World War One: Kenya's forgotten heroes
19 August 2014 Last updated at 02:37 BST
In August 1914 the British bombed Dar es Salaam, which was then the capital of German East Africa, and ushered East Africa into the Great War.
Over the next four years at least 100,000 men lost their lives in the region, but arguably their role is not properly recognised.
The BBC's Emmanuel Igunza has been to two memorial cemeteries in the towns of Voi and Taveta in Kenya.