Operation Anvil (Mau Mau Uprising) Operation Anvil (Mau Mau Uprising) Operation Anvil was a British military operation during the Mau Mau Uprising where British troops attempted to remove Mau Mau from Nairobi and place them in Langata Camp or reserves. The operation began on 24 April 1954 and took two weeks, at the end of which 20,000 Mau Mau suspects had been taken to Langata, and 30,000 more had been deported to the reserves. In the early 1950s militant nationalism emerged in the United Kingdom's colony of Kenya in East Africa. By 1952 guerrilla attacks against white settlers and indigenous moderates, perpetrated by the "Mau
Mau Mau Uprising Mau", claim it was an anagram of "Uma Uma" (which means "get out get out") and was a military codeword based on a secret language-game Kikuyu boys used to play at the time of their circumcision. Majdalany goes on to state that the British simply used the name as a label for the Kikuyu ethnic community without assigning any specific definition. As the movement progressed, a Swahili backronym was adopted: "Mzungu Aende Ulaya, Mwafrika Apate Uhuru" meaning "Let the foreigner go back abroad, let the African regain independence". J.M. Kariuki, a member of Mau Mau who was detained during the