<page_title> List of NHL seasons </page_title> <section_title> Expansion years </section_title> <table> <cell> 73 <col_header> No. </col_header> </cell> <cell> 1989–90 <col_header> Season </col_header> </cell> </table>
The 1989–90 NHL season was the 73rd season of the National Hockey League.