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Here's a challange for you. See if you can do it. Please.
You must have:
Polish-Lithuanian Commonwealth, still a domiant power.
the Commonwealth, has to have completly annexed one of either, Prussia, Austria or Russia. Although for Russia, just it's western territories will be required.
The two remaining of the three, must be weakened by Poland-Lithuania.
Greece, must hold, Constantinople and have a sizable nation.
England and Portugal must be in a personal union.
The year of this map will be up to you. But it must be on the eve of TTL's WWI.