September 20th
This is a fun, 2 day festival celebrating Montana agriculture heritage, featuring handcraft demonstrations and sales, antique tractors and farm equipment/stationary engines and tools, classic cars, a one-room schoolhouse (with teacher), children's games, tractor and car driving demonstrations and games, concessions, model train display, a working blacksmith shop, and much more. There will be fun for all ages.
http://treasurestateflywheelers.org/