 Stars, stripes, and summer nights. It's the 122nd Pennington County Fair, July 17th through the 21st in Thief River Falls. Tuesday, July 16th is 4-H Entry Day. Wednesday, the 17th, open class entries. Amusement Attractions opens on the Midway at 5 p.m. The Fair Parade at 7 and the Fireworks Extravaganza at dusk.