Quote Originally Posted by Sir Beane View Post
Poland-Lithuania is actually a Constitutional Monarchy at the time the game starts, all the otehrs are correct .

You can check on a recent IGN screenshot which shows the diplomacy screen for the playable factions.
I have to admit, Poland-Lithuania was sort both. It had an elected monarchy, akin to a President but from a Royal Group.

However, in 1791 they reformed politics to have a hereditary monarchy with a constitution. (So a Constitutional Monarchy)/