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

Years: 843 844 845 846 847 - 848 - 849 850 851 852 853

• The Borobudur is completed. (approximate date)
• The Saracens destroy Leontini.
• Charles the Bald, Louis the German and Lothair meet in Koblenz.

• Alfred the Great (approximate date)