In 1905, soda pop had just become the most popular drink on the market. 11-year-old Frank Epperson decided he wanted to save money by making his own at home. Using a combination of powder and water, he got pretty close but then absentmindedly left the concoction on his porch all night. Temperatures ended up dropping to below freezing, and when he came out in the morning, he found his mixture frozen with the stirring stick still stuck in it.