there are various sites that could help u with that question but this website is not one of them
11th century. This is when Chepstow Castle began construction and Chepstow is the first stone castle made.
How should i know
about 1 year
the stone castle has a mote and stone walls
yes, Skipton castle is a stone keep castle
lava
you would have to have stone
Wood and Stone
square stone keep castle
A stone castle
A stone or square keep castle is the extention of a motte and bailey castle.
The concentric castle