Aix-la-chapelle, Congress Of

(Oct. 1–Nov. 15, 1818), the first of the four congresses held by Great Britain, Austria, Prussia, Russia, and France to discuss and take common action on European problems following the Napoleonic Wars (1800–15). This congress (held at Aix-la-Chapelle—now Aachen, Ger.) was attended by Alexander I of Russia, Francis I of Austria, Frederick William III of Prussia, and their representatives. Great Britain