Was Alt Clut The Most Powerful Sub-Roman British Citadel?

— Check out my other channel History Time for full-length documentaries:-    / historytime   — Follow me on Instagram for travel stories:-   / petekellywriter   — Become a patron for as little as a dollar a month & help keep this channel going:-   / historytimeuk   — History Time is now a podcast. You can find us wherever you get your podcasts from. —Join the History Time community:- Twitter:-   / historytimeuk   Facebook:-   / historytimeofficial   Instagram:-   / historytime_ig   — Music courtesy of:- Epidemic Sound Joss Gallanagh-Edwards:-   / jgemusic   http://jgemusic.com Brodie Marshall:- https://open.spotify.com/artist/0Q7hB...   / user-516251154   Instagram:   / brodiemarshallmusic   — For audio needs Hamish Dickinson is your guy:- www.phoenixsoundstudio.co.uk I've compiled a reading list of my favourite history books via the Amazon influencer program. If you do choose to purchase any of these incredible sources of information then Amazon will send me a tiny fraction of the earnings (as long as you do it through the link) (this means more and better content in the future) I'll keep adding to and updating the list as time goes on:- https://www.amazon.com/shop/historytime I try to use copyright free images at all times. However if I have used any of your artwork or maps then please don't hesitate to contact me and I’ll be more than happy to give the appropriate credit.