Damariscotta Historical Society: David Pope, 7 p.m., town office, 21 School St., Damariscotta

Bob Emmons taught at the State University of New York, an agricultural college, for 31 years. One of the courses he taught was plant pathology. He has a special interest in the potato famine, which was caused by a fungus. His ancestry is both Irish and English.

Presentation to take place in the Schooner Cove library. Schooner Cove Retirement Community, 35 Schooner Street, Damariscotta, (On the LincolnHealth – Miles Campus). (207) 563-5523. Free and open to the public.

NAMI support group, 6 p.m., St. Columba’s, 32 Emery Lane, Boothbay

Westport Island History Committee, 6:15 p.m., town hall

Dental Health & Aging w/ Dr. Toby Clarkson at Spectrum Generations at the Y  call 563-1363