 The Helena Ambassadors, also known as the Redcoats, will once again host a free family-oriented 4th of July celebration at Centennial Park and the Old Glory Landmark. From 11 to 2 July 4th, there will be bounce houses, live music, and a special flag-raising ceremony at noon. The 4th of July celebration at Centennial Park is free. Connecting our community, the Montana Radio Company and Boxwoods. From furniture to trinkets, there's something for every style at Boxwoods on the 400 block of Last Chance Gulch.