After Catholic victories Earnings_and_losses early in the Thirty Years ' War Hostile_encounter , the `` Declaratio Ferdinandei '' was overturned Process_end in the Edict Legal_rulings of Restitution of 1629 , which was part of Ferdinand II 's master plan Arranging to reconvert the Holy Roman Empire to Catholicism .

The revocation of the `` Declaratio Ferdinandei '' by the Catholics in the `` Edict of Restitution '' helped Assistance fuel the Thirty Years War .

The `` Edict of Restitution '' itself was overturned Change in the 1635 Peace of Prague , which restored Recovering the 1555 terms of the `` Peace of Augsburg . ''