Incident USS General Sherman Incident Sinking of General Sherman a US Marine Merchant ship The General Sherman Incident of 1866 and Rev. Thomas' Martyrdom Some Comments on "The General Sherman Incident of 1866 and Rev. Thomas' Martyrdom." USS General Sherman (1864–1865, "Tinclad" # 60) 1866 in Korea 19th-century military history of the United States Battles involving Joseon Combat incidents Conflicts in 1866 Diplomatic incidents International maritime incidents July 1866 events Korea–United States relations Maritime incidents in September 1866 Massacres in Korea Korean Expedition Ships lost with all hands