Complex sentence: The only person actually tried was Castner Hanway, a European-American man, who on November 15,1851 was tried for liberating slaves taken into custody by U.S. Marshal Kline, as well as for resisting arrest, conspiracy, and treason.
Split into simpler sentences: The only person actually tried was Castner Hanway, a European-American man. On 15 November 1851 he was tried for liberating slaves taken into custody by U.S. Marshal Kline, as well as for resisting arrest, conspiracy, and treason.