Coffee is as integral a part of American culture as McDonald’s, rock n’ roll, and blue jeans. But if it weren’t for the Boston Tea Party of 1773, Americans may never have adopted coffee as their national morning beverage of choice. When the colonies revolted against King George III’s reduction of the tea tax, this sparked a mass switch from tea-drinking to coffee-drinking. More than two centuries later, America is collectively buzzing from its massive coffee intake. On Sept. 29, we fill our cups with joe and raise a toast to America’s favorite caffeine fix for National Coffee Day.