<a href="https://en.wikipedia.org/wiki/Vietnam_War" id="mwATQ" rel="mw:WikiLink" title="Vietnam War">Vietnam War</a>: In a propaganda ceremony in <a href="https://en.wikipedia.org/wiki/Phnom_Penh" id="mwATU" rel="mw:WikiLink" title="Phnom Penh">Phnom Penh</a>, <a href="https://en.wikipedia.org/wiki/Cambodia" id="mwATY" rel="mw:WikiLink" title="Cambodia">Cambodia</a>, three American prisoners of war are released by the <a href="https://en.wikipedia.org/wiki/Viet_Cong" id="mwATc" rel="mw:WikiLink" title="Viet Cong">Viet Cong</a> and turned over to "new left" antiwar activist <a href="https://en.wikipedia.org/wiki/Tom_Hayden" id="mwATg" rel="mw:WikiLink" title="Tom Hayden">Tom Hayden</a>.