You know, that sounds like 500AD. At 1000AD things are very different, starvation changes all, I was getting a GA every 2 turns (from a different city every time).
By the way, I reached another conclusion, the 4rth religion is not necessary at all. Even some of the cathedrals in the cottaged-non-capital- city could have been sacrificed in order to forgo temples in other cities in order to run more artists and less hills.