1. The Father of the new Nation is a Freemason. They refer to their God as 'The Great Architect'.
2. At the laying of the Cornerstone of the Capitol of the new Nation is a metal plate with a Freemason date on it, not a Christian date.
3. After the Ceremony, an Ox is killed and a feast is engaged in.
"Washington, accompanied by three
Worshipful Masters carrying sacrifices of corn, wine, and oil, then struck the stone three times with a gavel, as prescribed by Masonic custom. Washington exited the trench to ritual chanting by the assembled Masons and a 15-gun salute (one gun for each
U.S. state) from the Alexandria Volunteer Artillery. Clark then delivered a short invocation, after which a 500 pounds (230 kg)
ox was slaughtered and roasted.
[1]
https://en.wikipedia.org/wiki/United_States_Capitol_cornerstone_laying