How long has kano been the center of trade in Africa?

Kano has been a significant center of trade in Africa for several centuries, with its prominence dating back to at least the 10th century. It became a key hub in the trans-Saharan trade routes, facilitating the exchange of goods such as textiles, leather, and agricultural products. The city's strategic location and vibrant markets have made it an enduring focal point for commerce in West Africa.