1653 Imperial election electoral rights in a treaty of 1619, confirmed at the Diet of Regensburg on February 25, 1623. The revolt ignited a broader religious war across Germany, the Thirty Years' War, which would involve not only the states of the empire but also Sweden, the Dutch Republic, France, Denmark–Norway, England, Scotland, Spain and Hungary and which would kill some eight million people before its end. The Peace of Westphalia which ended the war in 1648 revived the principle of "cuius regio, eius religio" established in 1555 by the Peace of Augsburg and established the modern concept of Westphalian sovereignty. It additionally
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