It is not surprising that the Presidency, the highest office in the United States, should have been involved in many prophetic visions and dreams. February 28, 1844, was to mark an event of great importance during President John Tyler's term of office. Leading social figures, diplomats, Congressmen, and military personnel had been invited by Captain Robert F. Stockton to come aboard the V.5.S. Princeton and witness a demonstration of two massive guns, the "Peacemaker" and the "Oregon."