||Ęthelwulf 1 started war against the Danes (Anonymi 849) at Carhampton and was defeated by them.
Primary Source Info
||... Athulf rex contra Danos instituit bellum in loco qui dicitur Carrum, a quibus et superatur ...
|Date from Source
||<841>: a year after Anonymi 2471 [made a great slaughter] in London, Quentovic and Rochester