Cases: Timeline

1942 Battle over Los Angeles A giant UFO hovered over Los Angeles, witnessed by hundreds of observers. Anti-aircraft batteries fired at the craft.
1947 Kenneth Arnold sighting The beginning of the modern UFO era: a pilot saw nine UFOs.
1947 Roswell crash Debris of UFO recovered. Army press release says "flying disk".
1948 Mantell crash Captain Thomas Mantell died when chasing a UFO.
1948 Chiles - Whitted encounter Airliner had near miss with cylindrical UFO.
1952 White House UFO Incident A flood of UFO reports flying over Washington D.C. were also picked up on radar. Jets were ordered to intercept.
1954 Tananarive Thousands of witnesses see UFO over capital of Madagascar. Physical phenomena were observed.
1956 Bentwaters - Lakenheath Radar and visual UFO sigthings in the UK over five hours.
1957 Levelland case Fifteen independant reports of engine and lights failure caused by UFO.
1958 Trindade island Photos of UFO given to the press by the President of Brazil.
1959 Redmond incident Policeman observed a large UFO, seen also by FAA personal, tracked on radar, and chased by USAF jet fighters.
1959 Boianai sightings A nearby UFO with 4 "men" on top of it was seen by 38 people.
1964 Big Sur UFO shoots down ICBM.
1964 Socorro landing Police officer saw a UFO land. Two small humanlike beings.
1965 Exeter incident Multiple witness UFO in Exeter.
1965 Kecksburg Crash On December 9, 1965, a UFO crashed in a field.
1966 Portland UFO Chase Sheriff deputies chase a UFO for 86 miles.
1966 Westall Encounter Australian students and teachers witnessed a UFO.
1967 Malmstrom AFB Incident UFO shuts down nuclear missiles.
1967 Falcon Lake Witness is severely burnt by UFO.
1967 Flying Cross Policemen see cross shaped UFO's over UK.
1973 Pascagoula Abduction Abduction at the Pascagoula River.
1973 Coyne Helicopter Case Near midair collision between a helicopter and a UFO.
1976 Dog-fight over Tehran UFO jams communications and weapons systems.
1976 Canary Islands Sphere Thousands of witnesses see large luminous UFO over the Canary Islands.
1977 Colares UFO flap UFO's rays burn Brazilian citizens.
1978 Kuwait UFO Landing UFO lands in Kuwait and shuts down oil pumping station.
1980 Rendlesham Forest Unexplained lights and the landing of a craft of unknown origin in Rendlesham Forest, England, just outside RAF station Woodbridge.
1980 Cash Landrum case Encounter with flaming diamond shaped UFO.
1982 Hudson Valley UFOs UFO researchers estimate that over 5000 people had seen a triangular UFO over a period of five years from 1982 through 1986.
1984 Indian Point reactor UFO hovers over an active nuclear reactor.
1986 Japan Airlines flight 1628 JAL cargo flight encounters UFOs.
1986 Brazil's Night of UFOs More than 20 flying spheres. Visual and radar.
1987 Gulf Breeze Sightings UFO wave with photographs and videos.
1989 Belgian Wave From November 1989 until 1991, a wave of UFO sightings struck Belgium. There were over 2000 testimonies. The Belgian UFO investigation group SOBEPS collaborated with the Belgian Air Force.
1993 Cosford Incident During the last two days of March 1993, there were mass sightings of triangular UFOs in the United Kingdom.
1995 America West Airlines Case Airliner encountered large cylinder shaped UFO.
1997 Phoenix Lights Black triangles and V-shaped objects containing lights, were seen over Phoenix by thousands of people.
2000 Illinois Triangle Illinois police officers observe huge triangular UFO.
2004 Nimitz Tic Tac Navy pilots see "tic tac" shaped UFO
2006 O' Hare International Airport Twelve United Airlines employees spot a UFO.
2008 Stephenville Lights A mass UFO sighting, also detected on radar.