Yarmouth Castle
... that Yarmouth Castle was among the first fortifications in Europe, and the first in England, to adopt an arrow-headed design of the castle's bastion?
... that <b id="mwAYg"><a href="./Yarmouth_Castle" id="mwAYk" rel="mw:WikiLink" title="Yarmouth Castle">Yarmouth Castle</a></b> <i id="mwAYo">(pictured)</i> was among the first fortifications in Europe, and the first in England, to adopt an arrow-headed design of the castle's bastion?