It's a mix of netball, NFL and touch football. It's fast, athletically demanding, and famously self-refereed, where players collectively agree to adhere to the "spirit of the game" rather than rely on an independent arbiter.
Ultimate Frisbee was born around the middle of the 20th Century when college students at the United States arts school Middlebury College developed a pastime of tossing the pie and cake tin lids of Frisbie's Pie Company. By 1957, the Wham-O toy company had picked up the rights to a plastic flying disc design, and by the mid- to late-960s, Jared Kass and a few students at Amherst College had devised the rules for a game.
