Area 51 — Complete Chronological Timeline (1955–2025)
From KB42
Area 51 — Complete Chronological Timeline (1955–2025)
[edit | edit source]| Date | Event | Type | Status |
|---|---|---|---|
| April 1955 | CIA and Air Force select Groom Lake as U-2 testing site; presidential approval obtained | Founding event | Documented (2013 CIA release) |
| July 1955 | CIA, Air Force, and Lockheed personnel begin arriving; construction of basic facilities complete | Operational establishment | Documented |
| July 24, 1955 | First U-2 delivery arrives from Burbank by C-124 Globemaster | Aircraft delivery | Documented |
| August 4, 1955 | First intentional U-2 flight by test pilot Tony LeVier | First flight | Documented |
| 1955–1956 | U-2 flights begin generating UFO reports from commercial aviation; CIA notes but does not correct | UFO misdirection begins | Documented (CIA history) |
| July 4, 1956 | First U-2 overflight of Soviet Union | Operational deployment | Documented |
| 1958 | AEC Public Land Order 1662 formally withdraws Groom Lake area from public use | Legal architecture | Documented |
| August 1959 | Project OXCART formally established for A-12 development | Program initiation | Documented |
| November 1959 | Radar test facility established at Area 51 | Infrastructure | Documented |
| October 13, 1961 | CIA Inspector General reports base "extremely vulnerable" to unauthorized observation | Security assessment | Documented (declassified memo) |
| December 22, 1961 | First A-12 OXCART arrives at Area 51 | Aircraft delivery | Documented |
| April 26, 1962 | First flight of A-12 OXCART by test pilot Lou Schalk | First flight | Documented |
| May 1, 1963 | First A-12 flight exceeding Mach 3 | Performance milestone | Documented |
| July 30, 1966 | D-21 drone accident destroys M-21 mother aircraft; kills crew member | Accident | Documented |
| 1967–1968 | A-12 OXCART operationally deployed over North Vietnam and North Korea | Combat deployment | Documented |
| 1968 | A-12 OXCART retired; SR-71 takes over strategic reconnaissance mission | Program end | Documented |
| 1971 | D-21 Tagboard drone program cancelled | Program end | Documented |
| 1974 | Skylab astronauts accidentally photograph Area 51; images removed from film rolls and stored in vault | Security incident | Documented (declassified) |
| 1977–1979 | Have Blue stealth prototype tested at Area 51; both prototypes crash | Stealth development | Documented |
| 1978 | F-117 Nighthawk stealth program (Senior Trend) begins testing at Area 51 | Program initiation | Documented |
| August 26, 1976 | DCIA memo recommends Area 51 management transfer from CIA to Air Force | Administrative change | Documented |
| October 14, 1988 | First public mention of Area 51 as alien site on syndicated TV broadcast UFO Coverup? Live | UFO mythology | Documented |
| May 13, 1989 | George Knapp interviews "Dennis" (Bob Lazar) on KLAS-TV; S-4 claims first broadcast | Public disclosure | Documented |
| November 1989 | Bob Lazar appears under his own name on KLAS-TV; alien spacecraft claims fully public | Public disclosure | Documented |
| 1994 | Area 51 perimeter extended to include Freedom Ridge and White Sides Mountain | Perimeter expansion | Documented |
| January 30, 1996 | President Clinton signs presidential determination exempting Area 51 from disclosure laws | Legal architecture | Documented |
| April 1996 | Nevada designates State Route 375 as "Extraterrestrial Highway" | Cultural event | Documented |
| 1998 | USAF officially acknowledges the site's existence (though not specifics) | Partial acknowledgment | Documented |
| June 25, 2013 | CIA releases 407-page U-2/OXCART history; officially acknowledges Area 51 by name | Official acknowledgment | Documented |
| August 15, 2013 | National Security Archive publishes CIA documents; global media coverage | Public release | Documented |
| December 8, 2013 | President Obama first president to use "Area 51" in public speech | Presidential acknowledgment | Documented |
| September 20, 2019 | Storm Area 51 event; approximately 1,500–3,000 people gather near base | Cultural event | Documented |
| December 2020 | President Trump reportedly briefed on UAP programs; congressional UAP provisions included in defense legislation | Policy development | Documented |
| June 2021 | ODNI releases UAP preliminary assessment report to Congress | Official UAP acknowledgment | Documented |
| July 2022 | All-domain Anomaly Resolution Office (AARO) established | Official program | Documented |
| July 26, 2023 | David Grusch sworn congressional testimony alleges classified non-human craft recovery programs | Congressional testimony | Documented |
| 2024 | AARO Historical Record Report (Vol. 1) released; acknowledges possible unreachable compartmented programs | Official assessment | Documented |
| 2025 | Area 51 continues active operations; Janet Airlines operating; classified programs ongoing | Current status | Confirmed by ongoing observable activity |
