Backed by the financial resources drawn from the Americas, Spain fought wars against its enemies, such as the long-running Dutch Revolt (1568–1609), defending Christian Europe from Ottoman raids and invasions, supporting the Catholic cause in the French civil wars and fighting England during the Anglo-Spanish War (1585–1604). The Spanish Army grew in size from around 20,000 troops in the 1470s to around 300,000 troops by the 1630s during the Thirty Years' War that tore Europe apart, requiring the recruitment of soldiers from across Europe. With such numbers involved, Spain had trouble funding the war effort on so many fronts. The non-payment of troops led to many mutinies and events such as the Sack of Antwerp (1576), in which 17,000 people died.