Event:
President Wilson sails for Versailles Peace Conference in France, 1st chief executive to travel outside U.S. while in office
More Notable Events on December 4:
1996 NASA's 1st Mars rover launched from Cape Canaveral
1991 Pan American World Airways ceased operations
1976 Liz Taylor's 7th marriage to John Warner
1970 Unemployment in U.S. increases to 5.8 percent
1945 Senate approves U.S. participation in UN
