The conversion of Mercia to Christianity occurred in the latter part of the 7th century, and by the time of Penda's defeat and death, Mercia was largely surrounded by Christian states.
Mercia pöördumine kristlusse toimus 7. sajandi lõpul ning Penda kaotuse ja surma ajaks, oli Mercia suuresti kristlikest riikidest ümbritsetud.