Strawberry festival: The Holbrook Historical Society will host a Strawberry Festival Saturday from 1 to 4 p.m. at the society’s office at the Old Roberts School, 320 Union St. (Route 139). The festival will feature homemade strawberry shortcake and ice cream. Attendees will be able to look over historical artifacts, including old photographs of Holbrook, town records and reports, and cemetery information. 781-767-3163.
Historical lecture: The Norton Public Library will host historian and lecturer Gary Hylander, who will speak about the Panama Canal, at 10:30 a.m. Thursday in the Community Room. In the early 20th century, President Theodore Roosevelt signed a diplomatic treaty that effectively opened the way for the construction of the Panama Canal. www.nortonlibrary.org.
Farmers market: The South Shore Natural Science Center in Norwell opens its new Norwell Farmers Market beginning June 23 from 12 to 4 p.m. The market will be held weekly (rain or shine) on Sundays through Oct. 13. Opening day will feature music by the band Ragweed, as well as free children’s activities and face painting. The South Shore Natural Science Center is located at 48 Jacobs Lane in Norwell. Free parking. southshorenaturalsciencecenter.org.
River watch volunteering: Spend a few hours experiencing the rivers and helping your watershed by signing up for one of the North & South Rivers Watershed Association’s summer water-quality sampling programs. The NSRWA’s 20th annual River Watch monitoring program will start with a training session for new volunteers Monday at 9 a.m. at the NSRWA office at 214 South St., Norwell. For more information, call Paula Christie at 781-659-8168 or e-mail paula@ nsrwa.org.
Antiques appraisals: Kelley Auctions of Holbrook will perform appraisals at the Turner Free Library Thursday from 2 to 4 p.m. Appraisal fees are $10 for one item, $25 for three. All proceeds benefit library programming. Reservations preferred for convenience. Contact Beverly Cohen at 781-963-7455 or firstname.lastname@example.org, or Ellie Nagle at 781-986-4829 or email@example.com to reserve a spot.Send items to Globe South, Boston Globe, Box 55819, Boston, MA 02205, or firstname.lastname@example.org.