Cryptanalysis of the Enigma Bletchley Park to describe the network that used the same Enigma setting sheets. Initially these were recorded using coloured pencils and were given the names "red", "light blue" etc., and later the names of birds such as "kestrel". During World War II the settings for most networks lasted for 24 hours, although towards the end of the war, some were changed more frequently. The sheets had columns specifying, for each day of the month, the rotors to be used and their positions, the ring positions and the plugboard connections. For security, the dates were in reverse chronological order down the
Evacuation of the Gibraltarian civilian population during World War II of Dolours in Fulham for the support it had given to evacuees. Over 100 babies were born in Jamaica and the camp that they occupied was converted into part of the University of the West Indies after the war. Evacuation of the Gibraltarian civilian population during World War II The British Government's decision to enforce a mass evacuation of the civilian population during the Second World War from the Crown colony of Gibraltar, in order to increase the strength of The Rock with more British Armed Forces personnel, meant that most Gibraltarians (some for up to ten years) were forced