Date | Age | Event | Bishop | Title | Current Title |
unknown | | Died | Giovanni Cappucci, O.P. † | Bishop of Orte, Italy |
| Born | Jean de Heinsberg † | | Bishop Emeritus of Liège, Belgium |
| Died | Thomas Rushook, O.P. † | Bishop of Kilmore, Ireland |
| Born | Friedrich Truchseß von Emmerberg † | | Archbishop of Salzburg, Austria |
27 Jan | | Appointed | William O’Cormacan † | Bishop of Clonfert, Ireland | Former Bishop-Elect |
| Appointed | Maurice O’Kelly † | Archbishop of Tuam, Ireland |
4 Feb | | Appointed | Niccolò Roberti † | Bishop of Ferrara, Italy | Archbishop of Soltania (Soltaniyeh), Iran |
11 Feb | | Appointed | Menéndez, O.F.M. † | Bishop of Bayonne, France |
8 Mar | | Appointed | Ubaldino Cambi Bonamici † | Archbishop of Torres, Italy | Archbishop of Oristano, Italy |
4 Apr | | Died | Heinrich zu Stolberg † | Bishop of Merseburg, Germany |
| Died | Florenz von Wevelinghoven † | Bishop of Utrecht, Netherlands |
17 Apr | | Appointed | Maffiolus de Lampugnano † | Archbishop (Personal Title) of Płock, Poland | Bishop |
26 Apr | | Died | Dietrich von der Schulenburg † | Bishop of Brandenburg, Germany |
25 May | | Ordained Bishop | Niccolò Roberti † | Bishop of Ferrara, Italy | Archbishop of Soltania (Soltaniyeh), Iran |
10 Jun | | Died | Edmund Bromfeld † | Bishop of Llandaff, Wales, Great Britain |
9 Jul | | Appointed | Heinrich von Bodendiek † | Bishop of Brandenburg, Germany |
19 Aug | | Appointed | Willem (Guillaume) van Coudenberghes (Cordemberghe) † | Bishop of Basel, Switzerland | Bishop of Tournai {Doornik}, Belgium |
27 Sep | | Appointed | Johann Walenrode † | Archbishop of Riga, Latvia | Bishop of Liège, Belgium |
23 Oct | 3.8 | Appointed | Niccolò de Diano † | Bishop of Teano, Italy | Archbishop of Napoli {Naples}, Italy |
7 Nov | | Appointed | Giacomo Cubello † | Archbishop of Trani, Italy |
10 Nov | 53.8 | Appointed | João Anes Escudeiro † | Archbishop of Lisboa {Lisbon}, Portugal |
Dec | | Died | João Gutiérrez † | Bishop of Acqs (Dax), France |