Following the bombardment of Fort Sumter , Sill resigned his teaching position .
Following the bombardment of Fort Sumter , Sill offered his services to the Governor of Ohio , who appointed him Assistant Adjutant General of the State in May 1861 .
Following the bombardment of Fort Sumter , Sill resigned his teaching position and offered his services to the Governor of Ohio , who appointed him Assistant Adjutant General of the State in May 1861 .