Contains Western Roman Empire, Achaemenid empire, and the Eurasian Khanate.
Compatible with the 1830 Update for GFM.
Step 1. Download and Install Moddb.com
Step 2. Download this file
Step 3. Unpack the file, find the GFM and GFM Fantasy folders and overwrite the original mod with it (highly recommend making a back up of your original GFM so that your saves aren't corrupted).
Step 4. Have fun!