All Day

Three Bridges in Concert

Three Bridges gospel concert, 7 p.m., Littleton Baptist Church. Free admission; an offering will be received.

College Planning Workshop

Houlton

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

Caribou Days Kickoff

Caribou

Caribou Days kickoff celebration with music by Star City Syndicate. Mascoto's outdoor cafe.