Case file · Sighting
Michigan airship wave begins at Alma
Michigan's airship wave began with a report from Alma on 10 April 1897; the next night sightings came from Benton Harbor, Holland, Niles and Mendon, and they peaked around 15 April.
1897 CE · 43.38, -84.66 · status: disputed
The sceptical view
Robert Bartholomew, who studied the Michigan reports, treats them as a case of collective behaviour fed by the press.
Connections in the atlas
- Five hundred witnesses at Evanston
- The fallen wheel of Battle Creek
- Airship along the Lake Michigan shore
- Mystery airship wave