September 1, 1897: Boston Opens America's 1st Subway
September 1, 1897: The Tremont Street Subway opens in Boston. It is the 1st subway system in America. This original line consisted of a main line under Tremont Street that terminated at Park Street in downtown Boston, and two forks to the south. One of these was the Pheasant Street Incline, heading to Pheasant Street in the South End, and remained in operation until 1961. The other remains in operation today, veering westward along Boylston Street, and eventually extended to lines labeled B, C, D and E, serving as the Green Line when the system was rebranded from the Metropolitan Transit Authority (MTA, made famous in folk song) to the Massachusetts Bay Transportation Authority (MBTA, or just "T") in 1964. In the opposite direction, the line headed for Scollay Square (now Government Center), North Station, Science Park, and over the Charles River into Cambridge, at Lechmere. This line is currently being extended to Medford and Tufts University, and the MBTA is hoping to open...