World War II: Filipino troops of the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Philippine_Commonwealth_Army" id="mw-A" rel="mw:WikiLink" title="Philippine Commonwealth Army">Philippine Commonwealth Army</a> liberate the captured in <a href="https://en.wikipedia.org/wiki/Ilocos_Sur" id="mw-Q" rel="mw:WikiLink" title="Ilocos Sur">Ilocos Sur</a> and start the <a href="https://en.wikipedia.org/wiki/Battle_of_Bessang_Pass" id="mw-g" rel="mw:WikiLink" title="Battle of Bessang Pass">Battle of Bessang Pass</a> in <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Northern_Luzon" id="mw-w" rel="mw:WikiLink" title="Northern Luzon">Northern Luzon</a>.