30 June
1950
(Federal Bureau of Investigation, Washington, D.C.)
Source: The UFO Chronicles, 26 December 2014
Quote from the document:
“DIRECTOR FBI URGENT
FLYING DISCS. AT FIVE FORTYFIVE PM, JUNE TWENTYNINTH
LAST, AN OBJECT IN SKY WAS OBSERVED BY MANY CITIZENS
OF PHOENIX INCLUDING FBI PERSONNEL. … ESTIMATED SIZE
OF OBJECT TO BE VERY LARGE, …”
(wikimedia.org image)