When was the benin moat fortified?

The Benin Moat, which surrounds the historic city of Benin in present-day Nigeria, was fortified in the 15th century. This extensive system of moats and walls was constructed around the time of the rise of the Benin Kingdom, serving both as a defensive structure and a symbol of the kingdom's power and sophistication. The fortifications were part of the city's elaborate urban planning and contributed to its reputation as one of the most impressive cities of its time.