1953
MKULTRA established as an umbrella project
Described in later agency testimony as an umbrella project under which sensitive subprojects were funded, including research on drugs and behavioral modification. Operated until 1964 under this designation.
RECORD · CIA-RDP99-00498R000300020010-9
1953 - 1964
ARTICHOKE and BLUEBIRD-era research interests
Surviving archive descriptions reference holdings on drugs, interrogation and interviewing, lie detectors, hypnotism, and brainwashing, including testing elements such as durable amnesia. These records evidence research interest and proposals - not demonstrated capability.
RECORD · CIA-00184616
1973
Records destroyed
Destruction of program records in 1973 makes a complete accounting impossible. Any coverage map of this archive must therefore be displayed as incomplete, and absence of a record can never be read as absence of an event.
RECORD · CIA-RDP99-00498R000300020010-9
1975
Church Committee testimony
The program chemist testified before the Senate Select Committee to Study Governmental Operations With Respect to Intelligence Activities. Transcripts were classified Top Secret and reached the public only through later release.
RECORD · NSARCHIVE-GOTTLIEB-1975
1977
Seven boxes recovered; joint Senate hearing
The Director of Central Intelligence reported the discovery of seven boxes of MKULTRA material, and the joint hearing of August 3, 1977 documented 149 subprojects and named 185 non-government researchers and assistants identified in the recovered material.
RECORD · SSCI-95MKULTRA-1977
2026
Congressional declassification task force hearing
The Task Force on the Declassification of Federal Secrets held a hearing on June 30, 2026 examining the history and timeline of MKULTRA and its original classification. The most recent official proceeding in this source set.
RECORD · HOUSE-OVERSIGHT-2026-HEARING