844

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

Decades: 790s 800s 810s 820s 830s - 840s - 850s 860s 870s 880s 890s

Years: 839 840 841 842 843 - 844 - 845 846 847 848 849

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Events

• Succession of Pope Sergius II (844 - 847).
• Rhodri the Great becomes king of Gwynedd.
• June 15: Louis II is crowned emperor.
• Dorestad is raided by Vikings.

Births

Deaths

• January 25: Pope Gregory IV (827 - 844)
• Merfyn Frych[?], king of Gwynedd