The Congress of Vienna was a diplomatic meeting held from 1814 to 1815, aimed at restoring stability and order in Europe after the upheaval caused by the Napoleonic Wars. It involved major powers including Austria, Prussia, Russia, and Great Britain, who sought to redraw the map of Europe, balance power among nations, and establish a framework for future diplomacy. This gathering set important precedents for international relations and highlighted the importance of collective security among great powers.