 In 1878, the Kingdom of Dahomey agreed to the French making the city of Cotonou into a protectorate; although taxation of the King of Dahomey was to remain in effect.In 1883, the French received similar concessions over Porto-Novo, a traditional rival of Dahomey along the coast.In 1889, King Glele died and his son Béhanzin came to power and immediately became quite hostile to the French in negotiations.