Fort Nieuw-Amsterdam
Fort Nieuw-Amsterdam is a fort in Suriname built from 1734 to 1747 at the confluence of the Suriname and Commewijne rivers. It is open to the public as an open-air museum. History. The necessity of improving the fortifications of the colony of Suriname was underscored when French buccaneers under the leadership of Jacques Cassard attacked the colony in 1712. Fort Sommelsdijk, which was situated further upstream the Commewijne River at its confluence with the Cottica River was fortified for this purpose in 1715, but it was clear something more substantial needed to be done to  defend the colony against foreign attacks. It was eventually decided to build a new fort at the confluence of the Suriname and Commewijne rivers. When Fort Nieuw-Amsterdam was completed in 1747, Fort Sommelsdijk was downgraded to a military outpost. Between 1863 and 1967, the fort was used as a prison. It is the location of the decommissioned lightvessel "Suriname-Rivier", which is permanently moored in a wet dock inside the fort.