Complex sentence: The 1862 Military Contractor Court-Martial act that was the basis for Smith's trial was declared unconstitutional by a federal circuit court in Kentucky in 1866 when considering a case similar to that of Franklin Smith.
Split into simpler sentences: The 1862 Military contractor court-martial act, that was the basis for Smith's trial, was declared unconstitutional by a federal circuit court in Kentucky during 1866. The court was considering a case similar to that of Franklin Smith.