There is not a lot of evidence about the last years of Adandozan's reign and the specifics of the coup to replace him are detailed very differently in different sources; even the year of the coup is not agreed upon [REF].
In general, it is contended that during the Annual Customs of Dahomey in 1818, Ghezo replaced Adandozan with the help of Adandozan's Migan and Mehu (prime ministers) [REF].