Dahomey conquered Allada, the origin for the royal family according to oral tradition, and in 1727 he conquered Whydah. This increased size of the kingdom, particularly along the Atlantic coast, and increased power made Dahomey into a regional power. The result was near constant warfare with the main regional state, the Oyo Empire, from 1728 until 1740. The warfare with the Oyo empire resulted in Dahomey assuming a tributary status to the Oyo empire. Tegbesu, also spelled as Tegbessou, was King of Dahomey, in present-day Benin, from 1740 until 1774. Tegbesu was not the oldest son of King Agaja (1718–1740), but
History of the Kingdom of Dahomey a number of tense discussions about the future of the Kingdom of Dahomey. In 1851-1852, the British imposed a naval blockade on the ports of Dahomey in order to force them to end the slave trade. In January 1852, Ghezo accepted a treaty with the British ending the export of slaves from Dahomey. In the same year and the following one, Ghezo suspended large-scale military campaigns and human sacrifice in the kingdom. However political pressure contributed to the resumption of slave trading and large scale military action in 1857 and 1858. Ghezo was assassinated by a sniper associated with Abeokuta