It's not true that Christianity was unified for centuries and didn't begin to divide until 1054, when the Western (Roman Catholic) church and Eastern Orthodox Christianity split in the Great Schism.

Correction: The chart “A century ago, all three major branches of Christianity were concentrated in Europe. That is still the case for Orthodox Christians, but not Protestants and Catholics” has been ...

The heads of three Finnish Christian churches have met up with the Pope John Paul the second in the Vatican. The meeting marked the celebrations of Christianity's arrival to Finland 850 years ago.

All three major branches of Protestantism have declined in share of the population since 2007. Evangelical Protestants now make up 23%, down from 26%. Mainline Protestants account for 11% of U.S ...