Their grouping together into a single entity known as Nigeria was a construct of their British colonizers.
These various ethnic groups never considered themselves part of the same culture.
Marriage is an age-old custom and various tribes treat it differently. There are many ethnic groups in Nigeria and the traditional marriage is performed according to the customs of the tribe involved. Though there is archaeological evidence that societies have been living in Nigeria for more than twenty-five hundred years, the borders of modern Nigeria were not created until the British consolidated their colonial power over the area in 1914.The name Nigeria was suggested by British journalist Flora Shaw in the 1890s.The reason for some of these marriage customs are actually quite hard to explain.Some have to do with money, others are connected with behavior.Weddings are fun and festive occasions all over the world, and every culture has its unique way of celebrating the ceremony of marriage.