Technically, the United States has no state religion.
Yet many Americans believe the U.S. is a Christian nation because many of our forefathers were Christian.
The Establishment Clause of the U.S. Constitution sets a barrier between faith and state.
Yet, politicians still claim the Christian-centric nature of America.
To be sure, Christians are the majority of believers in the United States at 78.4 percent, according to the Pew Forum on Religion and Public Life 2007 U.S. Religious Landscape Survey.
Britain's falling Christian membership dropped that country out of the Christian nation category in 2009.