<page_title> German submarine U-66 (1940) </page_title> <section_title> Summary of raiding history </section_title> <table> <cell> Heinrich von Riedemann <col_header> Ship </col_header> </cell> <cell> Panama <col_header> Nationality </col_header> </cell> <cell> 11,020 <col_header> Tonnage </col_header> </cell> </table>
U-66 attacked Heinrich von Riedemann, an 11,020-ton Panamanian ship.