"MID-NIGHTER" Flea Market will be June 19, 2021 Tickets are available for purchase at the gate! Our annual Belvidere "MID-NIGHTER" Flea Market will be June 19, 2021. 3pm to Midnight at the Boone County Fairgrounds, Belvidere, IL! BELVLIDERE, ILLINOIS. It’s MOON-LITE Madness, on Saturday June 19, 2021 from 3PM TO MIDNIGHT AT THE Boone County […]