Why is China catholic?
Conquistador conquers the crumbling Ming empire. The conquest is handed over to the Spanish Habsburgs after he is killed.
The foreign dynasty tries to catholicize the county and is soon replaced by a native catholic dynasty.
Why is China catholic?
That and clocks and armoursPerhaps the Chinese develop an obsession for European glassware or Baltic amber? Now after a few centuries of being in Europe and an industrial revolution they decide to conquer Britain for its resources. Not sure how likely though.
Well, nice European bibles at least, it's not insane to think about some kind of Euro craze in ChinaAnd JESUS!