The Caribou Historical Society and Museum presents the display "Service Clubs and Organizations" through July and August. All are invited to visit on Saturdays, 12-4 p.m. at 1033 Presque Isle […]

Annual chicken barbecue, hosted by Limestone-Caswell Historical Society, 11 a.m.-1 p.m. at the museum.

Presentation, "Agenda 21 to Agenda 2030: An Expose," by Hal Shurtleff, director and cofounder of Camp Constitution, 9 a.m. at Northeastland Hotel. Free admisison; donations accepted. FMI: (857) 498-1309.

Annual Color Presque Isle 5K, starting at 9 a.m. at Riverside Park. Proceeds benefit Wintergreen Arts Center. For more information and to register visit http://www.umpi.edu/colorpresqueisle5k/.

Crown of Maine Balloon Fest, based at the Northern Maine Fairgrounds. For full schedule, visit crownofmaineballonfest.org.

Presque Isle Farmers' Market, 8:30 a.m.-1 p.m. at the Aroostook Centre Mall parking lot.

Roast beef supper at the Southern Aroostook Agricultural Museum, 4:30-6 p.m. Cost: $9/person.