 The Council was re-opened in 1550 with the participation of Lutherans, and Charles V set up the Imperial court in Innsbruck, Austria, sufficiently close to Trent for him to follow the evolution of the debates.In 1552 Protestant princes, in alliance with Henry II of France, rebelled again and the second Schmalkaldic War began.Maurice of Saxony, instrumental for the Imperial victory in the first conflict, switched side to the Protestant cause and bypassed the Imperial army by marching directly into Innsbruck with the goal of capturing the Emperor.