<a href="https://en.wikipedia.org/wiki/Thomas_Edison" id="mwTw" rel="mw:WikiLink" title="Thomas Edison">Thomas Edison</a>'s first commercial hydroelectric power plant (later known as <a href="https://en.wikipedia.org/wiki/Vulcan_Street_Plant" id="mwUA" rel="mw:WikiLink" title="Vulcan Street Plant">Appleton Edison Light Company</a>) begins operation.