SIGHTING // TIMELINE_RECORD Light sighting reported in Gregory, USA Event date 2010 Jan 13 Location Gregory, MI, USA Country United States Record summary four lights in the sky. This timeline entry summarizes an external source. Follow the source link to review the underlying material and its context. Review primary source Open in interactive timeline Previous record Light sighting reported in Ackerman, USA Next record Light sighting reported in Troutdale (south of), USA