| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Isidore of Kiev † | Monembasia, Greece | Cardinal, Cardinal-Bishop of Sant’Alessio |
| Born | Walram von Moers † | | Bishop-Elect of Münster, Germany |
| Born | Nikolaus Sachau (Sachow) † | Lübeck | Bishop of Lübeck, Germany |
| 21 Mar | | Died | Aymeric de Magnac (Maignac) † | Bishop Emeritus of Paris, France |
| May | 35.3 | Appointed | Pietro Tomacelli † | Cardinal-Priest of Sant’Anastasia | Pope (Roma {Rome}, Italy) |
| 12 Jul | | Elevated to Cardinal | Jean Franczon Allarmet de Brogny (Brognac) † | 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 † | Bishop of Gerona, Spain |
| 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 |
| 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 |
| 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, Poland |