Lisbon is a town in Androscoggin County, incorporated on June 22, 1799 as Thompsonborough from a portion of Little River Plantation. Its name was changed to Lisbon in 1802, followed by the annexation of the remains of Little River Plantation in 1806.
Until it settled its modern boundaries in 1863, it annexed land from Bowdoinham and swapped land with Webster (now Sabattus). The division between Lisbon and Topsham (as well as between Androscoggin and Sagadahoc counties at this point) is defined by the Little River, which flows south into the Androscoggin River.
A mill town harnessing the power of the Androscoggin River in the villages of Lisbon and Lisbon Falls through through most of the 20 century, its economy has turned more toward services and light industry as the mills have closed.
