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
Dahomey local Gedevi). The foundational king for Dahomey is often considered to be Houegbadja (c. 1645–1685), who built the Royal Palaces of Abomey and began raiding and taking over towns outside of the Abomey plateau. King Agaja, Houegbadja's grandson, came to the throne in 1708 and began significant expansion of the Kingdom of Dahomey. This expansion was made possible by the superior military force of King Agaja's Dahomey. In contrast to surrounding regions, Dahomey employed a professional standing army numbering around ten thousand. What the Dahomey lacked in numbers, they made up for in discipline and superior arms. In 1724, Agaja