- J. C. Winter
Mangi (king) of Keny in the southern Rombo region of Kilimanjaro (in present-day Tanzania) from c. 1800 to 1837, also known as Horombo and Rombo, was famous for having initiated a socio-military revolution and religious reformation in Chagga that brought it in line with the western world at the time, thereby ending Mamba’s rule over eastern Chagga. He unified by conquest all of eastern Chagga under his rule, then met with Mangi Rengua of Machame at the Nanga River between Mochi (Old Moshi) and Kiruwa in 1823, and they agreed that each should rule unmolested over his own half of Chagga.
When Orombo became the Mangi of Keny his realm was tiny and insignificant as for the past one hundred years Mamba succeeding Ugweno had dominated eastern Chagga Each mangidom consisted of localized patrilineal clans having noble warrior and cattle keeping lineages whose male and female youths passed ...
A version of this article originally appeared in The Dictionary of African Biography.