The <a href="https://en.wikipedia.org/wiki/Mount_Washington_Cog_Railway" id="mwwg" rel="mw:WikiLink" title="Mount Washington Cog Railway">Mount Washington Cog Railway</a> opens, making it the world's first mountain-climbing <a href="https://en.wikipedia.org/wiki/Rack_railway" id="mwww" rel="mw:WikiLink" title="Rack railway">rack railway</a>.