Date | Age | Event | Bishop | Title | Current Title |
unknown | | Appointed | Robert de Dangeau (Dangeul) † | Bishop of Nevers, France |
| Born | Rudolf von Diepholz † | | Bishop of Utrecht, Netherlands |
| Died | Antonio de’ Saluzzi † | Archbishop of Milano {Milan}, Italy |
| Appointed | Ives Hirgouët † | Bishop of Tréguier, France |
| Resigned | Jakob Jensson, O.P. † | Bishop of Bjørgvin (Bergen), Norway | Bishop Emeritus |
| Appointed | Hugues Raimbaud † | Bishop of Condom, France |
| Died | Pellegrino Rufolo † | Bishop of Ravello, Italy |
| Resigned | Giovanni de Soglio, O.M. † | Bishop of Caffa, Italy | Bishop of Mondovi, Italy |
| Died | Thomas † | Bishop of Rieux, France |
| Died | Walter Trail † | Bishop of Saint Andrews, Scotland, Great Britain |
| Born | Rudolf von Scherenberg † | | Bishop of Würzburg, Germany |
2 Jan | | Ordained Bishop | Roger Appleby † | Bishop of Ossory, Ireland |
13 Jan | 62.0 | Died | Guillaume d’Aigrefeuille (Jr.), O.S.B. † | Cardinal, Cardinal-Priest of Santo Stefano al Monte Celio |
24 Jan | | Appointed | Pietro Boiardi † | Bishop of Ferrara, Italy | Bishop Emeritus |
| Appointed | Nicola Bolardi † | Bishop of Modena, Italy |
| Appointed | Niccolò Roberti † | Archbishop of Soltania (Soltaniyeh), Iran |
22 Feb | | Died | Johann Wepelitz † | Bishop of Havelberg, Germany |
23 Feb | | Appointed | Rudolf von Anhalt † | Bishop of Halberstadt, Germany |
9 Mar | | Died | Bernard Alamand † | Bishop of Condom, France |
26 Mar | | Appointed | Jens Ovesen † | Bishop of Odense, Denmark |
| Confirmed | Johann von Egloffstein † | Bishop of Würzburg, Germany |
29 Mar | | Appointed | Heinrich Vogelsang von Heisberg † | Bishop of Warmia (Ermland), Poland |
4 Apr | | Appointed | Jakob Jensson, O.P. † | Bishop of Vaison, France | Bishop Emeritus of Bjørgvin (Bergen), Norway |
| Appointed | Jakob Knutson † | Bishop of Bjørgvin (Bergen), Norway | Bishop of Oslo, Norway |
21 Apr | | Died | Gonzalo Mena Roelas † | Archbishop of Sevilla {Seville}, Spain |
27 Apr | | Appointed | Otto von Rohr † | Bishop of Havelberg, Germany |
May | | Ordained Bishop | Robert de Dangeau (Dangeul) † | Bishop of Nevers, France |
3 May | | Died | Pierre Morel † | Bishop of Tréguier, France |
26 May | 66.4 | Died | Bl. Andrea Franchi, O.P. † | Bishop Emeritus of Pistoia, Italy |
1 Jun | | Appointed | Peter Johannes † | Bishop of Strängnäs (Strengnäs), Sweden |
10 Jun | | Died | Tideman de Winchcomb † | Bishop of Worcester, England, Great Britain |
2 Jul | | Appointed | Ludovico Appenditano † | Bishop of Ravello, Italy |
12 Jul | | Ordained Bishop | Johann von Egloffstein † | Bishop of Würzburg, Germany |
24 Jul | | Ordained Bishop | Heinrich Vogelsang von Heisberg † | Bishop of Warmia (Ermland), Poland |
29 Jul | | Appointed | Pietro Grassi † | Bishop of Cremona, Italy | Bishop of Pavia, Italy |
23 Aug | | Appointed | Henry Bowet † | Bishop of Bath and Wells, England, Great Britain | Archbishop of York, England, Great Britain |
| Appointed | Richard Clifford † | Bishop of Worcester, England, Great Britain | Bishop of London, England, Great Britain |
26 Aug | | Appointed | Philippe de Ville-sur-Illon † | Bishop of Toul, France |
27 Aug | | Appointed | Leonardo Dolfin † | Titular Patriarch of Alexandria {Alessandria} |
8 Sep | | Ordained Bishop | John Greenlaw, O.F.M. † | Titular Bishop of Soldaja (Sudak) | Auxiliary Bishop of Bath and Wells, England, Great Britain |
14 Sep | | Appointed | Francesco Bembo † | Bishop of Castello, Italy |
46.7 | Died | Dobrogost z Nowego Dworu † | Archbishop of Gniezno, Poland |
9 Oct | | Ordained Bishop | Richard Clifford † | Bishop of Worcester, England, Great Britain | Bishop of London, England, Great Britain |
15 Nov | | Born | Ludovico Trevisano (Scarampi Mezzarota) † | | Cardinal, Patriarch of Aquileia, Italy |
16 Nov | 39.8 | Appointed | Alamanno Adimari † | Archbishop of Taranto, Italy | Cardinal, Cardinal-Priest of Sant’Eusebio |
| Appointed | Jacopo Palladini † | Archbishop (Personal Title) of Firenze, Italy | Archbishop of Spoleto, Italy |
20 Nov | | Ordained Bishop | Henry Bowet † | Bishop of Bath and Wells, England, Great Britain | Archbishop of York, England, Great Britain |
1 Dec | | Died | Pierre de Saint Martial † | Archbishop of Toulouse, France |
11 Dec | | Ordained Bishop | Giovanni Niccolò delle Caselle Migliorati † | Archbishop of Ravenna, Italy | Administrator |