The Papal visit commemorative print-out-and-keep guide to the Eastern and Western Christian churches.

This week, after overcoming some minor technicalities, Pope Francis, the head of the Roman Catholic Church will be visiting the Greek island of Lesvos with the Ecumenical Patriarch of Constantinople and the Archbishop of Athens, to show support for the refugees arriving on the island and the local people who have been helping them.

If you have ever wondered how the churches compare on a number of key indicators, here is a handy guide.

Dogma

The two churches parted ways in the Great Schism of 1054, which marked the climax of series of disputes over issues as diverse as simple turf wars, through to who should pay whom their respects, and which bits of the Holy Trinity the Holy Spirit emanates from.

Semantics

Labels are important. Orthodox (meaning “correct”) vs. Catholic (meaning “for all”) suggests that the…