In which year was the Saxon Shore Fort at grid reference [ TQ645047] built?
Anderitum: Anderitum (also "Anderida" or "Anderidos") was a Saxon Shore fort in the Roman province of Britannia. Anderitum:  Its remains are located at grid reference [ TQ645047] in eastern Pevensey in the English county of East Sussex and the site was later converted into a medieval castle known as Pevensey Castle. Pevensey Castle:  Built around 290 AD and known to the Romans as "Anderitum", the fort appears to have been the base for a fleet called the "Classis Anderidaensis".
290 AD