Anti-Rent War Voices Echoing Through the Helleberghs. Watch descendants of the participants in this historically important rebellion portray their own ancestors. Bring a tin horn and join the Calico Indians in their warning calls. Reading theatre by Paula Shafer Sisson at 2 p.m.  in the lower level of the Knox Town Hall.   You may want to bring a pillow as the chairs are hard.  Visit www.eventbrite.com, “Knox in the Anti-Rent Wars” for reservations.  A period-appropriate lunch will be served on the lawn of the Knox Museum from noon to 1 p.m. at 2190 Berne Altamont Rd, Knox, 12009 (bring a blanket or lawn chairs).  Free will donations. (518) 618-5376.