Editing 846 (section)

==== Europe ====
* Summer &ndash; [[Bretons|Breton]] forces under [[Nominoe]] occupy the Frankish cities of [[Nantes]] and [[Rennes]]. He makes raids in [[County of Anjou|Anjou]] and threatens [[Bayeux]]. King [[Charles the Bald]] recognizes him as duke of [[Kingdom of Brittany|Brittany]].
* Prince [[Pribina]] becomes a [[vassal]] of the [[Francia|Frankish Empire]]. King [[Louis the German]] grants him land near [[Lake Balaton]] (modern [[Hungary]]). He establishes [[Zalavár|Blatnohrad]], capital of [[Principality of Lower Pannonia|Balaton Principality]].
* Frankish forces led by Louis the German invade [[Great Moravia|Moravia]]. They encounter little resistance, and depose King [[Mojmir I of Moravia|Mojmir I]] from the [[throne]].<ref name='Goldberg 140'>{{harvnb|Goldberg|2006|p=140}}.</ref> His relative, [[Rastislav of Moravia|Rastislav]], is set up as the new [[Client state|client ruler]].
* Muslim forces [[Arab raid against Rome|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]].
* The [[Mozarabs]], [[Iberian Peninsula|Iberian]] Christians who live under [[Moors|Moorish]] rule, try to repopulate [[León, Spain|León]] in [[Al-Andalus]] (modern [[Spain]]). The city is recaptured by the [[Arab Muslims|Muslim Arabs]].