Every four years, members of America's political parties gather for a bit of housekeeping. They select their nominees for president and vice president, determine their party's official platform for the upcoming election and listen to a few dozen speeches. However, this quadrennial practice we now take for granted hasn't actually been around all that long. In fact, the first political conventions weren't even held until the mid-19th century. From surprise candidates to delegate fistfights, here are five things you may not know about the history of nominating conventions.