Main Page | See live article | Alphabetical index Centuries: 8th century - 9th century - 10th century Decades: 770s - 780s - 790s - 800s - 810s - 820s - 830s - 840s - 850s - 860s - 870s Years: 820 821 822 823 824 825 826 827 828 829 Events: Egbert of Wessex rises to the position of Bretwalda. The Saracens conquer Crete and invade Sicily. The kingdom of Navarre is established. 829: Ansgar established the first church in Sweden. Important people: Louis the Pious Egbert of Wessex Michael II Mamun This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.