Every entry states what the evidence shows, who said what, and what remains unknown. The label on each case is our reasoning, shown so you can disagree with it.
Classification
9 cases
Two F/A-18F crews were vectored to an object detected by a cruiser's radar. The Pentagon later confirmed the infrared video that came out of the encounter was genuine Navy footage.
Pacific Ocean, off southern California, United States · 14 November 2004
Thousands of people reported lights over Arizona on a single evening. The later set was identified as military flares. The earlier formation was not.
Phoenix and across Arizona, United States · 13 March 1997
Three young women said they saw an unfamiliar figure in a vacant lot. Claims of a military recovery operation followed, and Brazilian authorities have never confirmed one took place.
Varginha, Minas Gerais, Brazil · 20 January 1996
Dozens of pupils at a school outside Harare said they saw a craft land near the playground. They were interviewed within days, on camera, by researchers including a Harvard psychiatrist.
Ariel School, Ruwa, Zimbabwe · 16 September 1994
A photograph of a black triangle with four lights became the emblem of the Belgian wave. Two decades later the photographer said he had made it with polystyrene and paint.
Petit-Rechain, Liège, Belgium · 4 April 1990
A gardener reported an object landing briefly in his field. The French space agency's UAP unit collected soil and plant samples the next day and its file remains open and unexplained.
Trans-en-Provence, Var, France · 8 January 1981
Airmen stationed at two US bases in Suffolk reported lights and a structured object in the forest between them. A deputy base commander's memo to the Ministry of Defence survives as an official record.
Rendlesham Forest, Suffolk, United Kingdom · 26 December 1980
Two F-4 crews were sent up after reports of a bright object over the capital. A US Defense Intelligence Agency report describing the night was later declassified.
Tehran, Iran · 19 September 1976
Around two hundred people at Westall High School said they watched an object descend near the school grounds in daylight. No official investigation file has ever been produced.
Westall, Melbourne, Victoria, Australia · 6 April 1966