Pevensey Castle, Sussex

1066, a date well known to generations of schoolchildren in the UK, at least you have to hope so.  It is the date when William the conqueror invaded Britain by landing in Sussex,  found Pevensey Castle unoccupied and Pevensey Bay a safe haven for his fleet.

The site was originally a fort built by the Romans, but after the invasion William the Conqueror gave it to his half-brother who built a keep and bailey inside the fort walls.  It withstood several sieges over time but finally fell into ruin at the end of the 14th century.  Because of its great defensive position, though, it was occupied on and off during wars: in 1588 during the threat of the Spanish Armada, and during World War II American and Canadian troops were stationed there.  The latter may seem bizarre but the walls were re-fortified in a way to blend with the Roman walls to disguise the troops' presence.

This card is unused, bought by my father in the 1980s.