Joseph Mohr and Franz Gruber performed "Stille Nacht" for the first time at a Christmas Eve mass in Austria on Dec. 24, 1818. There's more detail in the December 24, 2018 episode of Stuff You Missed in History Class.
Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htm
And to learn about your ad choices when listening to podcasts, visit https://www.howstuffworks.com/privacy.htm#ad-choices