American soldiers have stood guard over the Tomb of the Unknown Soldier every minute of every day since July 2, 1937. Learn what this monument means and who's interred there in today's classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/national-traditions/tomb-unknown-soldier.htmSee omnystudio.com/listener for privacy information. Rss Apple Podcaster →