1987: Kentucky Kingdom opens with out-of-state investors. The amusement park closed after a single season.
1990: Businessman Ed Hart reopens the amusement park. The size of Kentucky Kingdom is doubled, and new rides such as Thunder Run are added.
1997: Premier Parks purchases Kentucky Kingdom.
1998: The new ownership renames the amusement park Six Flags Kentucky Kingdom.
2009: Six Flags Kentucky Kingdom's parent company closes the park amid bankruptcy proceedings.
