This paper deals with assessing the socio-cultural impact of Orthodox Christianity among the Oromo of Wallaggaa.The former Wallaggaa province consisted of the present day four zones namely East Wallaggaa, West Wallaggaa, Horro Guduru Wallaggaa and Qellem Wallaggaa. The socio-cultural changes and continuities among the Oromo was not studied comprehensively particularly in relation to the impact of the Orthodox Christianity. The researchers used both primary and secondary sources which were collected and analyzed qualitatively

Christianity, conquest, culture, gadaa, indigenous, impact, imposition, religion