European Union law fair dealing through their business. In 1517, the Protestant Reformation triggered a hundred years of crisis and instability. Martin Luther nailed a list of demands to the church door of Wittenberg, King Henry VIII declared a unilateral split from Rome with the Act of Supremacy 1534, and conflicts flared across the Holy Roman Empire until the Peace of Augsburg 1555 guaranteed each principality the right to its chosen religion ("cuius regio, eius religio"). This unstable settlement unravelled in the Thirty Years' War (1618–1648), killing around a quarter of the population in central Europe. The Treaty of Westphalia 1648, which brought
Treaty of Compiègne (1624) Treaty of Compiègne (1624) The Treaty of Compiègne of 10 June 1624 was a peace treaty between France and the Netherlands. It allowed France to subsidize the Dutch war effort against Spain in the Dutch War of Independence (1568–1648) after the end of the Twelve Years' Truce. France offered an immediate loan of 480,000 thalers, to be followed by more instalments over a period of three years in which the Dutch would continue the fight against Spain. This move was part of the general effort of France to undermine the Habsburg Empire. It led to the revival of a Franco-Dutch