sentences:  The only Civil War battle fought in Indiana occurred in Harrison County on July 9, 1863, between the Harrison County Legion and a Confederate group under Brigadier General John Hunt Morgan, during Morgan's Raid.Morgan crossed the Ohio River into Harrison County in the early hours of daylight, resisted by artillery fire from the Indiana shore and an armed river boat.Confederate artillery returned fire from the opposite shore, and the Legion retreated towards Corydon.