Date | Age | Event | Bishop | Title | Current Title |
unknown | | Appointed | Albéron di Lovanio † | Bishop of Metz, France |
| Resigned | Heinrich von Assel † | Bishop of Paderborn, Germany | Archbishop of Magdeburg, Germany |
| Born | Henry of Blois † | | Bishop of Winchester, England, Great Britain |
| Born | Bl. Hartmann di Bressanone † | | Bishop of Brixen {Bressanone}, Italy |
| Appointed | Yves de Chartres † | Bishop of Chartres, France |
50.0 | Appointed | Thiemo von Formbach, O.S.B. † | Archbishop of Salzburg, Austria |
| Ordained Bishop | Lambert de Grandson † | Bishop of Lausanne, Switzerland |
| Selected | Lambert de Grandson † | Bishop of Lausanne, Switzerland |
| Born | Pietro Pierleoni † | | Cardinal, Bishop |
| Born | St. Vizelin † | | Bishop Emeritus of Oldenburg, Germany |
| Appointed | Heinrich von Werl † | Bishop of Paderborn, Germany |
22 Feb | | Died | Rüdiger Hutzmann † | Bishop of Speyer, Germany |
7 Mar | | Appointed | Johannes von Kraichgau † | Bishop of Speyer, Germany |
7 Apr | 50.2 | Ordained Bishop | Thiemo von Formbach, O.S.B. † | Archbishop of Salzburg, Austria |
16 Jun | | Died | Günther von Krappfeld † | Bishop of Gurk, Austria |
6 Oct | 80.7 | Died | St. Adalbero di Würzburg † | Bishop Emeritus of Würzburg, Germany |
23 Nov | | Ordained Bishop | Yves de Chartres † | Bishop of Chartres, France |