Did you know that the T-shirt has been around since the time of the Spanish-American War? Or that the most T-shirts worn by an individual at one time is over 270? Millions (and perhaps billions!) of people in the world own T-shirts, yet so few of us know about the history of this particularly well-loved garment. From reviving tourism, to paving the yellow brick road, to becoming bullet-proof, here are some of the T-shirt’s finest moments in history.