クレメンス・フォン・メッテルニヒ
The Congress of Vienna (, ) of 1814–1815 was an international diplomatic conference to reconstitute the European political order after the downfall of the French Emperor Napoleon I. It was a meeting of ambassadors of European states chaired by Austrian statesman Klemens von Metternich, and held in Vienna from November 1814 to June 1815.