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 Newport Treaty of Newport The Treaty of Newport was a failed treaty between Parliament and King Charles I of England, intended to bring an end to the hostilities of the English Civil War. Negotiations were conducted between 15 September 1648 and 27 November 1648, at Newport, Isle of Wight, on the initial proviso that they would not take longer than forty days (negotiations had effectively broken down by 27 October but continued formally to November). Charles was released on parole from his confinement at Carisbrooke Castle and lodged in Newport. Charles began proceedings by withdrawing his declarations against Parliament but also