1807-1870 1847-1915 1861-1865 1862 1863 1864 battleof battleof(maryland:1862) campaigns chancellorsville childsoldiers civilwar coldharbor commandoftroops cook fredericksburg gettysburg history john juvenile lee marylandcampaign medalofhonor militarycampaigns militaryleadershiplee participation schlacht shiloh unitedstates