About historical accuracy I am more for “mechanics” accuracy than “strict clothes” accuracy like explained in the second video of this post : How will aging of people work? - #14 by louis.mervoyer (If you like game design, Extra Credit is a great youtube channel : interesting and accessible)
edit At the end of this topic Bronze Age Expansion @Sargon and I were talking about strategic/region map and how it could be design maybe you would like to contribut and give of thoughts on it 
.