Operation Anvil (Mau Mau Uprising) authorities. Within 48 hours the British had detained 206 known insurgents. In the following weeks over 50,000 Africans were detained and questioned. Nevetheless, numerous leading figures among the rebels managed to escape from Nairobi into the countryside. The operation ended on 26 May. Operation Anvil marked a turning-point in the British campaign against the Mau Mau. The action left the insurgents mostly isolated in the forested mountains of Nyandarwa and Kirinyaga without access to supplies and the assistance of passive supporters. It proved to be the most sophisticated undertaking of the Kenyan Emergency. In the following weeks Mau Mau activity
Mau-Mau (card game) empty, the playing stack (except for the topmost card) is shuffled and turned over to serve as new drawing stack. The first one to go out must say "Mau" in order to win. If the last card is a Jack, they must say "Mau Mau" to win double. The most popular variant of this game in Czech Republic is called "Prší" ("Raining" in Czech language). It is played with deck of 32 German cards (four card suits, values from 7 to Ace) and has almost identical rules with several differences: In the Netherlands Mau Mau is mainly known as "Pesten"