A fact from Radio Londres appeared on Wikipedia's Main Page in the Did you know column on 29 June 2008, and was viewed approximately 825 times (disclaimer) (check views). The text of the entry was as follows:
This article is within the scope of WikiProject France, a collaborative effort to improve the coverage of France on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.FranceWikipedia:WikiProject FranceTemplate:WikiProject FranceFrance articles
This article is within the scope of the Military history WikiProject. If you would like to participate, please visit the project page, where you can join the project and see a list of open tasks. To use this banner, please see the full instructions.Military historyWikipedia:WikiProject Military historyTemplate:WikiProject Military historymilitary history articles
This article has been checked against the following criteria for B-class status:
This article is within the scope of WikiProject Radio, a collaborative effort to improve the coverage of Radio-related subjects on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.RadioWikipedia:WikiProject RadioTemplate:WikiProject RadioRadio articles
This article is within the scope of WikiProject Radio Stations, a collaborative effort to improve the coverage of radio stations on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Radio StationsWikipedia:WikiProject Radio StationsTemplate:WikiProject Radio StationsRadio station articles
Broadcasts would begin with "Before we begin, please listen to some personal messages." It was clear to nearly everyone that they were coded messages, often amusing, and completely without context.
I have read (likely in Between Silk and Cyanide) that these messages were used not only to trigger (or report) an action but also to establish the bona fides of secret agents. A spy would say to a local, “Give me an arbitrary sentence – ‘the blue cow cannot sing,’ okay – now listen tomorrow at 18h, and if I am really in touch with London you'll hear that sentence.” —Tamfang (talk) 20:01, 9 July 2023 (UTC)[reply]