<page_title> Thunder Over Louisville </page_title> <section_title> Yearly statistics </section_title> <table> <cell> 1990 <col_header> Year </col_header> </cell> <cell> Opening Ceremonies of Derby Festival <col_header> Theme </col_header> </cell> <cell> 35,000 <col_header> Attendance (estimate) </col_header> </cell> <cell> 4,000 <col_header> Shells </col_header> </cell> </table>
In 1990, there were 35,000 people who attended Derby Festival opening ceremonies and a 4,000-shell fireworks show.