Aquidneck Island
[11] Colonists settled on Aquidneck Island in 1638 in the region that the Narragansetts called "Pocasset" (meaning "where the stream widens"), the northern part of Portsmouth.They engaged Roger Williams to negotiate the terms of their settlement of the island from the Narragansett sachems Canonicus and Miantonomi.However, as Roger Williams made clear in a June 1638 letter to Puritan lawyer John Winthrop, one of the leading figures in founding the Massachusetts Bay Colony: "Sir, concerning the islands Prudence and...Aquedenick ...neither of them were sold properly, for a thousand fathom would not have bought either, by strangers.The Continental Army under command of Major General John Sullivan attempted to drive them out in the Battle of Rhode Island on August 29, 1778, but without success.The west coast of Aquidneck Island is part of Naval Station Newport, a superfund site since 1989.The Navy has been rehabilitating the property following contamination from petroleum, heavy metals, including lead and arsenic, and polychlorinated biphenyls (PCBs) where there were electrical transformers.