Question: What did residents claim to encounter one evening in 1955 on US 41 at Kelly, Kentucky, leading to an annual festival of Little Green Men?
Sentence (from "Kelly–Hopkinsville encounter"): The Kelly–Hopkinsville encounter (a.k.a. Hopkinsville Goblins Case, Kelly Green Men Case) was a claimed close encounter with extraterrestrial beings in 1955 near Kelly and Hopkinsville in Christian County, Kentucky, United States.
Relevant evidence: No