| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Pedro de la Concepcion Urtiaga, O.F.M. † | Queretaro | Bishop of Puerto Rico (Porto Rico) |
| Born | Antoine Fagon † | Paris | Bishop of Vannes, France |
| Born | Juan Fernández Zapata † | San Pedro Manrique | Bishop of León, Spain |
| Born | Juan Benito Garret y Arlovi, O. Praem. † | Agramunt, Spain | Bishop of León en Nicaragua |
| Died | Johann Gobar † | Auxiliary Bishop of Olomouc, Czech Republic |
| Born | José Antonio Jaspe Montenegro † | La Coruña | Auxiliary Bishop of Santiago de Compostela, Spain |
| Appointed | Vincenzo Lanfranchi † | Archbishop of Acerenza e Matera, Italy |
| Born | Juan de Las Peñas † | Madrid | Auxiliary Bishop of Cuenca, Spain |
| 35.0 | Ordained Bishop | Melchor de Liñán y Cisneros † | Bishop of Santa Marta, Colombia | Archbishop of Lima, Peru |
| Died | Juan Merlo de la Fuente † | Bishop of Comayagua, Honduras | Bishop Emeritus |
| 42.5 | Ordained Priest | Karl Heinrich Reichsfreiherr von Metternich-Winneburg † | Priest of Mainz, Germany | Archbishop-Elect |
| Born | Luis Francisco Romero † | Alcobendas, Spain | Archbishop of La Plata o Charcas, Bolivia |
| Died | Tommaso de Sarria, O.P. † | Archbishop of Trani, Italy |
| 86.0 | Died | Giovanni Battista Scanaroli † | Titular Bishop of Sidon |
| 33.0 | Appointed | Ambrosio Ignacio Spínola y Guzmán † | Bishop of Oviedo, Spain | Archbishop of Sevilla {Seville}, Spain |
| 22.4 | Ordained Priest | Johann Friedrich Reichsgraf von Waldstein † | Priest of Olomouc, Czech Republic | Archbishop of Praha {Prague}, Czech Republic |
| 4 Jan | 51.7 | Ordained Bishop | Juan López † | Bishop of Cebu, Philippines | Archbishop of Manila, Philippines |
| 12 Jan | 57.4 | Confirmed | Sebastian Ignaz von Rostock † | Bishop of Wrocław, Poland |
| 35.4 | Confirmed | Wenzeslaus Reichsgraf von Thun † | Bishop of Passau, Germany |
| 31 Jan | | Born | James Gordon † | Glastirum, Enzie, Banffshire | Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 13 Feb | | Born | François-Armand de Lorraine † | Paris | Bishop of Bayeux, France |
| 15 Feb | | Born | Franz Joseph Supersaxo † | Sion | Bishop of Sion {Sitten}, Switzerland |
| 3 Mar | 42.3 | Appointed | Maximilian Gandolf Reichsgraf von Kuenburg † | Bishop of Seckau, Austria | Cardinal, Archbishop of Salzburg, Austria |
| 15 Mar | 46.5 | Ordained Bishop | Matthäus Ferdinand Sobek von Bilenberg, O.S.B. † | Bishop of Hradec Králové, Czech Republic | Archbishop of Praha {Prague}, Czech Republic |
| 29 Mar | 83.2 | Died | Luis Camargo Pacheco † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Apr | 64.3 | Died | Wojciech Pilchowicz † | Auxiliary Bishop of Warmia, Poland |
| 3 Apr | 37.3 | Appointed | Sebastian Graf von Pötting-Persing † | Bishop of Lavant, Slovenia | Bishop of Passau, Germany |
| 12 Apr | 57.6 | Ordained Bishop | Sebastian Ignaz von Rostock † | Bishop of Wrocław, Poland |
| 19 Apr | 97.7 | Canonized | St. François de Sales † | Bishop of Genève {Geneva}, Switzerland |
| 22 Apr | 60.3 | Confirmed | Jean de Montpezat de Carbon † | Archbishop of Bourges, France | Archbishop of Sens, France |
| 24 Apr | 37.3 | Ordained Bishop | Sebastian Graf von Pötting-Persing † | Bishop of Lavant, Slovenia | Bishop of Passau, Germany |
| 25 Apr | 80.3 | Died | Christophorus Johannes Reinheld von Reichenau † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 17 May | | Died | Jerzy Baiłłozor † | Bishop of Vilnius, Lithuania |
| 28 May | 34.5 | Resigned | Sigmund Franz Erzherzog von Österreich † | Bishop of Augsburg, Germany | Bishop Emeritus |
| 34.5 | Resigned | Sigmund Franz Erzherzog von Österreich † | Bishop of Gurk, Austria | Bishop Emeritus of Augsburg, Germany |
| 34.5 | Resigned | Sigmund Franz Erzherzog von Österreich † | Bishop of Trento, Italy | Bishop Emeritus of Augsburg, Germany |
| 30 May | | Ordained Bishop | Daniel Vitus Nastoupil † | Titular Bishop of Constantina | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 6 Jun | 54.1 | Resigned | Carlo Carafa della Spina, C.R. † | Bishop of Aversa, Italy | Cardinal, Bishop Emeritus |
| 23 Jun | | Born | Denis-François Bouthillier de Chavigny † | Paris | Archbishop of Sens, France |
| 25 Jun | 34.6 | Died | Sigmund Franz Erzherzog von Österreich † | Bishop Emeritus of Augsburg, Germany |
| 28 Jun | 42.3 | Confirmed | Karl Graf von Liechtenstein-Kastelkorn † | Bishop of Olomouc, Czech Republic |
| Jul | | Born | François-Gabriel Guisain, M.E.P. † | Paris, France | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 4 Jul | 52.5 | Appointed | Peter Franz Longinus von Kieferberg † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 6 Jul | 39.8 | Appointed | Federico Baldeschi Colonna † | Titular Archbishop of Caesarea in Cappadocia | Cardinal, Prefect of the Congregation of the Council |
| Appointed | Francisco Verdín y Molina † | Bishop of Guadalajara, Jalisco, México | Bishop of Michoacán, Michoacán, México |
| 15 Jul | 39.9 | Appointed | Federico Baldeschi Colonna † | Apostolic Nuncio to Switzerland | Cardinal, Prefect of the Congregation of the Council |
| 18 Jul | 80.2 | Died | Diego Arce Reinoso † | Bishop Emeritus of Plasencia, Spain |
| 28 Jul | | Born | Wilhelm Hermann Ignaz Ferdinand Reichsfreiherr von Wolf-Metternich zu Gracht † | | Auxiliary Bishop of Münster, Germany |
| 31 Jul | 66.7 | Appointed | Ernst Adalbert Reichsgraf von Harrach zu Rohrau † | Bishop of Trento, Italy | Cardinal, Archbishop of Praha {Prague}, Czech Republic |
| 10 Aug | 36.0 | Appointed | Wenzeslaus Reichsgraf von Thun † | Bishop of Gurk, Austria | Bishop of Passau, Germany |
| 18 Aug | 48.9 | Appointed | Johann Christoph Reichsritter von Freyberg-Allmendingen † | Bishop of Augsburg, Germany |
| 71.6 | Resigned | Kaspar Zeiler † | Apostolic Administrator of Augsburg, Germany | Auxiliary Bishop |
| 2 Sep | 74.8 | Died | Juan Alonso de Cuevas y Davaols † | Archbishop of México, Federal District |
| 13 Sep | | Born | Antonfelice Zondadari † | Siena | Cardinal, Titular Archbishop of Damascus |
| 17 Sep | 76.5 | Died | Baltasar Moscoso y Sandoval † | Cardinal, Archbishop of Toledo, Spain |
| 22 Sep | | Born | François-Elie de Voyer de Paulmy d'Argenson † | Paris | Bishop of Dol, France |
| 28 Sep | 50.7 | Confirmed | Joseph de Montpezat de Carbon † | Bishop of Saint-Papoul, France | Archbishop of Toulouse, France |
| 4 Oct | | Born | Francesco Acquaviva d’Aragona † | Naples | Cardinal, Cardinal-Bishop of Sabina |
| 12 Oct | 68.6 | Died | Juan Alonso y Ocón † | Archbishop of La Plata o Charcas, Bolivia |
| 78.8 | Died | Gaspar de Villarroel, O.S.A. † | Bishop of La Plata o Charcas, Bolivia | Archbishop |
| 18 Oct | | Born | Raimundo Rubí, O. Cart. † | Barcelona, Spain | Bishop of Catania, Italy |
| 24 Oct | | Born | Miguel Esteban Pérez Estremera, O.S. † | Toledo, Spain | Titular Bishop of Danaba |
| 26 Oct | | Born | Philipp Karl Reichsgraf von Eltz zu Kempenich † | Eltz | Archbishop of Mainz, Germany |
| 21 Nov | | Died | Daniel Vitus Nastoupil † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 15 Dec | | Appointed | Johann Kaspar Kühner † | Auxiliary Bishop of Freising, Germany |
| Appointed | Johann Kaspar Kühner † | Titular Bishop of Centuria | Auxiliary Bishop of Freising, Germany |
| 27 Dec | 51.0 | Ordained Bishop | Joseph de Montpezat de Carbon † | Bishop of Saint-Papoul, France | Archbishop of Toulouse, France |