Free workshop, Creating Winning Resumes, 9 a.m. at the Presque Isle CareerCenter. FMI: 760-6300 or 1 (800) 635-0357.

Movie in the Park, starting at dusk at Riverside Park near the Pavilion, showing "Middle School: The Worst Years of My Life." Free. Bring snacks, drinks, blankets, etc. Popcorn provided.

Seminar on applications of UAVs/drones and LiDAR in agriculture and forestry, 8 a.m.-4:30 p.m. at UMPI. FMI: chunzeng.wang@maine.edu or joseph.young@maine.gov.

Yard and bake sale sponsored by Oakfield Baptist Church Youth Group, 9 a.m.-3 p.m. Proceeds will send youth to Bible camp.

Teen Night Mystery Box with game master Christa Galipeau, 6:30-8:30 p.m. at Wintergreen Arts Center. Pizza and prizes; $15/person. To preregister call Amy Joy Berube, 227-8568.

Riverside Public Market, 11 a.m.-3 p.m., at the Pavilion.

Annual Midsommar Festival, featuring events such as a local art show, quilt show, the New Sweden Adult Dancers, a showing of Brenda Jepson's film "Stan's A Jewel in the Crown […]

Ribbon cutting ceremony at Pines Dental, 1 p.m., hosted by Central Aroostook Chamber of Commerce.