HMNB Chatham
Coordinates: 51°23′50″N 00°31′40″E / 51.39722°N 0.52778°E
Chatham Dockyard was a Royal Navy Dockyard located on the River Medway in Kent. Established in Chatham in the mid-16th century, the dockyard subsequently expanded into neighbouring Gillingham (at its most extensive, in the early 20th century, two-thirds of the dockyard lay in Gillingham, one-third in Chatham).
It came into existence at the time when, following the Reformation, relations with the Catholic countries of Europe had worsened, leading to a requirement for additional defences. For 414 years Chatham Royal Dockyard provided over 500 ships for the Royal Navy, and was at the forefront of shipbuilding, industrial and architectural technology. At its height, it employed over 10,000 skilled artisans and covered 400 acres (1.6 km²). Chatham dockyard closed in 1984, and 84 acres (340,000 m2) of the Georgian dockyard is now managed as a visitor attraction by the Chatham Historic Dockyard Trust.
The Treasurer of the Navy's accounts of the King's Exchequer for the year 1544 identifies Deptford as the Dockyard that carried out all the major repairs to the King's Ships that year. That was soon to change (although Deptford remained a dockyard for over three centuries).
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