<page_title> 1971 NASCAR Winston Cup Series </page_title> <section_title> Season recap </section_title> <table> <cell> August 15 <col_header> Date </col_header> </cell> <cell> Yankee 400 <col_header> Event </col_header> </cell> <cell> Michigan International Speedway <col_header> Circuit </col_header> </cell> </table>
The Yankee 400 was run on August 15 at Michigan International Speedway.