United States President <a href="https://en.wikipedia.org/wiki/Richard_Nixon" id="mw0w" rel="mw:WikiLink" title="Richard Nixon">Richard Nixon</a> visits China to normalize <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Sino-American_relations" id="mw1A" rel="mw:WikiLink" title="Sino-American relations">Sino-American relations</a>.