Portuguese explorers were the first Europeans to begin trade in Nigeria in the port they named Lagos and in Calabar. The Europeans traded with the ethnicities of the coast and also negotiated a trade in slaves, to the detriment and profit of many Nigerian ethnicities.
Following the Napoleonic Wars, the British expanded trade with the Nigerian interior. Consequently many of the citizens of the former slave nations of the British Empire are descended from a Nigerian ethnic group.
Following the Napoleonic Wars, the British expanded trade with the Nigerian interior. Consequently many of the citizens of the former slave nations of the British Empire are descended from a Nigerian ethnic group.
In 1885 British claims to a West African sphere of influence received international recognition and in the following year the Royal Niger Company was chartered under the leadership of Sir George Taubman Goldie. In 1900 the company's territory came under the control of the British government, which moved to consolidate its hold over the area of modern Nigeria. On January 1, 1901 Nigeria became a British protectorate, part of the British Empire, the foremost world power at the time. Many wars against subjugation had been fought by the states of what later became Nigeria against the British Empire in the late nineteenth and early twentieth century. Notably of those were the British Conquest of Benin in 1897 and the Anglo-Aro War from 1901—1902. The restraint or complete destruction of these states opened up the Niger area to British rule.
In 1914, the Niger area was formally united as the Colony and Protectorate of Nigeria. Administratively, Nigeria remained divided into the northern and southern provinces and Lagos colony. Western education and the development of a modern economy proceeded more rapidly in the south than in the north, with consequences felt in Nigeria's political life ever since. Slavery was not finally outlawed in northern Nigeria until 1936.
Following World War II, in response to the growth of Nigerian nationalism and demands for independence, successive constitutions legislated by the British Government moved Nigeria toward self-government on a representative and increasingly federal basis. By the middle of the 20th century, the great wave for independence was sweeping across Africa.
