 The philosophy of these "Seven Wise Men" directed the affairs of the Persian Empire until their overthrow by Muhammad in 638 AD.What is known is that after being "introduced" in New Orleans in April 1852, a Grand Conclave of Louisiana was set in June of that year and incorporated in 1854.A "Supreme Conclave", or organization embracing several states was organized in 1857 and had its first "communication" (convention).