- Description: Own and have cores on the British Isles as an Irish nation.
- Difficulty Level:
|Achievement||Over a Thousand!|
|Description||Own 1001 provinces directly.|
|Notes||Colonial provinces taken in war from other nations do not add overextension. Colony won't be estabilished as long as at least 5 provinces aren't cored so don't core them them untill you get the achievment.|