New Castle County, Delaware On November 6, 1674, New Amstel was made dependent on New York Colony, and was renamed New Castle on November 11, 1674. On September 22, 1676, New Castle County was formally placed under the Duke of York's laws. It gained land from Upland County on November 12, 1678. On June 21, 1680, St. Jones County was carved from New Castle County. It is known today as Kent County, Delaware. On August 24, 1682, New Castle County, along with the rest of the surrounding land, was transferred from the Colony of New York to the possession of William Penn, who established
Hadleigh Castle is still surrounded by the 19th-century Salvation Army farm, and beyond that by Hadleigh Country Park, owned and managed by Essex County Council and a Site of Special Scientific Interest with special regard for invertebrates. In 2008, Hadleigh Farm, close to the castle, was announced as the venue for the mountain biking competition in the 2012 Summer Olympic Games. Hadleigh Castle Hadleigh Castle is a ruined fortification in the English county of Essex, overlooking the Thames Estuary from south of the town of Hadleigh. Built after 1215 during the reign of Henry III by Hubert de Burgh, the castle was