The Itata incident was a diplomatic affair and military incident involving the United States and Chilean insurgents during the 1891 Chilean Civil War. The incident concerned an arms shipment by the Chilean ship Itata from the United States to Chile, to assist insurgent Congressionalist forces in the war. The Itata Incident was one of the causes of the Baltimore Crisis and is one of the reasons that Benjamin Harrison was not reelected to a second term as President of the United States.