Mo. Rev. Stat. § 144.041
In addition to the exemptions granted under the provisions of section 144.030, there is hereby exempted from any sales and use taxes levied by the state and any sales taxes levied by any political subdivision of this state as otherwise authorized by law any charges for admissions, as defined in section 144.010, to any of the games of the 1994 World Cup Soccer Tournament which are held in any county of the first classification having a charter form of government which contains all or any part of a city with a population of at least three hundred fifty thousand inhabitants.
(L. 1992 S.B. 533)