Bishopric of Ösel-Wiekball

Bishopric of Osel-Wiekball was a Bishopric in Estoniaball, in what is now Saareball, Hiiuball and Laaneball. Created as a state of the Holy Roman Empireball in 1228. The Bishopric ceased to exists in 1560 when the Duke of Holstein was elected as Bishop and he Ceded Wiekball to Poland-Lithuaniaball.