Frankish forces led by Louis the German invade Moravia. They encounter little resistance, and depose King Mojmir I from the throne.[2] His relative, Rastislav, is set up as the new client ruler.
Muslim forces attempt to raid Rome but only pillage the countryside around the city before being beaten back by Duke Guy I of Spoleto. In the aftermath, Pope Leo IV starts walling the area around the Vatican hill, creating the Leonine City.
^Fine, John V. A. Jr. (1991) [1983]. The Early Medieval Balkans: A Critical Survey from the Sixth to the Late Twelfth Century. Ann Arbor: University of Michigan Press. p. 110. ISBN 0-472-08149-7.
^Goldberg 2006, p. 140.
^The Oxford companion to Irish history (2nd ed.). Oxford University Press. February 24, 2011. p. 26. ISBN 9780199691869.
Sources
Goldberg, Eric J. (2006). Struggle for Empire: Kingship and Conflict under Louis the German, 817-876. Ithaca, NY: Cornell University Press. ISBN 9780801438905.