For the June display , on the Loudoun County, Virginia Courthouse lawn, commemorates an important historic event which was a clear indicator of the thinking of the Founders about separating religion from government.
The Treaty of Tripoli was ratified unanimously by Congress on June 7, 1797, and signed by President John Adams.
What makes this especially relevant to the ongoing Separation argument is that it states unambiguously that the United States is NOT a christian nation.
“As the government of the United States of America is not, in any sense, founded on the Christian religion…”
Not a bad arrow to have in your quiver when you are battling the historically challenged.