Revival

This is just a thought i have been working through. We sing we pray and hope that revival will come or maybe that one day the church will become revived. But i have been thinking about is by searching from revival are we trying to restore christendom.
But can christendom be restored and if should it. The church was more dynamic before it was taken over by Constantine.
But with this in mind the 'established' church has seen population numbers drop but as numbers drop within the church and it feels like the established church is dying. There is an increased desire in spirituality outside the church.
So is it possible that we are experiencing post christendom revival but we just don't recognise how its unfolding?