. . "UltraClash 1993"@en . "UltraClash 1998"@en . . "In professional wrestling, UltraClash was a supercard staged by the Philadelphia, Pennsylvania, United States-based professional wrestling promotion NWA Eastern Championship Wrestling/Extreme Championship Wrestling in 1993 and 1998."@en . "1998-09-19Z"^^ . . . . . . . "1993-09-18Z"^^ . . .