<page_title> SM U-53 </page_title> <section_title> Summary of raiding history </section_title> <table> <cell> Strathdene <col_header> Name </col_header> </cell> <cell> United Kingdom <col_header> Nationality </col_header> </cell> <cell> 4,321 <col_header> Tonnage </col_header> </cell> <cell> Sunk <col_header> Fate </col_header> </cell> </table>
The 4,321-ton British steamer Strathdene was torpedoed by SM U-53.