 Prior to Nigeria's independence from Britain, gained in 1960, many Nigerians studied in the UK along with other countries such as France and the United States, with the majority returning to Nigeria upon completion of their studies.In the 1960s, civil and political unrest in Nigeria contributed to many refugees migrating to Britain, along with skilled workers.Nigerians immigrated in larger numbers in the 1980s, following the collapse of the petroleum boom.