, Italy) |
| 10 Apr | | Born | Sebastiano Antonio Tanara † | Rome | Cardinal, Titular Archbishop of Damascus |
| 16 Apr | 23.7 | Ordained Priest | Karl Franz Neander von Petersheide † | Priest of Wrocław, Poland | Auxiliary Bishop |
| 18 Apr | 51.3 | Installed | Filippo Casoni † | Bishop of Borgo San Donnino, Italy |
| 23 Apr | 36.3 | Appointed | Kazimierz Florian Czartoryski † | Bishop of Poznań, Poland | Archbishop of Gniezno, Poland |
| 74.3 | Died | Jerónimo Domín Funes, O. Carm. † | Bishop of Gaeta, Italy |
| 2 May | | Appointed | Francisco de Godoy † | Bishop of Ayacucho o Huamanga, Peru | Bishop of Trujillo, Peru |
| 25 May | | Born | Jerónimo del Valle Ledesma † | Lucena | Bishop of Almería, Spain |
| 30 May | 60.4 | Died | Pedro (de Santiago) Anglada Sánchez, O.S.A. † | Bishop of Lérida, Spain |
| Appointed | Rodrigo Cárdenas, O.P. † | Bishop of Nueva Segovia, Philippines |
| Appointed | Juan Merlo de la Fuente † | Bishop of Comayagua, Honduras | Bishop Emeritus |
| 3 Jun | | Born | Louis-Joseph Adhémar de Monteil de Grignan † | | Bishop of Carcassonne, France |
| 29 Jun | 52.7 | Ordained Bishop | Henri Arnauld † | Bishop of Angers, France |
| Jul | 50.5 | Died | Heber MacMahon (McMahon) † | Bishop of Clogher, Ireland |
| 9 Jul | 28.8 | Confirmed | Max Heinrich Herzog von Bayern † | Coadjutor Bishop of Ličge, Belgium | Archbishop of Köln {Cologne}, Germany |
| 11 Jul | 31.7 | Appointed | Karl Kaspar Reichsfreiherr von Leyen-Hohengeroldseck † | Coadjutor Archbishop of Trier, Germany | Archbishop |
| 16 Aug | 57.6 | Died | Cesare Monti † | Cardinal, Archbishop of Milano {Milan}, Italy |
| 22 Aug | 56.1 | Confirmed | Beat Albrecht von Ramstein † | Bishop of Basel, Switzerland |
| 36.9 | Confirmed | Adrian von Riedmatten (Sr.) † | Bishop of Sion {Sitten}, Switzerland |
| 27 Aug | 65.7 | Appointed | Martín de León Cárdenas, O.S.A. † | Archbishop of Palermo, Italy |
| 1 Sep | | Born | Ferdinando d'Adda † | Milano | Cardinal, Cardinal-Bishop of Albano |
| 9 Sep | 61.7 | Ordained Bishop | Nicolás de la Torre Muńoz † | Bishop of Santiago de Cuba | Bishop of Santiago de Cuba |
| 46.7 | Ordained Bishop | Miguel de Poblete Casasola † | Archbishop of Manila, Philippines |
| 13 Sep | 72.9 | Died | Ferdinand Herzog von Bayern † | Archbishop-Elect of Köln {Cologne}, Germany |
| 28.9 | Succeeded | Max Heinrich Herzog von Bayern † | Bishop of Hildesheim, Germany | Archbishop of Köln {Cologne}, Germany |
| 28.9 | Succeeded | Max Heinrich Herzog von Bayern † | Archbishop of Köln {Cologne}, Germany |
| 28.9 | Succeeded | Max Heinrich Herzog von Bayern † | Bishop of Ličge, Belgium | Archbishop of Köln {Cologne}, Germany |
| 15 Sep | | Born | Luigi Priuli † | Venice | Cardinal, Cardinal-Priest of S. Marco |
| 19 Sep | 31.7 | Elevated to Cardinal | Camillo Astallipamphilj † | Cardinal, Bishop of Catania, Italy |
| 25 Sep | 20.7 | Professed | Francisco de Lima (Lemos), O. Carm. † | Member of Order of Our Lady of Mt. Carmel | Bishop of Olinda, Brazil |
| 30 Sep | | Born | Johann Peter von Quentell † | Köln | Auxiliary Bishop of Münster, Germany |
| 3 Oct | 36.8 | Confirmed | Kazimierz Florian Czartoryski † | Bishop of Poznań, Poland | Archbishop of Gniezno, Poland |
| 54.2 | Appointed | Sebastian Denich † | Auxiliary Bishop of Regensburg, Germany |
| 54.2 | Appointed | Sebastian Denich † | Titular Bishop of Halmiros | Auxiliary Bishop of Regensburg, Germany |
| 7 Oct | 35.8 | Died | Antonio de Aragón-Córdoba-Cardona y Fernández de Córdoba † | Cardinal, Cardinal-Deacon |
| 10 Oct | | Born | Ulisse Giuseppe Gozzadini † | Bologna | Cardinal, Bishop of Imola, Italy |
| 17 Oct | 31.8 | Installed | Camillo Astallipamphilj † | Cardinal-Priest of S. Pietro in Montorio | Cardinal, Bishop of Catania, Italy |
| 3 Nov | 49.4 | Appointed | Dietrich Adolf von Reck † | Bishop of Paderborn, Germany |
| 14 Nov | 44.1 | Appointed | Christoph Bernhard von Galen † | Bishop of Münster, Germany |
| 6 Dec | | Died | Agustín de Ugarte y Sarabia † | Bishop of Quito, Ecuador |
| 12 Dec | 70.9 | Died | Juan de Mańozca y Zamora † | Archbishop of México, Federal District |
| 13 Dec | | Born | Juan Arteaga Dicastillo † | Arbeiza | Bishop of Orense, Spain |
| 21 Dec | | Born | Vitus Seipel † | Landeck | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 22 Dec | 37.2 | Ordained Bishop | Adrian von Riedmatten (Sr.) † | Bishop of Sion {Sitten}, Switzerland |