Crown of Maine Balloon Fest - Opening ceremonies for the 2018 Balloon Festival. Events daily August 23-26. Visit www.crownofmaineballoonfest.org for full list of events.

Free workshop, Essentials of College Planning, at Houlton Higher Education Center, 9 a.m. and again at 12 p.m.

Red Cross blood drive, 12-6 p.m. Caribou Inn and Convention Center. Download Red Cross Blood Donor app, visit redcrossblood.org or call 800-RED CROSS to make an appointment.

Salmon Brook Historical Society meeting, 6 p.m. at home of Bill and Carol White, Cross Road. Potluck supper followed by business meeting. Bring dish to share and place setting; all […]

Knitting workshop with Vicky Larrabee at the Caribou Public Library's Caribou Room, 5:30-7 p.m. No experience necessary.

Knitting/Crocheting Club at the Robert A. Frost Memorial Library, 6 p.m. Bring a project to work on. Teachers available for those who want to learn.

Senior gatherings at the Putnam House 48 Court St. Houlton, Tuesdays and Thursdays, 9-3 p.m. Games, homemade snacks, coffee and socializing.

Southern Aroostook Agricultural Museum open for tours Thursdays, Fridays and Saturdays, 1-4 p.m., through Labor Day. $5/person. FMI: 694-5534 or 538-0050.

National Active and Retired Federal Employees annual picnic, 11:30 a.m. at American Legion post home. Steak will be served. All Aroostook County federal employees are welcome.