The Milk Row Cemetery in Somerville has what is believed to be the oldest monumet dedicated to our nations Civil War soldiers. The cemetery is located at 400 Somerville Ave near Market Basket. For more information on the monument and the cemetery check out these up coming events. On Oct. 21 & Nov. 18th from 1:00-4:00 PM historic reenactors will lead tours of the cemetery. This is a free event.
http://historicsomerville.org/open_cemetery_tours_at_the_milk_row_cemetery
On Oct. 28th from 12:30-3:30 "GHOSTS OF SOMERVILLE" will be held with more costumed reenactors. This event does have a $5.00 charge.
http://historicsomerville.org/calendar_of_upcoming_events
Here are some images of the monument.