Near this site on May 1, 1862, the Battle of the Henry Clark House occurred as Lieutenant Colonel Rutherford B. Hayes’ 23rd Ohio Volunteer Infantry engaged Confederates under Colonel Walter Jenifer. Captain Richard B. Foley, commanding the “Flat Top Copperheads,” the “eyes and ears” of area Confederate forces, was severely wounded in the fighting. Forced to retreat, the Confederates burned Princeton.