1.0 INTRODUCTION This study unit intends to introduce you to the dynamics of the evolution of Nigeria as apolitical unit. It will focus mainly on the different stages Nigeria as a country passed through especially under the British colonial masters. 2.0 OBJECTIVES At the end of this unit, you should be able to state with accuracy when Nigeria as a country became independent sovereign nation and later became a Republic • state who the first Europeans to arrive Nigeria • explain the constitution of the British in the creation of Nigeria • explain the about the Nigerian nationalism • identify some major problems left by the colonialists explain if Nigeria as a country is a vital political unit.