Pre-colonial history of Northern Nigeria Pre-colonial history of Northern Nigeria The pre-colonial history of Northern Nigeria encompasses the history of Northern Nigeria before the advent of European explorers and the subsequent pacification of Northern Nigeria by the British Empire. In pre-historical times, the area known as Northern Nigeria was home to the Kwatarkwashi/Nok culture. Elements of human civilisation have also been discovered around the Niger River near Kainji Dam. Around the 7th century the Kabara Nation under the control of the Kabara's emerged in Northern Nigeria. Around the 9th century an upheaval of unexplained origins saw a transference of power from these matriarchal monarchs and
Costain West Africa Costain West Africa Costain West Africa is a building and civil engineering firm founded in Nigeria in 1948. The company was the first building and civil engineering firm to listed on the stock exchange,work orders executed by the firm include construction of the 140 meter high NECOM house, constructed over loose sands with a shallow raft foundation design and University College Teaching Hospital, Ibadan. One of the oldest civil engineering and building companies established in Nigeria, from 1950 to the end of the twentieth century, it executed highway, roads, building and civil works projects both in private and public sectors.