Philip was untiring in his attempts to draw new allies into the league against Charles V and the Archduke Ferdinand I of Austria, who had been invested with the Duchy of Württemberg. The Battle of Lauffen on 13 May 1534 cost Ferdinand his newly acquired possession and caused Philip to be recognized as the hero of the day in Protestant Germany; his victory was viewed as the victory of the Schmalkaldic League. The war to capture Wuerttemberg cost Philip upwards of half a million florins, which turned out to be the most costly of his campaigns. After consulting a host of possible investors in Philip’s War, Philip raised: