My Predictions:
Civ UA: The peace of Westphalia - Bonus when creating world congress resolutions. Gain unique governor Axel Oxenstierna
Civ UU: Hakkapeliitta - Cuirassier replacement
Civ UI: Karolinska Institute - University replacement
Kristina's UA: Minerva of the north - Gain more GPs and hold more great works in capital
Civ UA: The peace of Westphalia - Bonus when creating world congress resolutions. Gain unique governor Axel Oxenstierna
Civ UU: Hakkapeliitta - Cuirassier replacement
Civ UI: Karolinska Institute - University replacement
Kristina's UA: Minerva of the north - Gain more GPs and hold more great works in capital