National UFO Reporting Center
Monthly Report Index For 04/1957
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Date / Time City State Shape Duration Summary Posted
4/10/57 Dublin (Ireland)
Disk
ireland: night of sputnik sighting 1/10/09
4/9/57 13:05 Lahore
Teardrop 3 seconds An object flew by at very high speed and high altitude (over 25,000feet). ((anonymous report)) 2/14/19