National Edison Day is celebrated annually on May 29 to honor the legacy of the inventor Thomas Alva Edison, who is famously associated with the invention of the light bulb. The day serves as a reminder to appreciate individuals named Edison, which are quite rare. The name Edison is believed to have origins in Old English, meaning 'son of Eadwig,' and it has Germanic roots, with 'ead' signifying 'luck' or 'prosperity' and 'wig' meaning 'war.' While the name Edison is uncommon as a first name, it has gained some popularity among unconventional families. Observers of the day may engage in activities such as researching the history of the name Edison and reflecting on its significance. The day emphasizes the importance of celebrating those who bring light and innovation into the world, much like the inventor himself.