Charlemagne King of the Franks (768-814). Holy Roman Emperor (since 800); 747-814. - "The fall of the Irminsul" (great pillar) 772 near Eresburg in Westphalia. Drawing by Alfred Rethel (1816-1859). Draught of the fresco, 1848, in the Kaisersaal of the town hall in Aachen. Dresden, Staatliches Kupferstichkabinett.