<page_title> Cao Cao </page_title> <section_title> Alliance against Dong Zhuo (189–191) </section_title> <table> <cell> 213 <col_header> A summary of the major events in Cao Cao's life </col_header> </cell> <cell> Created Duke of Wei and given ten commanderies as his dukedom. <col_header> A summary of the major events in Cao Cao's life </col_header> </cell> </table>
In 213, Cao Cao received the title "Duke of Wei" and was given ten commanderies under his dukedom.