CASTINE — The community is invited join the Castine Historical Society and the Adams School at the society’s Mitchell Room on Monday, May 20, to observe middle school students test their knowledge of local history in the Castine semifinals for the regional Maja Trivia game.

ACADIA NAT'L PARK — Volunteers from the Atlantic Oceanside, Bar Harbor Inn, Bar Harbor Chamber of Commerce, Acadia Corporation and Friends of Acadia joined forces on Friday to do a spring cleanup of trash along the Cadillac Mountain Road in Acadia National Park.

BAR HARBOR — Individuals age 18 and over are invited to participate in MDI YMCA water fitness classes. Running through June 8, there are three pool exercise classes offered.

BAR HARBOR — A new half marathon organized by the MDI YMCA is scheduled to take participants through parts of Acadia National Park on June 2.

BAR HARBOR — The League of Underwater Superheroes hosts a variety of diving events, including underwater hockey at the MDI YMCA every Thursday beginning at 7 p.m.

AUGUSTA — Proposals on how to study the effects of fishing bait are being requested by the Maine Department of Marine Resources.

BAR HARBOR — The all-star lineup of Darol Anger, Joe Walsh, Grant Gordy, and Corey DiMario will perform a one-time only concert at College of the Atlantic’s Gates Community Center on May 12 at 5 p.m.

BAR HARBOR — Two town councilors will run for reelection this spring in uncontested races. Incumbent councilors Paul Paradis and David Bowden returned all necessary items by the filing deadline. Resident Andrew Keblinsky had taken out papers but they were not returned by the deadline, leaving him out of the race.

ACADIA NAT’L PARK — If the 912 people who used the car-free section of the Loop Road last weekend are any indication, the Bike Acadia Month has been successful.

BAR HARBOR — Town councilors Tuesday unanimously approved a draft order introducing two zoning changes to the November town meeting ballot.