- Difficulty Level: Easy
- Description: Install a union through a succession war.
|Achievement||Relentless Push East|
|Description||Starting as a Russian nation, By 1600 own the East Siberian Coastline.|
|Notes||This achievement is pretty easy to reach as Muscovy and you can finish it 40 to 50 years before the deadline. It is recommended to form Russia and take advantage of their Siberian Frontier idea. This allows you to colonise Siberia faster than taking exploration ideas at a cost of diplomatic points. Another idea group can be taken instead of exploration to help with your wars in Europe. If one chooses not to form Russia, exploration idea group is mandatory.|