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
Dungannon Castle walls of the castle. Dungannon Castle Dungannon Castle was a castle at Dungannon, County Tyrone, Northern Ireland. In 1305 a castle was built there by Domnall O'Neill, on what is today known as Castle Hill, one of the highest points in the area, which dominated the surrounding countryside with the ability to see seven counties depending on the weather. During the 15th century a tower house was known to have been constructed upon the site. Conn Mor O'Niell was in residence during 1483, and in 1559 Shane O'Neill burnt the castle to prevent use by English forces. The O'Donnells demolished