Kecksburg UFO incident, a purported Unidentified Flying Object incident in 1965 near Keckburg in Western Pennsylvania
It streaked over the Detroit, Michigan/Windsor, Ontario area, dropped metal debris over Michigan and northern Ohio, and caused sonic booms in Western Pennsylvania.
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A large bell-shaped metallic object was made by Unsolved Mysteries for their story on the incident.
Believed by some researchers to have crashed near Kecksburg, Pennsylvania on December 9, 1965, an event which became known as the "Kecksburg Incident" among UFO researchers.