Pre-colonial history of Northern Nigeria Caliphate emerged from a series of religious campaigns led by the Fula people. By 1809 it had encompassed much of Northern Nigeria and Northern Cameroon. 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
Toei 12-000 series platform edge doors installed at every station. LCD information displays are provided above the doors. The trains entered service on 6 April 2015, with six units to be delivered by June 2016, replacing older 12-000 series trains. The last remaining first-batch trains (sets 01 to 06) are scheduled to be withdrawn by the end of June 2016. The two prototype cars, 12-001 and 12-002 are preserved at Chihaya Flower Park in Toshima, Tokyo. Toei 12-000 series The is an electric multiple unit (EMU) train type operated by the Tokyo subway operator Tokyo Metropolitan Bureau of Transportation (Toei) on the Toei