EVENTS

Naval Ships Postal History Show — 8 a.m.-4 p.m., Best Western Olympic Inn,

360 Route 12, Groton; featuring envelopes commemorating keel layings, boat launchings, and other important naval moments; free; obiehill@tvcconnect.net.

Benefit Cider Ride — 9:30 a.m., Treasure Hill Farm Equestrian Center, 523 Old Colchester Road, Salem; trails for walkers and riders, lunch, cider and raffles to benefit Manes and Motions Therapeutic Riding Center; $40 for riders, $20 for walkers, $10 for walkers under age 12; (860) 832-6217. Yantic Cemetery Civil War Tour — 10 a.m., Yantic Cemetery, 68 Lafayette St., Norwich; Vic Butsch talks about the role of Norwich in the Civil War; part of Walktober; free; (860) 886-1776.

Quarry Loop Hike — 10 a.m., 1425 Gold Star Highway, Groton; walk through the state’s newest pitch pine preserve; registration required; part of Walktober; free; (860) 536-9811. UConn Avery Point 50th Birthday — 11 a.m.-4 p.m., University of Connecticut at Avery Point, 1082 Shennecossett Road, Groton; festival with educational activities, live music and local food vendors; 50years. averypoint.uconn.edu.

A Grace Full Village — noon, Grace Episcopal Church, 4 Chapel Hill Road, Yantic; tour of the historic church; part of Walktober; free; (860) 887-2082. CROP Hunger Walk — 12:30 p.m., Gales Ferry United Methodist Church, 10 Chapman Lane; walk to raise money to fight hunger; crophungerwalk.org.

CROP Hunger Walk — 1 p.m., St. Mark Episcopal Church, 15 Pearl St., Mystic; Mystic Area Ecumenical Council walk to raise money to fight hunger; crophungerwalk. org.

Notables of Yantic Cemetery — 1 p.m., Yantic Cemetery, 68 Lafayette St., Norwich; Melodye Whatley tells the tales of historic members of the cemetery; part of Walktober; free; (860) 886-1776.

Maker Meet-up — 1 p.m., Bill Library, 718 Colonel Ledyard Highway, Ledyard; freeform cross stitch class; materials provided, but bring an embroidery hoop if possible; free; registration required; (860) 464-9912.

Peter Zheutlin — 2 p.m., Bank Square Books, 53 West Main St., Mystic; author talk with Zheutlin and the Connecticut Humane Society about his book “Rescued”; free; (860) 536-3795. On Tap: Beer, Bach and More — 5-7 p.m., Jealous Monk, 27 Coogan Blvd., Mystic; music, hors d’oeuvres and cocktails to benefit the Connecticut Early Music Society; $75; ctearlymusic.org.