From Sept 9 - 10.
Relive the past and participate in an original celebration from the early 1900’s in Keystone. This event began as a celebration on Independence Day, July 4, 1899 on Main Street in Historic Keystone. Currently, the town celebrates the history of our community which began in the Gold Rush. Keystone relives the past with historic activities to involve the town residents and tourists who travel to the Black Hills
2016 is a special year for Holy Terror Days since the All School Reunion will be held, which only happens every 5 years.
Parade, Dance, Auction and BBQ on Saturday, September 9. September 10 will be a day filled with Laura and Carrie Ingalls activities including one of the actors from the "Little House on the Prairie" television series.