<Li> Alexander I of Russia </Li> <Li> Nicholas I of Russia </Li> <P> The Concert of Europe, also known as the Congress System or the Vienna System after the Congress of Vienna, was a system of dispute resolution adopted by the major conservative powers of Europe to maintain their power, oppose revolutionary movements, weaken the forces of nationalism, and uphold the balance of power . Historians date its operation from the end of the Napoleonic Wars (1815) to the early 1820s, although some see it playing a role until the Crimean War (1853--1856). </P> <P> The Concert of Europe was founded by the powers of Austria, Prussia, Russia and the United Kingdom, which were the members of the Quadruple Alliance that defeated Napoleon and his First French Empire . In time, France was established as a fifth member of the Concert, following the restoration of the Bourbon monarchy . </P>

The concert of europe was formed after which war
find me the text answering this question