It was conceived in 1807 by Crown Prince Ludwig in order to support the then-gathering momentum for the unification of the many German states. Following his accession to the throne of Bavaria, construction took place between 1830 and 1842 under the supervision of the architect Leo von Klenze. The memorial displays some 65 plaques and 130 busts covering 2,000 years of history, beginning with Arminius, victor at the Battle of the Teutoburg Forest in 9 AD.