Centuries: 8th century - 9th century - 10th century
Decades: 760s 770s 780s 790s 800s - 810s - 820s 830s 840s 850s 860s
Years: 814 815 816 817 818 - 819 - 820 821 822 823 824
Events:
- The Abbasid capital is moved back to Baghdad
- Louis the Pious marries Judith Welf
Deaths\n