Dennis the Cat Day
Join the Old Idaho Penitentiary on a Summer Saturday afternoon and discover the story of the Penitentiary’s historic animal mascot, Dennis the black and white tuxedo cat, during our fifth […]
Public Program
May 2025
June 2025
2025 Esto Perpetua Awards Ceremony
The 2025 Esto Perpetua Awards will be presented by the Idaho State Historical Society (ISHS) on June 5, 2025, at a special ceremony held at the Idaho State Museum in Boise, Idaho. These awards celebrate […]
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