The Union order of battle during the Battle of Gettysburg includes the American Civil War officers and men of the Army of the Potomac. Order of battle compiled from the army organization during the battle, the casualty returns and the reports.
The First Battle of Fort Fisher was a naval siege in the American Civil War, when the Union tried to capture the fort guarding Wilmington, North Carolina, the South's last major Atlantic port. Led by Major General Benjamin Butler, it lasted from December 24–27, 1864.
The following Union Army units and commanders fought in the Battle of Nashville of the American Civil War. Order of battle compiled from the army organization during the battle. The Union force was a conglomerate of units from several different departments provisionally attached to George H. Thomas’ Department of the Cumberland. The IV Corps and the District of Etowah were permanently attached to the Department of the Cumberland while the Cavalry Corps had been attached to the Army of the Cumberland until October 1864 when it was transferred to the Military Division of the Mississippi. The XXIII Corps was detached from the Department of the Ohio and Smith’s Corps was detached from the Department of the Tennessee. Other brigades and regiments from the Army of the Tennessee which were unable to rejoin their respective commands were organized into the Provisional Division and attached to the District of the Etowah.
The following Union Army units and commanders fought in the Battle of Antietam of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization during the Maryland Campaign, the casualty returns and the reports.
The following Union Army units and commanders fought in the Battle of Chancellorsville of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization during the battle, the casualty returns, and the reports.
The following Union Army units and commanders fought in the Siege of Vicksburg of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization during the campaign.
The following Confederate States Army units and commanders fought in the Battle of Spotsylvania Court House of the American Civil War. The Union order of battle is listed separately. Order of battle compiled from the army organization May 7–12, 1864, army organization May 13–25, 1864, the army organization during the Campaign and the reports.
The following Confederate States Army units and commanders fought in the Battle of Cold Harbor of the American Civil War. The Union order of battle is listed separately. Order of battle compiled from the army organization during the battle and the reports.
The following units and commanders of the Union Army fought at the Siege of Corinth of the American Civil War. The Union Army had approximately 150,000 present for duty. The Confederate order of battle is shown separately. Order of battle compiled from the army organization during the siege.
The following Union Army units and commanders fought in the Battle of Cold Harbor of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization May 31, 1864, army organization May 26-June 3, 1864, the casualty returns and the reports.
Charles Adam Heckman (1822-1896) was a brigadier general in the Union Army during the American Civil War. He fought in many of the early battles in North Carolina and later served in the Army of the James during the siege of Petersburg.
The following Confederate States Army units and commanders fought in the Bristoe campaign of the American Civil War. The Union order of battle is listed separately. Order of battle compiled from the army organization from September 30, 1863, the casualty returns and the reports.
The following is the organization of the Union forces engaged at the Siege of Port Hudson, during the American Civil War in 1863. The Confederate order of battle is listed separately.
The following Union Army units and commanders fought in the Second Battle of Petersburg of the American Civil War. Order of battle compiled from the casualty returns. The Confederate order of battle is listed separately.
The following Union Army units and commanders fought in the Battle of Fort Stevens of the American Civil War on July 11–12, 1864. The Confederate order of battle is listed separately.
The following Union Army units and commanders fought in the Siege of Charleston Harbor of the American Civil War. The Confederate order of battle is listed separately.
The following Union Army units and commanders fought in the Knoxville Campaign and subsequent East Tennessee operations during the American Civil War from November 4 to December 23, 1863 under the command of Maj. Gen. Ambrose E. Burnside. Engagements fought during this time included the battles of Campbell's Station and Fort Sanders and the siege of Knoxville. Order of battle compiled from the army organization during the campaign and return of casualties. The Confederate order of battle is shown separately.
The following Union Army units and commanders fought in the First Battle of Deep Bottom of the American Civil War. The Confederate order of battle is listed separately.
The following units and commanders fought in the Chattanooga–Ringgold campaign of the American Civil War on the Union side. The Confederate order of battle is shown separately. Order of battle compiled from the army organization during the campaign, the casualty returns and the reports.
The following Union Army units and commanders fought in the Appomattox campaign of the American Civil War. Order of battle compiled from the army organization during the campaign. The Confederate order of battle is shown separately.