821

Centuries: 8th century - 9th century - 10th century

Decades: 770s 780s 790s 800s 810s - 820s - 830s 840s 850s 860s 870s

Years: 816 817 818 819 820 - 821 - 822 823 824 825 826

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Events

• Tang Mu Zong becomes emperor of China

Births

Deaths

• February 11 - Benedict of Aniane, monastic founder and saint
• December 18 - Theodulf, Bishop of Orléans
• Coenwulf, king of Mercia\n