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
Toei 12-000 series 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 Oedo Line in Tokyo, Japan. A new batch of sets, classified 12-600 series, were delivered from fiscal 2011. Broadly based on the earlier 4th-batch design (sets 16 to 53), these sets included a number of design improvements. The 12-600 sets are formed as shown below, with all cars motored. The 12-600 series fleet details are as shown below. Two prototype cars, numbered 12-001 and 12-002, were delivered from Tokyu Car Corporation in April