<a href="https://en.wikipedia.org/wiki/Nik_Wallenda" id="mwAW4" rel="mw:WikiLink" title="Nik Wallenda">Nik Wallenda</a> becomes the first person to successfully <a href="https://en.wikipedia.org/wiki/Tightrope_walking" id="mwAW8" rel="mw:WikiLink" title="Tightrope walking">tightrope walk</a> directly over <a href="https://en.wikipedia.org/wiki/Niagara_Falls" id="mwAXA" rel="mw:WikiLink" title="Niagara Falls">Niagara Falls</a>.