EmperorFool
Deity
I acquired the Scientific Revolution policy after building a University in all three of my cities but before acquiring the policy that unlocks the next science building, Scientific Theory. Upon acquiring ST, none of my three cities received a free science building.
This should work just like the policy that grants four culture buildings: having them appear once you acquire a tech that unlocks the next building if you've already built all of them in a particular city.
This should work just like the policy that grants four culture buildings: having them appear once you acquire a tech that unlocks the next building if you've already built all of them in a particular city.