Kaduna (käˌdōnäˈ) [key], town (1991 est. pop. 302,000), N Nigeria. A commercial and industrial center of N Nigeria, Kaduna has cotton-textile, beverage, and furniture factories. It is a rail and road junction and the trade center for the surrounding agricultural area. A pipeline connects the city's oil refinery and petrochemical plant to oil fields in the Niger River delta. Cotton, peanuts, sorghum, and ginger are shipped. The city was founded by the British in 1913 and became the capital (1917–67) of Nigeria's former Northern Region; it remains N Nigeria's most important political center. Training colleges for teachers, police, and the military, two universities, and a technical institute are in Kaduna.