It gets more than just tolerating. As soon as Constantine recognized Christianity, the Council of Arles (314) declared that deserters/those that refused military service on religious grounds even during peace would be excommunicated. The church was always subordinate to the state once they were in accord (or the pope got invaded).
Concerning those who lay down their weapons in peacetime,[1] be it resolved that they be excluded from fellowship.
It also excommunicated actors and charioteers, which didn’t last long considering the hippodrome ended up being more important than the Senate in running Constantinople.
It gets more than just tolerating. As soon as Constantine recognized Christianity, the Council of Arles (314) declared that deserters/those that refused military service on religious grounds even during peace would be excommunicated. The church was always subordinate to the state once they were in accord (or the pope got invaded).
https://www.fourthcentury.com/arles-314-canons/
It also excommunicated actors and charioteers, which didn’t last long considering the hippodrome ended up being more important than the Senate in running Constantinople.