<page_title> List of New Zealand by-elections </page_title> <section_title> Pre-party era </section_title> <table> <cell> 1878 <col_header> By-election and electorate </col_header> <col_header> By-election </col_header> <col_header> By-election </col_header> <col_header> By-election </col_header> </cell> <cell> Parnell <col_header> By-election and electorate </col_header> <col_header> Electorate </col_header> <col_header> Electorate </col_header> <col_header> Electorate </col_header> </cell> <cell> 20 February <col_header> Date </col_header> <col_header> Date </col_header> <col_header> Date </col_header> <col_header> Date </col_header> </cell> </table>
The 1878 Parnell by-election was held on 20 February 1878 in the Parnell electorate and during the 6th New Zealand Parliament.