Christianity is a religion. It begins with the letter c.
Vatican City
The most wide-spread religion in Europe is Christianity. It started between 50-70 AD and Roman Catholicism became the biggest Christian Denomination in the country.
Christianity is a religion regardless of what country you are in worldwide. Though in countries like Saudi Arabia, and Iran Christain are persecuted.
The Roman Empire(present-day Italy) was the first to establish Christianity as an official religion.
Probably the Palestine region although it was not the official religion at the time.
Denmark is a very unreligious country. Main religion would be Christianity if any.
I think I can safely say California has them all.
armenia
The traditional religion of Switzerland [as a central European country] is Christianity
A little while after Jesus died on the cross.
AnswerChristianity is believed to have started in Galilee and Judea.