In the 1500s and 1600s, hidden rooms were created in British castles to hide Catholic priests; these were referred to as
priest holes. During the
prohibition era, there were several examples of hidden rooms being used for storing alcohol or as entrances to
secret bars. In 1978, in connection with the police investigation of
Hans Otto Meyer, a secret room was found where Meyer kept weapons for what he claimed was a secret emergency preparedness organization under the
Norwegian Armed Forces' intelligence services associated with
NATOs
Stay Behind. In recent years, there have been examples of several companies specializing in making hidden rooms, as well as private individuals who have made improvised solutions, either for fun or for security in case of burglary. ==See also==