The <a href="https://en.wikipedia.org/wiki/Ballot_Act_1872" id="mwpg" rel="mw:WikiLink" title="Ballot Act 1872">Ballot Act 1872</a> in the United Kingdom introduced the requirement that parliamentary and local government elections be held by secret ballot.<sup about="#mwt64" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-12"}}' id="cite_ref-12" rel="dc:references" typeof="mw:Extension/ref"><a href="./July_18#cite_note-12" id="mwpw" style="counter-reset: mw-Ref 12;"><span class="mw-reflink-text" id="mwqA">[12]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-12"><cite about="#mwt61" class="citation book cs1" id="CITEREFHanham1969">Hanham, H. J. (1969). <a class="external text" href="https://books.google.com/books?id=z0xHM3jmnAUC&amp;pg=PA277" id="mwBrE" rel="mw:ExtLink nofollow"><i id="mwBrI">The Nineteenth-Century Constitution 1815-1914: Documents and Commentary</i></a>. Cambridge University Press. p.<span id="mwBrM" typeof="mw:Entity"> </span>277. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwBrQ" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwBrU" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-0-521-09560-0" id="mwBrY" rel="mw:WikiLink" title="Special:BookSources/978-0-521-09560-0"><bdi id="mwBrc">978-0-521-09560-0</bdi></a>.</cite><span about="#mwt61" class="Z3988" id="mwBrg" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Nineteenth-Century+Constitution+1815-1914%3A+Documents+and+Commentary&amp;rft.pages=277&amp;rft.pub=Cambridge+University+Press&amp;rft.date=1969&amp;rft.isbn=978-0-521-09560-0&amp;rft.aulast=Hanham&amp;rft.aufirst=H.+J.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dz0xHM3jmnAUC%26pg%3DPA277&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJuly+18"></span></span>