All ages Saturday, May 30, at 2:30 p.m.: Japanese Taiko Drumming with Ryu Shu Kan at Holy Trinity Episcopal Church, 768 Main St., Greenport. Sponsored by CAST as part of Greenport Cherry Blossom Festival. Free. Register: taikodrumming.givesmart.com Saturday, June 6, 10 a.m.-3 p.m.: Family History Day 1776 on the Village Green in Cutchogue, hosted by....