Thirty years war By marcokas 1618 Conflict breaks between Protestants and Catholics 1625 The siege of the city of Breda is a Catholic victory the Spanish territories 1635 France, a catholic country, enters the conflict on the protestants side to weaken the Habsburgs. 1643 Catholics were defeated in the battle of Rocroi 1648 The peace of Westphalia is signed, recognising the independence of Netherlands and proclaiming religious freedom 1659 Spain and France continued to fight until the peace of the pyrenees is signed and France achieves dominance in Europe