Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Francesco Alegre, O.P. † | Bishop of Sulcis, Italy |
| Died | Melchiorre Bevilacqua † | Archbishop of Palermo, Italy |
| Born | Otto von Braunschweig-Lüneburg † | | Archbishop of Bremen (and Hamberg), Germany |
| Ordained Bishop | Hugues du Fay † | Bishop of Orléans, France | Bishop of Arras, France |
| Resigned | Maciej z Golańczy † | Bishop of Włocławek (Kujawy, Kalisze), Poland | Bishop Emeritus |
| Died | Thorar † | Bishop of Skálholt, Iceland |
8 Jan | | Appointed | Bertrand de Castronovo (de Chateauneuf) † | Archbishop of Embrun, France | Bishop of Viviers (Aps), France |
10 Jan | | Appointed | Friedrich von Truhendingen † | Bishop of Bamberg, Germany |
17 Jan | 63.0 | Died | Élie Talleyrand de Périgord † | Cardinal, Cardinal-Bishop of Albano |
29 Jan | | Appointed | Albert von Winkel † | Bishop of Passau, Germany |
12 Feb | | Appointed | Carlo Urso † | Archbishop of Reggio Calabria, Italy |
14 Feb | 39.1 | Appointed | Lamprecht von Brunn † | Bishop of Speyer, Germany | Bishop Emeritus of Bamberg, Germany |
| Appointed | Johann von Platzheim-Lenzburg † | Bishop of Brixen {Bressanone}, Italy |
28 Feb | | Appointed | Thomas O’Carroll † | Archbishop of Cashel, Ireland |
3 Mar | | Ordained Bishop | Étienne de Poissy † | Bishop of Paris, France |
6 Mar | | Appointed | Johann von Töckheim † | Bishop of Gurk, Austria |
| Appointed | Thomas Trillek † | Bishop of Rochester, England, Great Britain |
| Appointed | William Whittlesey † | Bishop of Worcester, England, Great Britain | Archbishop of Canterbury, England, Great Britain |
7 Mar | | Died | Daniel von Wichtrich, O. Carm. † | Bishop of Verden, Germany |
21 Mar | 46.2 | Ordained Bishop | Bartolomeo Prignano † | Archbishop of Acerenza e Matera, Italy | Pope (Roma {Rome}, Italy) |
15 Apr | | Appointed | Jan d’Arkel † | Bishop of Ličge, Belgium |
30.2 | Resigned | Adolf von der Mark † | Archbishop of Köln {Cologne}, Germany | Archbishop Emeritus |
60.2 | Appointed | Engelbert von der Mark † | Archbishop of Köln {Cologne}, Germany |
24 Apr | | Appointed | Johann von Virneburg † | Bishop of Utrecht, Netherlands |
| Appointed | Florenz von Wevelinghoven † | Bishop of Münster, Germany | Bishop of Utrecht, Netherlands |
26 May | | Ordained Bishop | Thomas Trillek † | Bishop of Rochester, England, Great Britain |
27 May | | Appointed | Gerhard von Berg † | Bishop of Verden, Germany | Bishop of Hildesheim, Germany |
29 May | | Appointed | Magnus Slangestorp, O.P. † | Bishop of Hamar, Norway |
19 Jun | | Died | Lourenço Rodrigues (Martins de Barbudo) † | Bishop of Lisboa, Portugal |
30 Jun | | Died | Arnoust Pardubic † | Archbishop of Praha {Prague}, Czech Republic |
5 Jul | | Appointed | St. Peter de Thomas, O. Carm. † | Titular Patriarch of Constantinople |
10 Jul | | Appointed | Jacques Arthaud † | Bishop of Saint-Paul-Trois-Châteaux, France | Bishop of Gap, France |
| Appointed | Dömötör Vaskúti † | Bishop of Sirmio (Srijem; Sirmium), Croatia | Cardinal, Archbishop of Esztergom, Hungary |
12 Jul | 72.5 | Selected | Jan Očko z Vlašim † | Archbishop of Praha {Prague}, Czech Republic | Cardinal, Archbishop Emeritus |
23 Jul | 39.5 | Appointed | Pedro Gómez Barroso † | Bishop of Lisboa, Portugal | Cardinal, Archbishop Emeritus of Sevilla {Seville}, Spain |
| Appointed | Vasco Rodrigues (de Meneses Fernandes) † | Bishop of Coimbra, Portugal | Archbishop of Braga, Portugal |
23 Aug | 54.6 | Appointed | Johannes von Neumarkt † | Bishop of Olomouc (Olmütz), Czech Republic |
72.6 | Confirmed | Jan Očko z Vlašim † | Archbishop of Praha {Prague}, Czech Republic | Cardinal, Archbishop Emeritus |
31.6 | Appointed | Albrecht von Sternberg † | Bishop of Litomyšl, Czech Republic |
13 Sep | | Appointed | Juan † | Bishop of Terralba, Italy |
5 Oct | | Appointed | Erik Johansen Krabbe, O.S.B. † | Bishop of Odense, Denmark |
16 Oct | | Appointed | Lodovico Morosini † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia | Bishop of Modon (Medone, Methone), Greece |
20 Nov | | Appointed | John O’Grady † | Archbishop of Tuam, Ireland |
27 Nov | | Appointed | Leonardus , O.F.M. † | Bishop of Sulcis, Italy |