During the Dark Ages from 500-1000 AD, church-funded art in Europe served religious purposes and educated the illiterate masses. Altarpieces in churches typically featured figures of Mary or saints in stylized, symbolic poses. Secular art existed but little has survived. Meanwhile, other major civilizations like the Byzantine Empire, Islamic world, and Mayans flourished with stable governments and cultural achievements. Charlemagne briefly united parts of western Europe and revived classical Roman influences before his empire was divided after his death.