Assertion: castle's fortification | /r/CapableOf | start at castle island
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text: Initial fortification by the Virginia Company's (Bermuda was originally settled as an extension of Virginia) first deliberate settlers in 1612, was around the inlets to St. George's Harbour, but by the end of that year work had commenced on Castle Harbour's defences, starting at Castle Island (previously called Gurnett's Head, and King's Island).