Web Author's Notes:
This depiction of a battle scene at Vicksburg is by Thure de Thulstrup, titled "Siege of Vicksburg", dated 1888. Throughout the Internet, this picture has been described as showing the First Assault, Second Assault and the attack on Fort Hill (Vicksburg) on June 25, 1863. This website believes it is most likely showing a scene from the Second Assault on May 22, 1863.