Total plug but this year I scraped 400,000 wikipedia pages with Gemini to create landnotes.org, an atlas where you can ask "what happened in Japan in 1923":
My plan has been to overlay historical map borders on top of it, like the Geacron one from this post, but they all seem to be protected by copyright - and understandably so, given the amount of work involved.
https://landnotes.org/?location=xnd284b0-6&date=1923&strictD...
https://github.com/Zulko/landnotes
My plan has been to overlay historical map borders on top of it, like the Geacron one from this post, but they all seem to be protected by copyright - and understandably so, given the amount of work involved.