<P> Six Flags St. Louis , formerly Six Flags Over Mid-America , is a theme park located in Eureka , Missouri . The park opened on June 5 , 1971 and features eight themed areas as well as numerous attractions and live shows . The adjacent Hurricane Harbor water park is free with park admission . The park brands itself as `` Missouri 's Coaster Capital '' . </P>
<P> Six Flags St. Louis , formerly Six Flags Over Mid-America , is a theme park located in Eureka , Missouri . The park opened on June 5 , 1971 and features eight themed areas as well as numerous attractions and live shows . The adjacent Hurricane Harbor water park is free with park admission . The park brands itself as `` Missouri 's Coaster Capital '' . </P>
when did six flags over mid america open
when did six flags over mid america open
June 5 , 1971
June 5 , 1971