Minimum Christianity

There's probably slightly more to this than meets the eye, but I wanted a short and snappy title. What is the minimum area of the world that could be converted to Christian majority for Christianity today to still be considered a major world religion? I was thinking something along the lines of having the Christian faith restricted mostly to Greece, Italy and the various Mediterranean Isles; perhaps a more successful Islam, and survival of Zoroastrian and Jewish states? Anyway, what do you think?
 

oberdada

Gone Fishin'
Brooklyn

If you have an Islamic Europe and Christianity taking the role as a widespread religious minority.
Maybe a Christian Ethiopia and a Christian Armenia are to survive as well, but that will be it.
 
still be considered a major world religion?

What do you mean by 'major'? Do you mean just known or are you talking population numbers? Judaism is probably smaller on the population list but one of the majors in most peoples minds (West that is).


I was thinking something along the lines of having the Christian faith restricted mostly to Greece, Italy and the various Mediterranean Isles; perhaps a more successful Islam, and survival of Zoroastrian and Jewish states?

Two trains of thought that are tied to each other. If you have a more successful Islam, then that probably lessons the probability of any Jewish or Zoroastrian/Persian state. If Islam replaces Christianity in Europe then I don't think any regions in the area are going to escape the same fate. Now you could argue that such an even scatters Christians and the Muslims allow certain populations and regions to remain 'Christian' but I'm not sure that qualifies as being a 'major' religion.

Pure speculation follows: Perhaps the Mongols smash both Islam and Christianity. Rome, Constantinople, Mecca and the like are taken, burned, pillaged and their power and influence broken. Over time the Mongols lose their hold on the region as the massive Empire breaks up various times over succession problems and the like. Parts of the former regions reclaim and proclaim their faiths again but the religions are fragmented and become much more localized versions of their faith or revert to something else. Fast forward in time and you have the 'religions' still being considered majors but Christianity is localized to a few smaller regions and a minority belief.
 
Only in Israel, Gaza and Lebanon, or whatever those parts of the world are called ITTL, with small urban communities in Europe and the USA, not unlike Judaism IOTL.
 
There's probably slightly more to this than meets the eye, but I wanted a short and snappy title. What is the minimum area of the world that could be converted to Christian majority for Christianity today to still be considered a major world religion? I was thinking something along the lines of having the Christian faith restricted mostly to Greece, Italy and the various Mediterranean Isles; perhaps a more successful Islam, and survival of Zoroastrian and Jewish states? Anyway, what do you think?

I actually had a map, if you butterfly away saint paul of tarsus, you can restrict christianity to a jewish cult.
 
There's probably slightly more to this than meets the eye, but I wanted a short and snappy title. What is the minimum area of the world that could be converted to Christian majority for Christianity today to still be considered a major world religion? I was thinking something along the lines of having the Christian faith restricted mostly to Greece, Italy and the various Mediterranean Isles; perhaps a more successful Islam, and survival of Zoroastrian and Jewish states? Anyway, what do you think?

Zoroastrianism was supplanted by Islam, not Christianity; the Jewish states (all two of them!) had already been thoroughly crushed and dispersed twice by the time Christianity became big.

One way to do what you want, though, is maybe to have Christianity just get big in Greece instead of making its way to Rome. Then you have a large, rich region that's Christian, but not all of Europe.
 
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