The annual Bilderberg Conference is shrouded in nearly as much mystery as CIA itself, with a number of conspiracy theories that seeing these meetings of the elite as where the strings of the world are pulled. To get an idea of how intelligence agencies view the Bilderberg meetings, I reviewed the references in the CREST archive. While there weren’t many references, they were enlightening.
The earliest declassified reference in CIA files to the Bilderberg conference actually comes shortly before the group’s first meeting. A formerly TOP SECRET description of a Deputies Meeting from May 21, 1954 shows that the conference was brought up in a meeting between CIA Director Allen Dulles and his deputies. Although the conference isn’t referred to by name, it lists several attendees of the inaugural Bilderberg meeting and mentions the general location. On May 29th, the Bilderberg conference began.
https://www.muckrock.com/news/archives/2017/feb/27/bilderberg-cia/