“ While it is within your purview to write long-spanning histories of your world, it is largely unnecessary. If you are running an RPG, do this instead: make a bullet point list of important events that affect the world today, and mysteries that people still don't know. Let these fuel your adventures.”
“ When creating nations or cultures that reside in your desert regions, consider pulling inspiration from the Berbers or Bedouins, rather than the easily-mishandled Iranian/Persian/Arab convention”