Feb. Buffalo Bill Birthday Ball. Hundreds of folks don their turn-of-the-20th-century attire and dance in Cody until the wee hours in this celebration of William F. Cody's birthday. 307/587-0500.
Mar. World Snowmobile Expo. Top-notch racing is combined with a sneak peek at next year's hot models. The SnowWest SnoCross attracts racers to West Yellowstone from throughout the snowbelt. 406/646-7701.
June-Aug. Cody Nite Rodeo. Some Western towns host a rodeo now and then, but come summer Cody has one every night. The action includes bronco busting and bull riding. 307/587-5155.
Sept. Old Settler's Days. Celebrating Livingston's pioneer history, this event in Clyde Park includes an art show, a quilt display, and entertainment. 406/686-4409.