The Old Swiss Confederacy a "de facto" independent state throughout the early modern period, although still nominally part of the Holy Roman Empire until 1648 when the Treaty of Westphalia ended the Thirty Years' War. The Swiss Reformation divided the confederates into Reformed and Catholic parties, resulting in internal conflict from the 16th to the 18th centuries; as a result, the federal diet () was often paralysed by hostility between the factions. The Swiss Confederacy fell to invasion by the French Revolutionary Army in 1798, after which it became the short-lived Helvetic Republic. The adjective "old" was introduced after the Napoleonic era with ,
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