DATEBOOK

 The MOMS Club of Hamilton holds a weekly playgroup from 10 a.m. to noon every Wednesday. The group offers support for at-home mothers and opportunities for socializing. For more information about the playgroup and the MOMS’ other activities, email hamiltonmomsclub@gmail.com.

 The Villagers of Allentown will present “The Jersey Tomato” by Judith Krall- Russo at 10 a.m. March 25 at the Allentown First Aid Squad, 70 Waker Ave., Allentown. The program is free and open to the public. Discover where the tomato originated and why it is one of New Jersey’s favorite crops. Learn about New Jersey’s tomato-packing industry. Krall-Russo is a food historian who has written for several food publications. For more information about the March 25 event, contact Elizabeth Dey at 609-259-3079.

 Dr. Jamie Sklarski, Northeast Regional Cochlear Implant Consumer Specialist for Advanced Bionics, will describe the latest advances and enhancements in cochlear-implant listening technology at the next meeting of the Ocean-Monmouth Hearing Loss Support Group on March 1 at 1:30 p.m. at the Monmouth County Library Headquarters, Symmes Road, Manalapan. Meetings of the group are open to the public. Details: 732-657-1561.

 The Essential Tremor Support Group meets from 7-9 p.m. on the first Thursday of each month (March 5) at the Jack Aaronson Conference Center at CentraState Medical Center, Freehold Township. Details: 732-462-8304, after 10 a.m.

 Joan Ruddiman will share the history of the Allentown Public Library at 2 p.m. March 8 at the library, 16 S. Main St., Allentown. The library is celebrating a milestone in 2015 — the 50th year of the incorporation of the Allentown Public Library Association, but the library’s story goes back much further than the middle of the 20th century. RSVP to the library by March 1 at 609-259-7565.

 The Brandeis National Committee (BNC)’s Tri-County chapter will present “Revolutionary Tea: An Eighteenth Century Experience” with guest speaker Stacy Roth at the Robbinsville Library, Robbinsville, at 2 p.m. March 17. BNC Tri-County is a nonsectarian organization; its members need not be graduates of Brandeis University. Details: 609-208-2126.