Timeline

• Magenta crash (alleged, 1933) (13 June 1933)
• Scandinavian “ghost rockets” (May 1946)
• Project Blue Book case file: Mt. Rainier, Washington, June 1947 (Kenneth Arnold) (24 June 1947)
• The 1947 flying disc wave (24 June 1947)
• Kenneth Arnold sighting near Mount Rainier (24 June 1947)
• Roswell crash (July 1947)
• Project Blue Book case file: Portland, Oregon, and the Northwest, July 1947 (incidents of 4 July) (4 July 1947)
• Portland police and harbor patrol disk sightings (4 July 1947)
• United Air Lines Flight 105 sighting near Emmett, Idaho (4 July 1947)
• Twining memo: AMC Opinion Concerning “Flying Discs” (23 September 1947)
• Project Sign (22 January 1948)
• Project Grudge (1949)
• Unidentified Aerial Objects: Project “SIGN” (Air Materiel Command, Technical Report No. F-TR-2274-IA, February 1949) (February 1949)
• Air Ministry and MoD files on unidentified aircraft and UFOs: AIR 20/7390 (1950–54) and AIR 2/19086 (1970–75) (1950)
• Project Magnet (1950)
• FBI “Guy Hottel” memo (22 March 1950)
• Meteor pilot and Wartling radar, Portsmouth area (1 June 1950)
• RAF officers' disc sightings at the Royal Aircraft Establishment, Farnborough (14 August 1950)
• Gander Navy R5D encounter (10 February 1951)
• “Unidentified Flying Objects”: report by the Flying Saucer Working Party (UK, June 1951) (June 1951)
• French Air Ministry file on the Orange-Caritat sighting, 15 June 1951 (GEIPAN case 1951-06-00002) (15 June 1951)
• Orange-Caritat Vampire pilots' sighting (France, 1951) (15 June 1951)
• Project Blue Book (1952)
• Project Blue Book case file: KOREA, January 1952 (29 January 1952)
• Wonsan–Sunchon B-29 sightings (29 January 1952)
• Transcript of a presentation by Captain Edward J. Ruppelt, March 1952 (DOW-UAP-D154) (26 March 1952)
• Project Blue Book case files: Chorwon, Korea, May 1952 (31 May 1952)
• Chorwon F-94 engagement (31 May 1952)
• Ship’s captain and second officer watch a light manoeuvre over Port-Gentil (1 June 1952)
• Tremonton film (Utah, 1952) (2 July 1952)
• Washington, D.C. UFO incident (12 July 1952)
• Churchill's minute on flying saucers and the Air Ministry's reply (PREM 11/855, 1952–55) (28 July 1952)
• Project Blue Book case file: Haneda AFB, Japan, August 1952 (5 August 1952)
• Haneda AFB radar-visual sighting (5 August 1952)
• Exercise Mainbrace sightings (incl. RAF Topcliffe) (13 September 1952)
• CIA memorandum: “Flying Saucers” (Office of Scientific Intelligence to the Director of Central Intelligence) (2 October 1952)
• Robertson Panel report (Durant Report): Report of Meetings of Scientific Advisory Panel on Unidentified Flying Objects (14 January 1953)
• Medan sighting (Indonesia's first officially documented UFO report) (28 January 1953)
• Air Force Regulation 200-2, Unidentified Flying Objects Reporting (12 August 1954) (12 August 1954)
• Nowra Sea Fury incident (Australia, 1954) (31 August 1954)
• Two cyclists see a landed object take off near Harponville (7 September 1954)
• Soldiers at the Doullens radar station watch a disc hover under the clouds (19 October 1954)
• Florence stadium sighting (27 October 1954)
• Lakenheath–Bentwaters radar-visual incident (13 August 1956)
• Edwards AFB Askania photographs (2 May 1957)
• RAF Manston F-86D ordered to fire on a radar UFO over East Anglia (20 May 1957)
• Ubatuba magnesium fragments (September 1957)
• Betty and Barney Hill abduction (19 September 1961)
• Project Blue Book case file: Lincoln, New Hampshire, September 1961 (the Hill case) (20 September 1961)
• Conde, Bahia “crashed sphere” report (8 November 1963)
• Holloman AFB landing film (claimed) (1964)
• Project Blue Book case file: Socorro, New Mexico, April 1964 (Lonnie Zamora) (24 April 1964)
• Socorro landing (New Mexico, 1964) (24 April 1964)
• Big Sur Atlas missile incident (15 September 1964)
• Valensole landing: a craft and two small beings in a lavender field (1 July 1965)
• Pretoria–Bronkhorstspruit road sighting (17 September 1965)
• Hearing transcript: Unidentified Flying Objects — House Armed Services Committee (April 5, 1966) (5 April 1966)
• House Armed Services Committee hearing on Unidentified Flying Objects (5 April 1966)
• Westall High School sighting (6 April 1966)
• 341st Strategic Missile Wing histories, January 1967 – March 1968 (Echo Flight incident), FOIA release (1967)
• Malmstrom AFB missile shutdown (March 1967)
• Spanish Air Force file 670603: aircraft and radar encounter over Montánchez, 3 June 1967 (3 June 1967)
• Montánchez radar-visual intercept by T-33 and F-86 jets (Spain, 1967) (3 June 1967)
• Six “flying saucers” across southern England: the Farnborough students' hoax (4 September 1967)
• Shag Harbour UFO incident (4 October 1967)
• Hearing transcript: Symposium on Unidentified Flying Objects — House Committee on Science and Astronautics (July 29, 1968) (29 July 1968)
• House Science and Astronautics Committee — Symposium on Unidentified Flying Objects (29 July 1968)
• Project Blue Book case file: Minot AFB, North Dakota, October 1968 (24 October 1968)
• Minot B-52 radar and visual sightings (North Dakota, 1968) (24 October 1968)
• Spanish Air Force file 681104: lights between Valencia and Sagunto, 4 November 1968 (4 November 1968)
• Iberia IB-249 lights between Valencia and Sagunto (Spain, 1968) (4 November 1968)
• Bolender memo (20 October 1969)
• Loss of RAF Lightning XS894 and its USAF exchange pilot off Flamborough Head (8 September 1970)
• Italian Air Force OVNI archive, 1972–1990 (summary table of 208 reports) (1972)
• Stargate Project (1972)
• Rosmead tennis-court “landing” (12 November 1972)
• Pascagoula abduction (11 October 1973)
• Whiteman AFB triangle over missile silo (1975)
• Kōfu incident (23 February 1975)
• Sandra Larson abduction (August 1975)
• Travis Walton abduction (5 November 1975)
• F.E. Warren AFB launch-facility overflight (1976)
• Allagash abduction (August 1976)
• U.S. Defense Attaché / DIA report: UFO sighting in Iran, 19 September 1976 (NSA-released reproduction) (September 1976)
• Tehran UFO incident (19 September 1976)
• Spanish Air Force file 761119: the luminous phenomenon over the Canary Islands, 19 November 1976 (19 November 1976)
• Canary Islands luminous halo seen by Navy, Air Force and airline crews (Spain, 1976) (19 November 1976)
• Devil’s Den encounter (1977)
• Broad Haven Primary School sighting (February 1977)
• Operação Prato (Colares) (October 1977)
• Cagliari-Elmas orange sphere seen by Army and Air Force pilots (Italy, 1977) (27 October 1977)
• Ellsworth AFB N-5 silo incident (November 1977)
• Setka ("Net"): Soviet state programme on anomalous phenomena, 1978–1990 (1978)
• Wave of police and public sightings across southern Britain traced to space debris (16 April 1978)
• Évreux air base: duty officer and tower staff see a red light, with a radar echo (23 April 1978)
• Sayama encounter (3 October 1978)
• RNZAF UFO file AIR 1080/6/897 Vol. 1: investigation of the December 1978 east-coast South Island sightings (Kaikōura) (December 1978)
• Kaikōura lights (21 December 1978)
• Baependi encounter (16 May 1979)
• Treviso G-91R interception and photographs (Italy, 1979) (18 June 1979)
• A scientist and his neighbours watch a stationary light sweep the ground with a blue beam (21 July 1979)
• Spanish Air Force file 791111/791117/791128: unusual phenomena in Valencia, Motril and Madrid, November 1979 (the Manises case) (11 November 1979)
• Manises UFO incident (TAE flight 297) (11 November 1979)
• Three witnesses follow a bright orange mass for 45 minutes near Royan (16 March 1980)
• Republic of Korea Air Force Phantoms encounter (31 March 1980)
• La Joya Air Base intercept (11 April 1980)
• Aircraft flight engineer watches a domed object near Basel, with a radar echo (26 May 1980)
• Rendlesham Forest incident (26 December 1980)
• Upper Heyford triangle (Dan Isbell) (26 December 1980)
• Salyut 6 "double explosion" seen by cosmonaut Kovalyonok (Earth orbit, 1981) (1981)
• GEIPAN case file: Trans-en-Provence, 8 January 1981 (GEPAN Technical Note 16) (8 January 1981)
• Trans-en-Provence landing trace (France, 1981) (8 January 1981)
• Halt memo: Unexplained Lights (13 January 1981)
• St. Helens, Oregon, police sighting over the Columbia River (17 March 1981)
• Gendarmes on the A10 motorway follow a light that lit up the landscape (23 January 1982)
• Usovo / Byelokorovichi missile-base lights (Soviet Ukraine, 1982) (4 October 1982)
• Soviet military witness statements on the Usovo lights, 4–5 October 1982 (English translation released by KLAS-TV, 2026) (5 October 1982)
• Official UFO Night (Brazil, 1986) (19 May 1986)
• Brazilian Air Defence Command report on the events of 19–20 May 1986 ("Official UFO Night") (2 June 1986)
• Japan Airlines flight 1628 incident (17 November 1986)
• FAA record of interview with JAL Captain Kenju Terauchi (JAL 1628) (2 January 1987)
• FAA record of interview with JAL First Officer Takanori Tamefuji (JAL 1628) (5 January 1987)
• FAA record of interview with JAL Flight Engineer Yoshio Tsukuba (JAL 1628) (15 January 1987)
• FBI file: Majestic 12 (1988)
• Car stalls and its lights die as a fireball passes, Mayet (3 March 1989)
• Three game wardens on night patrol watch lights zigzag at great speed (30 May 1989)
• Belgian UFO wave (29 November 1989)
• Edwards AFB black triangle (Dan Isbell) (1990)
• Pereslavl-Zalessky air-defence alert and interception (USSR, 1990) (21 March 1990)
• CIA/FBIS Foreign Press Note FB PN 90-123: "USSR: UFO sightings no. 2 — General Maltsev comments" (1990) (April 1990)
• Calvine photograph (4 August 1990)
• RAF Tornado crews overtaken by a large unknown aircraft over the North Sea (5 November 1990)
• Alitalia MD-80 encounter with an unidentified “missile” near Lydd, Kent (21 April 1991)
• Victoria (Entre Ríos) lights (July 1991)
• MoD file DEFE 24/1972: alleged UFO involvement in the crash of Lightning F6 XS894 (1970) (1992)
• Cape Canaveral hangar saucer (1992)
• Mexico City airport radar contacts (4 March 1992)
• MoD file DEFE 24/2086: UFO sightings of 30–31 March 1993 (Cosford incident) (1993)
• Cosford incident: police and RAF sightings across western England and Wales (31 March 1993)
• Tajik Air 747SP sighting over Kazakhstan (27 January 1994)
• GEIPAN case file: « AF3532 » Coulommiers, 28 January 1994 (28 January 1994)
• Air France flight 3532 sighting (28 January 1994)
• Holland Police Department general incident report 940308035 (UFO sightings, 8 March 1994) (8 March 1994)
• Holland–Muskegon lights (Michigan, 1994) (8 March 1994)
• Meng Zhaoguo incident (June 1994)
• Ariel School encounter (16 September 1994)
• Radar “blob” and guards' sighting at RAF Lyneham (December 1994)
• GAO report on the Roswell crash records (B-262046, July 28, 1995) (28 July 1995)
• Bariloche airport incident (Aerolíneas Argentinas flight 674) (31 July 1995)
• UFO Briefing Document: The Best Available Evidence (December 1995)
• Robert Bigelow buys Skinwalker Ranch (1996)
• Varginha incident (20 January 1996)
• Hansard: written answer on the Calvine photograph (24 July 1996) (24 July 1996)
• Lights over the Wash and radar plot over Boston, Lincolnshire (5 October 1996)
• The Roswell Report: Case Closed (U.S. Air Force, 1997), summary (1997)
• CIA's Role in the Study of UFOs, 1947–90 (Gerald K. Haines, Studies in Intelligence, 1997) (1997)
• Ministry of Defence lists of UFO reports received, 1997–2009 (1997)
• Phoenix Lights (13 March 1997)
• Brazilian Army military police inquiry IPM nº 18/1997 into the Varginha case (Escola de Sargentos das Armas, 1997) (11 April 1997)
• Luke AFB FOIA reply on the Phoenix Lights (1 May 1997) (1 May 1997)
• Tel Nof F-15 encounter (1998)
• Cangzhou military airbase sighting (19 October 1998)
• Platov & Sokolov, "Study of unidentified flying objects in the USSR", Vestnik of the Russian Academy of Sciences, 2000 (2000)
• Disclosure Project press conference at the National Press Club (9 May 2001)
• Joint Base Andrews F-16 chase (26 July 2002)
• Admiral Wilson memo (EWD notes) (16 October 2002)
• Vandenberg “Red Square” incident (14 October 2003)
• Flashing lights over Bromley confirmed by police and a police helicopter crew (17 November 2003)
• Iranian air defence encounters over nuclear sites (2004)
• Mirage IV patrol briefly followed by an unknown aircraft near Nancy (15 October 2004)
• USS Nimitz “Tic Tac” encounter (14 November 2004)
• Paul Hellyer's Toronto speech (“as real as the airplanes”) (25 September 2005)
• Alderney UFO sighting (23 April 2007)
• National Press Club panel on UFOs and aviation safety (12 November 2007)
• Japanese Cabinet written answer on unidentified flying objects (House of Councillors, 18 December 2007) (18 December 2007)
• Police helicopter near-collision with unidentified lights over Birmingham (Airprox 055/08) (2 May 2008)
• Ministry of Defence UFO files: release of 14 May 2008 (8 files) (14 May 2008)
• Soldiers' video of lights over Tern Hill barracks, Shropshire (7 June 2008)
• Harare International Airport object (2 July 2008)
• Ministry of Defence UFO correspondence files DEFE 24/1931 and DEFE 24/1942 (20 October 2008)
• Ministry of Defence UFO files: release of 20 October 2008 (19 files) (20 October 2008)
• Advanced Aerospace Threat Identification Program (2009)
• Advanced Aerospace Weapon System Applications Program (2009)
• Ministry of Defence UFO files: release of 17 August 2009 (14 files) (17 August 2009)
• The National Archives (UK): UFO files release, highlights guide (August 2009) (17 August 2009)
• Defense Intelligence Reference Documents (DIRDs) (December 2009)
• Warp Drive, Dark Energy, and the Manipulation of Extra Dimensions (April 2010)
• Hangzhou Xiaoshan Airport closure (7 July 2010)
• Baotou airport UFO diversion (September 2010)
• UFOs and Nukes press conference, National Press Club (27 September 2010)
• KONA BLUE (2011)
• Ministry of Defence UFO files: release of 3 March 2011 (35 files) (3 March 2011)
• Ministry of Defence UFO files: release of 11 August 2011 (34 files) (11 August 2011)
• CMRI decision on the Operação Prato records (Brazil, 2012) (2012)
• Langley AFB triangle (2012)
• Ministry of Defence UFO files: release of 12 July 2012 (25 files) (12 July 2012)
• Ladakh border luminous objects (Thakung / Pangong) (1 August 2012)
• U.S. military UAP reports across CENTCOM (2013–2025) (2013)
• Aguadilla “Puerto Rico object” (April 2013)
• Citizen Hearing on Disclosure (29 April 2013)
• The National Archives: guides to the Ministry of Defence UFO files (2008–2013) (June 2013)
• Ministry of Defence UFO files: release of 21 June 2013 (25 files) (21 June 2013)
• Chilean Navy helicopter video (11 November 2014)
• USS Theodore Roosevelt encounters (Gimbal / GoFast) (January 2015)
• Pantex nuclear weapons plant incursion (1 September 2015)
• Brandon Fugal acquires Skinwalker Ranch (2016)
• The New York Times reveals the Pentagon UFO program (16 December 2017)
• CEFAE annual report 2018 (Argentine Air Force), including the resolution of the Bariloche case (2018)
• Japanese Cabinet written answer on the government's view of unidentified flying objects (House of Representatives, 27 February 2018) (27 February 2018)
• National Archives of Australia: "Flying saucers – fact or fiction?" (2018) (28 February 2018)
• Atacama skeleton (“Ata”) genome study (22 March 2018)
• The National Reconnaissance Office at 50 Years: A Brief History (NRO, second edition, 2018) (July 2018)
• Mount Etna object (2018 drone video) (December 2018)
• Admiral Wilson memo begins circulating online (2019)
• Statement by the Department of Defense on the Release of Historical Navy Videos (April 27, 2020) (27 April 2020)
• Pentagon officially releases three Navy UAP videos (27 April 2020)
• Unidentified Aerial Phenomena Task Force (4 August 2020)
• Japan's Defense Ministry issues a UAP protocol to the Self-Defense Forces (14 September 2020)
• Press conference transcript: Japanese Defense Minister Taro Kono (September 15, 2020) (15 September 2020)
• U.S. military UAP reports in the AFRICOM area (2020–2025) (16 October 2020)
• Haim Eshed's “Galactic Federation” interview (2 December 2020)
• PLA researchers describe using AI to track rising UAP reports (June 2021)
• U.S. military UAP reports over East Asian seas (2021–2025) (9 June 2021)
• ODNI Preliminary Assessment: Unidentified Aerial Phenomena (25 June 2021)
• ODNI Preliminary Assessment on UAP (25 June 2021)
• Gulf of Oman AC-130 “cold orbs” (8 September 2021)
• Airborne Object Identification and Management Synchronization Group (November 2021)
• Karaganda Airport video (February 2022)
• DIA FOIA response FOIA-00159-2018: release of 37 AAWSAP DIRDs (March 25, 2022) (25 March 2022)
• David Grusch files his whistleblower complaint with the ICIG (May 2022)
• Hearing transcript: HPSCI open hearing on Unidentified Aerial Phenomena (May 17, 2022) (17 May 2022)
• HPSCI open hearing on Unidentified Aerial Phenomena (17 May 2022)
• MQ-9 “Middle East Object” (12 July 2022)
• Deputy Secretary of Defense memorandum: Establishment of the All-domain Anomaly Resolution Office (15 July 2022) (15 July 2022)
• All-domain Anomaly Resolution Office (15 July 2022)
• Eglin AFB "orb" and diamond formation (Florida, 2023) (26 January 2023)
• USS Jackson “tic-tac” formation (15 February 2023)
• AARO briefing slides to the Senate Armed Services subcommittee (19 April 2023) (19 April 2023)
• Hearing transcript: AARO mission, activities, oversight and budget (Senate Armed Services, April 19, 2023) (19 April 2023)
• Senate Armed Services Subcommittee hearing on AARO (19 April 2023)
• DOPSR case 22-SB-0151: prepublication clearance of Lacatski, Kelleher & Knapp's “Book 2” (April 24, 2023) (24 April 2023)
• Schumer–Rounds UAP Disclosure Act (UAPDA) (July 2023)
• David Fravor — written statement, House Oversight hearing (July 26, 2023) (26 July 2023)
• Ryan Graves — written testimony, House Oversight hearing (July 26, 2023) (26 July 2023)
• David Grusch — written opening statement, House Oversight hearing (July 26, 2023) (26 July 2023)
• Hearing transcript: UAP — Implications on National Security, Public Safety, and Government Transparency (House Oversight, July 26, 2023) (26 July 2023)
• UAP: Implications on National Security, Public Safety, and Government Transparency (26 July 2023)
• NASA Unidentified Anomalous Phenomena Independent Study Team report (2023) (14 September 2023)
• Fiscal Year 2023 Consolidated Annual Report on UAP (ODNI and DoD, October 2023) (October 2023)
• U.S. military UAP reports off Greece (2023–2024) (27 October 2023)
• Langley AFB drone incursions (December 2023)
• FY2024 NDAA UAP records provisions (22 December 2023)
• AARO Historical Record Report, Volume 1 (8 March 2024)
• Hearing transcript: Posture of U.S. Northern Command and U.S. Southern Command — Senate Armed Services Committee (March 14, 2024) (14 March 2024)
• Hearing transcript: Department of the Air Force FY2025 budget request — House Armed Services Committee (April 17, 2024) (17 April 2024)
• Photographic Analysis of the Calvine UFO Photograph (Sheffield Hallam University, 2024) (2 June 2024)
• Jon Kosloski named AARO director (26 August 2024)
• Yemen MQ-9 “Hellfire” orb video (30 October 2024)
• The United States Department of Defense and the Intelligence Community Are Withholding Information About Anomalous Phenomena From Congress (13 November 2024)
• Michael Shellenberger written testimony + appendices (13 November 2024)
• Hearing transcript: “Unidentified Anomalous Phenomena: Exposing the Truth” (13 November 2024)
• Unidentified Anomalous Phenomena: Exposing the Truth (13 November 2024)
• Fiscal Year 2024 Consolidated Annual Report on UAP (DoD / AARO, November 2024) (14 November 2024)
• AARO case slides for the Senate Armed Services subcommittee (19 November 2024) (19 November 2024)
• Senate Armed Services Subcommittee hearing with AARO Director (19 November 2024)
• Wright-Patterson AFB drone incursions (Ohio, 2024) (13 December 2024)
• Western U.S. military facility orb encounter (2025)
• AARO case resolution: "Go Fast" (2025) (6 February 2025)
• Congressional briefing: Understanding UAP — Science, National Security & Innovation (1 May 2025)
• George Knapp, written testimony to the House Task Force on the Declassification of Federal Secrets, 9 September 2025 (9 September 2025)
• Hearing transcript: Restoring Public Trust Through UAP Transparency and Whistleblower Protection (Sept 9, 2025) (9 September 2025)
• Restoring Public Trust Through UAP Transparency and Whistleblower Protection (9 September 2025)
• James Fox's Varginha press conference at the National Press Club (20 January 2026) (20 January 2026)
• PURSUE — Presidential Unsealing and Reporting System for UAP Encounters (19 February 2026)
• House Oversight Task Force letter requesting UAP videos from the Department of War (31 March 2026) (31 March 2026)
• PURSUE Release 01 (8 May 2026)
• PURSUE Release 02 (22 May 2026)
• Western U.S. national security site triangle sighting (June 2026)
• Capitol Hill UAP declassification press conference (9 June 2026)
• PURSUE Release 03 (12 June 2026)
• Disclosure Forum 2026 (25 June 2026)
• PURSUE Release 04 (10 July 2026)
• Fiscal Year 2025 Consolidated Annual Report on UAP (Department of War / AARO, July 2026) (20 July 2026)
• PURSUE Release 05 (7 August 2026)
• PURSUE Release 06 (18 September 2026)
• PURSUE Release 07: federal agents' triangle sighting and AAWSAP's working files (23 October 2026)
• Planned House Oversight UAP hearing (November 2026, not yet scheduled) (November 2026)