<a href="https://en.wikipedia.org/wiki/Partition_of_Ireland" id="mwiA" rel="mw:WikiLink" title="Partition of Ireland">Ireland is partitioned</a> under British law by the <a href="https://en.wikipedia.org/wiki/Government_of_Ireland_Act_1920" id="mwiQ" rel="mw:WikiLink" title="Government of Ireland Act 1920">Government of Ireland Act 1920</a>, creating <a href="https://en.wikipedia.org/wiki/Northern_Ireland" id="mwig" rel="mw:WikiLink" title="Northern Ireland">Northern Ireland</a> and <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Southern_Ireland_(1921–22)" id="mwiw" rel="mw:WikiLink" title="Southern Ireland (1921–22)">Southern Ireland</a>.