Henry VIII built the artillery fort known as St Mawes Castle in the Falmouth, Cornwall area between 1540 and 1542. It protected the Carrick Roads waterway at the mouth of the River Fal and was a component of the Kings Device program, which aimed to prevent invasion by France and the Holy Roman Empire. Under leadership of Thomas Treffry, the castle was constructed in the shape of a clover leaf, featuring three round, projecting bastions that served as gun platforms and a four-story central tower. ... (Read More)