| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | 11.1 | Appointed | Joseph Clemens von Bayern von Wittelsbach † | Coadjutor Bishop of Regensburg, Germany | Archbishop of Köln {Cologne}, Germany |
| Appointed | Bartolome Gonzalez y Poveda † | Archbishop of La Plata o Charcas, Bolivia |
| Born | Léonor III de Goyon de Matignon † | Torigni-sur-Vire | Bishop of Coutances, France |
| Appointed | Paul-Louis-Philippe de Lézay de Lusignan † | Bishop of Rodez, France |
| Appointed | Dominic Maguire, O.P. † | Archbishop of Armagh, Ireland |
| Died | Álvaro de Săo Boaventura † | Bishop of Coimbra, Portugal |
| 51.6 | Appointed | Isidoro Sarińana y Medina Cuenca † | Bishop of Antequera, Oaxaca, México |
| 45.0 | Resigned | Bl. Niels Stensen † | Auxiliary Bishop of Münster, Germany | Vicar Apostolic of Nordic Missions, Germany |
| 1 Jan | 31.2 | Ordained Priest | Seweryn Szczuka † | Priest of Chelmno (Culma), Poland | Auxiliary Bishop |
| 11 Jan | 53.1 | Confirmed | Wilhelm Egon Fürst von Fürstenberg † | Cardinal, Bishop of Strasbourg, France |
| 21 Jan | | Born | Sebastián José Victoria Emparán y Loyola, O.S.H. † | Azpeitia | Bishop of Urgell, Spain |
| 31 Jan | 74.4 | Died | Cesare Facchinetti † | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 3 Feb | | Born | Francisco Antonio Bustamante Jiménez † | Logrońo | Bishop of Plasencia, Spain |
| 5 Feb | 73.1 | Ordained Bishop | Johannes Maximus Stainer von Pleinfelden † | Titular Bishop of Selymbria | Auxiliary Bishop of Passau, Germany |
| 11 Feb | 72.1 | Died | Ludwig Wilhelm Benz † | Auxiliary Bishop of Eichstätt, Germany |
| 15 Feb | 46.1 | Appointed | Diego de Bańos y Sotomayor † | Bishop of Caracas, Santiago de Venezuela |
| 72.8 | Appointed | Pietro Vito Ottoboni † | Cardinal-Bishop of Frascati | Pope (Roma {Rome}, Italy) |
| 60.9 | Appointed | Carlo Pio di Savoia † | Cardinal-Bishop of Sabina | Cardinal, Bishop of Sabina, Italy |
| 60.9 | Appointed | Carlo Pio di Savoia † | Cardinal, Bishop of Sabina, Italy |
| 28 Feb | 63.2 | Died | Joseph Graf von Rabatta † | Bishop of Ljubljana, Slovenia |
| 7 Mar | | Born | Tomás Montańo y Aarón † | Mexico | Bishop of Antequera, Oaxaca, México |
| 13 Mar | 23.7 | Ordained Priest | Antonio San Felice † | Priest | Bishop of Nardň, Italy |
| 21 Mar | 55.5 | Ordained Bishop | Humbertus Guilielmus de Precipiano † | Bishop of Brugge {Bruges}, Belgium | Archbishop of Mechelen, Belgium |
| 24 Mar | 61.2 | Installed | Andrés de las Navas y Quevedo, O. de M. † | Bishop of Guatemala (Santiago de Guatemala), Guatemala |
| Apr | 53.3 | Ordained Priest | Wilhelm Egon Fürst von Fürstenberg † | Priest of Strasbourg, France | Cardinal, Bishop |
| 1 Apr | | Died | Ondrej Sebestyén † | Official of Spiš, Slovakia |
| 4 Apr | 65.3 | Ordained Bishop | Domingo Fernández Navarrete, O.P. † | Archbishop of Santo Domingo, Dominican Republic |
| 10 Apr | | Ordained Bishop | Juan de Rojas y Asúa, O. de M. † | Bishop of León en Nicaragua |
| 14 Apr | | Born | Georg Xaver Marotti † | Rijeka | Bishop of Pedena, Austria |
| 21 Apr | 39.2 | Appointed | Sigmund Christoph Reichsgraf von Herberstein † | Bishop of Ljubljana, Slovenia | Bishop Emeritus |
| 24 Apr | 63.8 | Died | Peter Philipp Reichsgraf von Dernbach † | Bishop of Bamberg, Germany |
| 26 Apr | | Born | Antonio Alejandro Sarmiento Sotomayor, O.S.B. † | Parroquia de San Jorge de Riva de Vea | Bishop of Mondońedo, Spain |
| 1 May | 53.4 | Ordained Bishop | Wilhelm Egon Fürst von Fürstenberg † | Cardinal, Bishop of Strasbourg, France |
| Born | Diego Felipe Perea Magdaleno † | Orgaz | Archbishop of Burgos, Spain |
| 10 May | 48.4 | Appointed | Baltasar de Figueroa, O. Cist. † | Bishop of Santiago de Cuba |
| 13 May | | Born | Juan de Galabis, O. Praem. † | Robledillo de Gata, Spain | Archbishop of Santafé en Nueva Granada, Colombia |
| 22 May | | Appointed | Bernardo de Izaguirre Reyes † | Archbishop of La Plata o Charcas, Bolivia |
| 31 May | 44.8 | Appointed | Konrad Wilhelm Reichsfreiherr von Werdenau † | Bishop of Würzburg, Germany | Bishop-Elect |
| 10 Jun | 39.1 | Appointed | Marquard Sebastian Reichsgraf von Schenk von Stauffenberg † | Bishop of Bamberg, Germany |
| 26 Jun | 56.7 | Died | Ferdinand Reichsfreiherr von Fürstenberg † | Bishop of Paderborn, Germany |
| 30 Jun | 18.9 | Appointed | Franz Ludwig Pfalzgraf am Rhein zu Neuburg † | Bishop of Wrocław, Poland | Archbishop-Elect of Mainz, Germany |
| 9 Jul | 11.6 | Confirmed | Joseph Clemens von Bayern von Wittelsbach † | Coadjutor Bishop of Regensburg, Germany | Archbishop of Köln {Cologne}, Germany |
| 11 Jul | 57.5 | Died | Franz Emmerich Kaspar Reichsfreiherr von Waldbott von Bassenheim † | Bishop-Elect of Worms, Germany |
| 26 Jul | | Born | Carlo Alberto Guidobono Cavalchini † | Tortona | Cardinal, Datary of the Apostolic Datary |
| 27 Jul | | Born | Domingo Pantaleón Álvarez de Abreu † | Santa Cruz de Tenerife, Spain | Bishop of Tlaxcala, Tlaxcala, México |
| 8 Aug | 53.6 | Installed | Juan Cano Sandoval † | Bishop of Yucatán (Mérida), Yucatán, México |
| 17 Aug | 73.6 | Appointed | Johannes Karl Reichsfreiherr von Franckenstein † | Bishop of Worms, Germany |
| 19 Aug | | Born | Jakob Sigismund von Reinach-Steinbrunn † | Obersteinbrunn | Bishop of Basel, Switzerland |
| 26 Aug | 19.1 | Confirmed | Franz Ludwig Pfalzgraf am Rhein zu Neuburg † | Bishop of Wrocław, Poland | Archbishop-Elect of Mainz, Germany |
| 28 Aug | 53.7 | Died | Johannes Schmitzberger, O.S.B. † | Auxiliary Bishop of Wien, Austria |
| 2 Sep | 53.7 | Died | Francisco Pizaro de Orellana † | Bishop of Nueva Segovia, Philippines |
| 15 Sep | 58.1 | Appointed | Hermann Werner Reichsfreiherr von Wolf-Metternich zu Gracht † | Bishop of Paderborn, Germany |
| 20 Sep | | Born | Johann Franz Anton Reichsfreiherr von Sirgenstein † | Meersburg | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 26 Sep | | Born | Ernst Friedrich Reichsfreiherr von Twickel † | Havixbeck | Auxiliary Bishop of Hildesheim, Germany |
| 27 Sep | 53.7 | Appointed | Estevăo Brioso de Figueiredo † | Bishop of Funchal, Portugal |
| 9 Nov | | Born | Miguel de Távora, O.S.A. † | | Archbishop of Évora, Portugal |
| 12 Nov | | Born | Anselm Franz Reichsgraf von Ingelheim † | Mainz | Bishop of Würzburg, Germany |
| 15 Nov | 35.8 | Appointed | Andrzej Chryzostom Załuski † | Bishop of Foreign Diocese | Bishop of Warmia, Poland |
| 21 Nov | 71.9 | Ordained Bishop | Antonio de Morales, O.P. † | Bishop of Concepción, Chile |
| 22 Nov | | Born | Franz Kaspar von Franken-Siersdorf † | Köln | Auxiliary Bishop of Köln {Cologne}, Germany |
| 25 Nov | | Born | Lucas Cuartas Oviedo † | Almagro | Bishop of Huesca, Spain |
| Born | Pedro González García † | Torrelaguna, Spain | Bishop of Avila, Spain |
| Dec | 71.9 | Died | Antonio de Morales, O.P. † | Bishop-Elect of Concepción, Chile | Bishop |
| 6 Dec | 39.8 | Confirmed | Sigmund Christoph Reichsgraf von Herberstein † | Bishop of Ljubljana, Slovenia | Bishop Emeritus |
| 25 Dec | 12.1 | Professed | José Cubero Ramírez de Arellano, O. de M. † | Member of Order of Our Lady of Mercy | Bishop of Chiapas (Ciudad Real de Chiapas), Chiapas, México |
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