35th Annual Missouri Day Festival. Over 150 vendors on site during this 3-Day event on October 18,19 and 20th. Saturday's High School Missouri Day Band Festival brinds in thousands to our event. If you have not signed up as a vendor, please visit our website at www.trentonmochamber.com or call 660-359-4324 for an application. Don't miss this exciting weekend in Trenton, MO.