As BaldwinIV has already pointed out, however, the Teutonic Knights didn't emerge until well into the period that Medieval 2 covers. Therefore it wouldn't make sense to add them as a starting faction, anymore than it would to add the Timurids or Golden Horde.

Quote Originally Posted by darsh
Maya faction
Adding the Mayans also wouldn't make sense, as none of the "American" factions are playable (and rightly so).