Na 23 Eprel 1816, Eze nke Kombo nyefere Banjul Island na Alexander Grant, onye isi ndị Britain. Grant guzobere Banjul dị ka ebe azụmaahịa na isi, na-ewu ụlọ na ụlọ ndị agha iji chịkwaa ọnụ ụzọ banye n'ọnụ mmiri Gambia ma na-egbochi azụmaahịa ohu. Ndị Britain gbanwere aha Banjul Island dị ka St. Mary's Island ma kpọọ obodo ọhụrụ ahụ Banurst, mgbe 3rd Earl Bathurst, Secretary of State for War and the Colonies n'oge ahụ. A na-etinye okporo ámá n'ime grid gbanwere, ma kpọọ aha ndị ọchịagha Allied na Battle of Bathloo. Obodo ahụ ghọrọ ebe etiti nke ọrụ ndị Britain na Gambia.
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