10 key energy use events in the U.S.

Benjarmn Franklin kit and key

Jun 10, 1752

June 10 1752 Benjamin franklin flew a kite with a key attached to it in a lightning storm. The key was struck by lightning and the electrical effects was collected in a Leyden jar allowing him to demonstrate the electrical nature of lightning. ( http://www.history.com/this-day-in-history/franklin-flies-kite-during-thunderstorm )