Silesia is an area in current OTL Poland's south-west. In the past, it also was a province first of Austria and since the 18th century Prussia for quite some time.
Alternate versions of Silesia have been discovered throughout the multiverse:
- Silesia (1861: Historical Failing)
- Silesia (Chaos)
- Silesia (A Federation of Equals)
- Silesia (Principia Moderni III Map Game)
- Silesia (Twilight of a New Era)
- Silesian Union (World Domination)