 The English, Dutch and Danish envoys concluded an alliance against the Catholic League in The Hague on 9 December 1625.Bethlen promised to launch a new military campaign against Royal Hungary and Richelieu agreed to send a subsidy to him.Taking advantage of the peasant revolt in Upper Austria, Christian IV departed from his headquarters in Wolfenbüttel, but Tilly routed his troops in the Battle of Lutter on 26 August 1626.