Nottingham Castle. Nottingham Castle, a castle in Nottingham, England, is located in a commanding position on a natural promontory known as Castle Rock, with cliffs 130 feet high to the south and west.
   In the Middle Ages it was a major royal fortress and occasional royal residence. In decline by the 16th century, it was largely demolished in 1649.
   The Duke of Newcastle later built a mansion on the site, which was burnt down by rioters in 1831 and left as a ruin. It was later rebuilt to house an art gallery and museum, which remain in use.
   Little of the original castle survives, but sufficient portions remain to give an impression of the layout of the site. The first Norman castle on Castle Rock was a wooden structure of a motte-and-bailey design, begun in 1068, two years after the Battle of Hastings, on the orders of William the Conqueror.
   This wooden structure was replaced by a far more defensible stone castle during the reign of King Henry II, of an imposing and complex architectural design, which eventually comprised an upper bailey at the highest point of the castle rock, a middle bailey to the north containing the main royal apartments, and a large outer bailey to the east. For centuries the castle served as one of the most important in England for nobles and royalty alike. In a strategic position due to its location near a crossing of the River Trent, it was also known as a place of leisure
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