Years: 822 823 824 825 - 826 - 827 828 829 830

Decades: 790s 800s 810s - 820s - 830s 840s 850s

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

Events

• The Danish king accepts Christianity.
• Tang Wen Zong succeeds Tang Jing Zong as emperor of China.

Births

• Saint Methodius, missionary and Bible translator (d. 885)

Deaths

• Theodore the Studite, monk and theologician (approximate date)