Carolingian art flourished during the rule of Charlemagne and his successors in the late 8th and 9th centuries. Charlemagne revived classical Roman forms and commissioned lavish manuscripts and architecture to establish himself as the head of a renewed Christian Roman Empire based in Aachen. Manuscripts like the Coronation Gospels and Ebbo Gospels featured illustrations inspired by both classical Roman and contemporary Byzantine styles. Church architecture like the Palatine Chapel in Aachen and the St. Gall Plan incorporated Roman elements like columns and basilican layouts. Under the Ottonian dynasty in the 10th century, artistic traditions continued as seen in buildings like the churches of Gernrode and St