Quote Originally Posted by RedKnight
Perhaps that's where my confusion comes from, Dorkus - when you say they have a temporary 20% bonus for 4 turns, this is on top of their regularly advertised bonus, right? (they still keep their stated bonus after the 2 years)
Yes, sorry for the confusion. should have made it more clear.

20% wonder order bonus is an undocumented bonus that all wonders grant. This fades away, but the documented bonus is permanent. (So artemis will always give you a discount on religious buildings)