<page_title> List of NHL seasons </page_title> <section_title> Original Six era </section_title> <table> <cell> 49 <col_header> No. </col_header> </cell> <cell> 1965–66 <col_header> Season </col_header> </cell> </table>
The 1965–66 NHL season was the 49th season of the National Hockey League.