Too many boards is a bad idea. Medieval to cover the late DA (say 1066) to Bastard Feudalism (say 1500) is fine by me. I like the diversity in a board so that I might be inspired by something I wouldn’t normally look for – I’m personally not that interested in the DA but I might be if inspired by the posts of others – put it on a DA board and I wouldn’t see it because I’d probably never go there. Spice of life, and all that.
My whoring and daubing: