<page_title> List of Billboard Hot 100 number-one singles of 1965 </page_title> <table> <cell> October 2 <col_header> Issue Date </col_header> </cell> <cell> "Hang On Sloopy" <col_header> Song </col_header> </cell> </table>
The McCoys song "Hang on Sloopy", was number 1 on the Billboard Hot 100 in October 1965.