<page_title> List of Prime Ministers of New Zealand </page_title> <section_title> List </section_title> <table> <cell> 1 <col_header> No. </col_header> <col_header> Colonial Secretaries (1856–1869) </col_header> <row_header>  </row_header> </cell> <cell> The Honourable Henry Sewell MP for Christchurch, Canterbury (1807–1879) <col_header> Name (Birth–Death) Constituency </col_header> <col_header> Colonial Secretaries (1856–1869) </col_header> <row_header>  </row_header> <row_header> 1 </row_header> </cell> <cell> 7 May 1856 <col_header> Term of office </col_header> <col_header> Colonial Secretaries (1856–1869) </col_header> <row_header>  </row_header> <row_header> 1 </row_header> </cell> <cell> 20 May 1856 <col_header> Term of office </col_header> <col_header> Colonial Secretaries (1856–1869) </col_header> <row_header>  </row_header> <row_header> 1 </row_header> </cell> <cell> Sewell <col_header> Government </col_header> <col_header> Colonial Secretaries (1856–1869) </col_header> <row_header>  </row_header> <row_header> 1 </row_header> </cell> </table>
Henry Sewell was the first Prime Minister of New Zealand and led the Sewell Ministry in 1856.