<a href="https://en.wikipedia.org/wiki/Vietnam_War" id="mwAQo" rel="mw:WikiLink" title="Vietnam War">Vietnam War</a>: The United States and South Vietnam begin <a href="https://en.wikipedia.org/wiki/Operation_Hastings" id="mwAQs" rel="mw:WikiLink" title="Operation Hastings">Operation Hastings</a> to push the North Vietnamese out of the <a href="https://en.wikipedia.org/wiki/Vietnamese_Demilitarized_Zone" id="mwAQw" rel="mw:WikiLink" title="Vietnamese Demilitarized Zone">Vietnamese Demilitarized Zone</a>.