"No Cross, No Crown" was a treatise written by William Penn in 1682. As a sort of history joke, "No Cross No Crown" is a guideline that we on the Althistory Wiki inherited from our Internet grandparent, the CONLANG List (conlang@listserv.brown.edu) and our Internet parent, the Conculture Group (groups.yahoo.com/group/conculture/). Generally, it means that discussions of religion ("Crosses") and politics ("Crowns") ought to be avoided, or at least approached with caution. "NCNC" has been summarized thus: