| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | | Resigned | Wikbold Dobilstein, O.T. † | Bishop of Chelmno (Culma, Kulm), Poland | Bishop Emeritus |
| Born | Friedrich von Domneck † | | Bishop of Worms, Germany |
| Appointed | Robert Hyntlesham † | Auxiliary Bishop of Norwich, England, Great Britain |
| Appointed | Robert Hyntlesham † | Titular Bishop of Sebastopolen (Sevastopolen) | Auxiliary Bishop of Norwich, England, Great Britain |
| Born | Isidore of Kiev † | Monembasia, Greece | Cardinal, Cardinal-Bishop of Sant’Alessio |
| Born | Walram von Moers † | | Bishop-Elect of Münster, Germany |
| Born | Dietrich von Moers † | | Archbishop of Köln {Cologne}, Germany |
| Died | Philipp von Rehberg † | Bishop of Kammin (Camin), Germany |
| Born | Nikolaus Sachau (Sachow) † | Lübeck | Bishop of Lübeck, Germany |
| Appointed | Reinhard von Sayn † | Bishop of Chelmno (Culma, Kulm), Poland |
| Born | Johannes Schele † | Hannover | Bishop of Lübeck, Germany |
| Ordained Bishop | Simon , O. Cist. † | Bishop of Achonry, Ireland |
| Jan | 45.0 | Appointed | Angelo d’Anna de Sommariva, O.S.B. † | Cardinal-Deacon of Santa Lucia in Septisolio | Cardinal, Cardinal-Bishop of Palestrina |
| 20 Mar | | Appointed | Rinaldo Brancaccio † | Cardinal, Cardinal-Deacon of Santi Vito, Modesto e Crescenzia |
| 21 Mar | | Died | Aymeric de Magnac (Maignac) † | Bishop Emeritus of Paris, France |
| 28 Mar | | Died | Robert Stretton † | Bishop of Coventry and Lichfield, England, Great Britain |
| May | 35.3 | Appointed | Pietro Tomacelli † | Cardinal-Priest of Sant’Anastasia | Pope (Roma {Rome}, Italy) |
| 9 Jul | | Ordained Bishop | Guillaume de Cortemberghe † | Bishop of Tournai {Doornik}, Belgium |
| 12 Jul | 43.5 | Elevated to Cardinal | Jean Allarmet de Brogny (Brognac) † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| Appointed | Adhémar de La Roche (Fabri), O.P. † | Bishop of Genève {Geneva}, Switzerland |
| 5 Aug | | Ordained Bishop | Berenguer de Anglesola † | Cardinal, Bishop of Gerona, Spain |
| 12 Aug | | Died | Dietrich von Man † | Bishop of Havelberg, Germany |
| 15 Aug | | Selected | Johann Wepelitz † | Bishop of Havelberg, Germany |
| 18 Aug | | Died | William Reade † | Bishop of Chichester, England, Great Britain |
| Oct | | Appointed | Maffiolus de Lampugnano † | Archbishop of Dubrovnik (Ragusa), Croatia | Bishop of Płock, Poland |
| 10 Oct | | Selected | Heinrich zu Stolberg † | Bishop of Merseburg, Germany |
| 16 Oct | | Appointed | Thomas Rushook, O. Cist. † | Bishop of Chichester, England, Great Britain | Bishop of Kilmore, Ireland |
| 27 Oct | | Appointed | Walter Skirlawe † | Bishop of Coventry and Lichfield, England, Great Britain | Bishop of Durham, England, Great Britain |
| 13 Nov | | Appointed | Francesco Mormile † | Bishop of Siena, Italy | Bishop of Cava (de’ Tirreni), Italy |
| 20 Nov | 45.5 | Appointed | Angelo Acciaioli † | Cardinal-Priest of San Lorenzo in Damaso | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 24 Nov | 40.8 | Appointed | Simon de Cramaud † | Bishop of Poitiers, France | Cardinal, Cardinal-Priest of San Lorenzo in Lucina |
| 2 Dec | | Appointed | William de Bottlesham † | Bishop of Llandaff, Wales, Great Britain | Bishop of Rochester, England, Great Britain |
| 31 Dec | | Died | Thierry Tylo † | Bishop of Samland (Sambia), Poland |
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