1860 Londonderry City by-election
... that Irish Conservative candidate William McCormick won the 1860 Londonderry City by-election partly because of the support of his Catholic workers, who had previously voted for the Liberal Party?
... that <a href="./Irish_Conservative_Party" id="mwBII" rel="mw:WikiLink" title="Irish Conservative Party">Irish Conservative</a> candidate <a href="./William_McCormick_(MP)" id="mwBIM" rel="mw:WikiLink" title="William McCormick (MP)">William McCormick</a> won the <b id="mwBIQ"><a href="./1860_Londonderry_City_by-election" id="mwBIU" rel="mw:WikiLink" title="1860 Londonderry City by-election">1860 Londonderry City by-election</a></b> partly because of the support of his Catholic workers, who had previously voted for the Liberal Party?