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
Shrule Castle (County Mayo) Burghs of Mayo and McDonnells of Mayo led a force to retake the castle however the castle was not retaken. The chief of the McDonnells of Knocknacloy Calvagh McDonnell was killed on 18 June 1570 and during the battle Edward Fitton was unhorsed and severely wounded in the face. William Burke occupied the castle, and passed to his son John Burke in 1574 and in 1610, Richard Burke, 4th Earl of Clanricarde leased the castle and lands to Pierce Lynch of Galway. Shrule Castle (County Mayo) Shrule Castle (, ) is a ruined tower castle near Shrule in County Mayo,