America was built upon biblical, Judeo-Christian principles although it has had no "established" state church. This does not mean every American citizen is Christian.
Western Europe also has a strong Judeo-Christian heritage, though many have abandoned it today, and before Christianity they were pagan.
Ethiopia has been said to be one of the oldest "Christian" countries.
Russia is the largest country in the whole world by land area.
Brazil has the second largest Christian population of any country, second to the US. Greece has the second largest Christian percentage of any country, second to the Vatican.
it is the beginning of us and our whole world
Russia
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Nepal
the whole world
migrant
china
vatican
there are more than 60000000 churches in the whole world
no it is only for a country not a whole world