Holy Trinity Church of Cambridge, MA, will hold its Trinity Annual Picnic on Sunday, Sep. 15, 12-5 p.m., on the church grounds and cultural hall (145 Brattle St., Cambridge). Food, fun, and fellowship for all, with Armenian food, music, children’s activities, raffle, and more. Blessing of the madagh at 4 p.m. For information, call the church office at (617) 354-0632, or e-mail office@htaac.org,or view the listing on the parish website.