cornerstone of the United States Capitol
... that the cornerstone of the United States Capitol was laid in a Masonic ceremony in 1793?
... that the <b id="mwBr8"><a href="./United_States_Capitol_cornerstone_laying" id="mwBsA" rel="mw:WikiLink" title="United States Capitol cornerstone laying">cornerstone of the United States Capitol</a></b> <i id="mwBsE">(commemorative mural pictured)</i> was laid in a <a href="./Freemasonry" id="mwBsI" rel="mw:WikiLink" title="Freemasonry">Masonic</a> ceremony in 1793?