March 2 – U.S. Grant named General-in-Chief of Union armies.
March 9 – Ulysses S. Grant receives formal promotion to Lt. General, the highest rank, only previously held by President George Washington.
March 18 – William T. Sherman assumes command of Union forces in the West.
March 25 – Union General Banks begins Red River campaign.
The Civil War Gazette Civil War Timeline is a linear, chronological look at the important events related to the American Civil War, fought between April 1861 and April 1865. The timeline includes major battles and skirmishes, significant political events impacting the war, deaths of major military figures, as well as details of important battles including casualty numbers.