Kedụ ihe a na-emerube na mmemme Arugungu?
['ngwụcha nke iro dị n'etiti Sokoto Caliphate na ala eze Kebbi ọtụtụ narị afọ.']
What is celebrated in the Arugungu festival?
['the end of the centuries-old hostility between the Sokoto Caliphate and the Kebbi Kingdom.']