As today is the Fourth of July, many people are posting the text of documents like The Declaration of Independence or the Preamble to the Constitution. I prefer to post part of another, lesser known document that was approved by President John Adams and Congress in 1796 - the Treaty of Tripoli. From Article 11 of that treaty_
As the government of the United States of America is not in any sense founded on the Christian Religion,-as it has in itself no character of enmity against the laws, religion or tranquility of Musselmen,-and as the said States never have entered into any war or act of hostility against any Mehomitan nation, it is declared by the parties that no pretext arising from religious opinions shall ever produce an interruption of the harmony existing between the two countries.
So, at a time when the founding fathers still dominated US politics, a document was approved that explicitly states that we were not, in fact, founded as a "Christian Nation". Mull that one over, religious right winguts.