Cases and themes
Reports of large triangular craft, from the Belgian wave to the Illinois police sightings. 10 events, newest first.
Select any year above to see what happened that year.
Open Triangle sightings as a timeline
Government1 Dec 2023
AARO added its first case resolution reports to aaro.mil, covering cases labeled Atmospheric Wake, Southeast Asia Triangles and Western United States, with imagery. Later reports found no anomalous behavior in other cases, including the GoFast video and a 2013 Puerto Rico infrared video.
Photo: U. S. Department of Defense, All-domain Anomaly Resolution Office, Public domain
Skinwalker Ranch6 Jun 2023
History launched Beyond Skinwalker Ranch, a spin-off in which owner Brandon Fugal, Travis Taylor, Erik Bard and others investigate reported phenomena at other U.S. sites, including Bradshaw Ranch in Arizona and the Bridgewater Triangle in Massachusetts.
Photo: US Army, Public domain
Government17 May 2022
At the House Intelligence subcommittee's UAP hearing, Deputy Director of Naval Intelligence Scott Bray said triangle-shaped objects filmed by Navy crews were likely small drones, their shape an effect of light passing through night-vision goggles onto an SLR camera.
Photo: U.S. House Permanent Select Committee on Intelligence, Public domain
Government18 Feb 2010
The UK National Archives released 24 Ministry of Defence UFO files, over 6,000 pages covering 1994 to 2000. Highlights reported included a 1952 Churchill memo asking about flying saucers and a 1997 triangle report near Michael Howard's Folkestone home, which the MoD found no evidence for.
Photo: Christopher Hilton, CC BY-SA 2.0
Close encountersSep 2009
As Yukio Hatoyama prepared to become Japan's prime minister, wide press coverage noted that his wife Miyuki had written in a 2008 book that her soul rode a triangular UFO to Venus while she slept. She said a former husband had called it a dream.
Photo: Lawrence Jackson, White House photographer, Public domain
Sightings21 Aug 2004
Residents of suburban Tinley Park, Illinois, reported three silent red lights hovering in a triangle for up to half an hour, with similar reports on later nights including Halloween 2004. A resident filmed them; suggested explanations include flares or balloons, and no official cause was given.
Photo: Zarka Khalid, CC BY-SA 4.0
Sightings5 Jan 2000
Before dawn, a Highland business owner and police officers in Lebanon, Shiloh, Millstadt and Dupo, Illinois, reported a large, low, slow object with bright lights, which some described as triangular. The FAA suggested an advertising blimp; witnesses and some researchers dispute that.
Photo: Xing979 at English Wikipedia, Public domain
Sightings1990
A photo said to show a lighted triangle over Petit-Rechain became the best-known image of the Belgian wave and was analyzed by the Royal Military Academy and others. Its author later admitted it was a hoax.
Photo: J.S. Henrardi, Public domain
Sightings29 Nov 1989
Gendarme patrols near Eupen reported large, silent triangular objects with bright lights, starting months of similar reports across Belgium. On the night of 30-31 March 1990 the Belgian Air Force scrambled two F-16s after a radar contact; the pilots saw nothing and the object was never identified.
Photo: Ronnie Macdonald from Chelmsford, United Kingdom, CC BY 2.0
Sightings1977
Through 1977, residents around Broad Haven and Little Haven in Pembrokeshire reported lights, craft and silver-suited figures, a flap the press called the Dyfed or Broad Haven Triangle. MoD files show an RAF Brawdy officer checked a hotelier's report; a local man later admitted a silver-suit prank.
Photo: Celuici, CC0
