Add Yahoo as a preferred source to see more of our stories on Google. Pope Leo XIV marked a high point of his first foreign trip to Turkey with a pilgrimage to the site where early Christian church ...

This raucous meeting, which took place exactly 1700 years ago, was one of the most important in Christian history. Icon depicting the Emperor Constantine and the fathers of the Council of Nicaea of ...

The Catholic Church this year marks the 1,700th anniversary of the First Council of Nicaea, the first ecumenical synod in the history of the Church, convened by Emperor Constantine in what is now the ...