 We hear about the roaring 20s today, and they did roar. It was in the 1920s when most American households received electricity. It was in the 1920s when indoor plumbing finally arrived, even in Plymouth Notch. It was also in the 1920s when Americans became so productive that they were able to finally have a day of leisure. That day became known as Saturday, a day off. Automobiles became much more widespread. This was the era of Henry Ford's assembly line.