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A Brazilian farmer described being taken aboard a craft and encountering a humanoid occupant; the case remains a foundational and disputed early abduction claim.
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Dozens of Zimbabwean schoolchildren independently described witnessing a landed craft and humanoid beings during a school break.
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A New Hampshire couple's account, partly recovered under hypnosis, became the first widely publicized alien-abduction case in the US.
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Welsh schoolchildren reported a landed, cigar-shaped object near their school, part of a wider wave of local sightings.
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Three Texas motorists reported severe radiation-like burns after encountering a diamond-shaped object escorted by helicopters.
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United Airlines employees reported a saucer-shaped object hovering over a gate before shooting upward, punching a hole in low clouds.
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The Chilean Navy released infrared footage of an unidentified aerial object, one of the few instances of a government affirming a case as genuinely unexplained.
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Two airline pilots reported a close pass by a cigar-shaped object with windows near Alabama.
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Brazilian Air Force investigated reported light-beam 'attacks' on residents of an Amazon island; part of the resulting report remains classified.
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Multiple witnesses in New Hampshire reported a large pulsating object; investigated directly by the Air Force's Project Blue Book.
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A Canadian prospector, Stefan Michalak, reported burns after encountering a landed, disc-shaped object in Manitoba.
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An Anglican priest and dozens of witnesses reported a detailed, extended observation of a craft with humanoid figures over Papua New Guinea.
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Residents reported a fireball and acorn-shaped object crashing in Pennsylvania woods, with an alleged but never officially confirmed military recovery.
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A rural Kentucky family reported besieging small metallic creatures around their farmhouse for hours.
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Pilot's 1947 sighting of nine fast-moving objects near Mt. Rainier that coined the term 'flying saucer'.
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Security personnel reported physical encounters with landed objects at the nuclear weapons storage area.
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Airmen reported nuclear missile systems going offline coinciding with a UFO sighting near the Montana missile base.
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An amateur film of two bright objects over Montana became one of the earliest UFO films subjected to formal analysis.
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Navy pilots including David Fravor intercepted the 'Tic Tac' object during training exercises off California, later confirmed authentic by the Pentagon.
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Charles Hickson and Calvin Parker reported being taken aboard a craft by claw-handed beings while fishing in Mississippi.
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USAF reconnaissance aircraft crew tracked an object simultaneously on radar, visually, and via electronic countermeasures gear across several states.
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USAF personnel at RAF Bentwaters reported landed lights and radiation readings in nearby woods over several nights, documented in the Halt Memo.
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Multiple witnesses and a Canadian military/RCMP response followed reports of an object crashing into a Nova Scotia harbour.
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Police officer Lonnie Zamora reported a landed, egg-shaped craft and humanoid figures near Socorro, New Mexico; still considered one of the best-documented unexplained cases.
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Iranian Air Force jets reported instrument failures while pursuing a bright object over Tehran, an encounter detailed in a declassified DIA report.
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A French farmer reported a landed disc that left physical ground traces later studied by France's official GEPAN agency.
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Multiple Navy pilots reported near-daily encounters with fast-moving objects off the US East Coast, prompting internal Navy airspace-safety reports.
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A Minnesota deputy sheriff reported his patrol car was struck by a light source, cracking a windshield and stopping his watch and dashboard clock.
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Australian pilot Frederick Valentich vanished after reporting a UFO was following his plane over the Bass Strait; no wreckage was ever found.
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Hundreds of students and teachers at an Australian school reportedly witnessed an object land in a nearby field before departing.
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Multiple independent witnesses, including pilots, reported a large light formation over Canada's Yukon Territory.