April 2 – The Fightingest General – A.P. Hill is killed in front of Richmond (1865)
April 24 – Jus in Bello – The Lieber Code is issued (1863)
April 2 – The Fightingest General – A.P. Hill is killed in front of Richmond (1865)
April 24 – Jus in Bello – The Lieber Code is issued (1863)