Radiosamtaler

Radiosamtaler refers to the exchange of manila envelopes containing handwritten notes, often carrying information, gossip, rumors, or personal messages, among people and groups during World War II. This medium of communication allowed individuals to share and spread information discreetly, often avoiding official channels or censorship restrictions.

In Denmark, radiosamtaler gained popularity as a way to exchange information about the current state of affairs, resistance activities, and news about allies and enemies. People would write their messages on the envelopes' inner flaps and attach the corresponding outer flap, then send them to others via an established network of informants, so-called "rorspurter." Those acting as messengers were often tasked with conveying verbal messages, too.

Writers usually employed coded language, abbreviations, and clandestine symbols to conceal sensitive information from prying eyes or informants. Furthermore, to avoid detection, the communications used security protocols like the messages being shared between distinct recipients to deny possession in case of discovery.

During this wartime period, radiosamtaler played an essential role in distributing news, other information, and intelligence across wartime Denmark, YMCA, VDFH both providing crucial learning opportunities by communicating vital aid advice as secret service besides.