The <a href="https://en.wikipedia.org/wiki/Korean_War" id="mwww" rel="mw:WikiLink" title="Korean War">Korean War</a> begins with the invasion of <a href="https://en.wikipedia.org/wiki/First_Republic_of_Korea" id="mwxA" rel="mw:WikiLink" title="First Republic of Korea">South Korea</a> by <a href="https://en.wikipedia.org/wiki/North_Korea" id="mwxQ" rel="mw:WikiLink" title="North Korea">North Korea</a>.