Not to mention the largest IA fort in Britain and the most earthwork dykes. The list does indeed go on. Odd that.

The presentation is called "Hurting the henge capital" I think you'll like it.

Isurium became the capital about a huindred years after the Roman invasion. Stanwick possibly was for about ten years before the Roman invasion. Not sure if there was a capital as such before that but we certainly have a few contenders.