In June 1752, Benjamin Franklin flew a kite in a thunderstorm near Philadelphia to demonstrate that lightning was an electrical phenomenon. By attaching a metal key to the kite string and observing sparks drawn from it, Franklin proved his theoretical prediction about the electrical nature of lightning. This experiment, conducted on the streets of Philadelphia, led directly to his invention of the lightning rod and made him internationally famous as both a scientist and a public figure.

Franklin's kite experiment is one of the most frequently referenced scientific events in American literature, symbolizing the Enlightenment ideal of the practical, self-made thinker mastering nature through reason. Franklin himself was a major literary figure whose "Autobiography" and "Poor Richard's Almanack" shaped American prose style. The image of drawing fire from the sky became a mythic metaphor in American poetry for daring, creativity, and the harnessing of destructive forces for human benefit, echoed in works by Walt Whitman, Emily Dickinson, and the American Romantic tradition.