Tecumseh celebrates its 42nd annual Frontier Days Festival Saturday, September 15. The parade will be at 10 am on Broadway and then the festivities will go all day in Slick Humphrey Park 11-7 with vendors, food trucks, car show, free kids activities and live music featuring Shoulda Been Blonde, Blackwater Smoke, Lil Elvis and Vince Van & The Outlaws. Free admission.