 The earliest late Stone age industries in prehistory were found in Turkana, at the site of Lomekwi, and date to 3,300,000 years.At the archaeological site of Nataruk, in Southwest Turkana, scientists have discovered the oldest evidence of inter-group conflict in the past, establishing that warfare occurred between groups of hunter-gatherers.Direct influence by colonial forces, in the form of pacification within the district began in 1900 and ended in 1918.