Historedia
Person

George B. McClellan

Events
8
Episodes
22
Years
1861–1864

Every event in Historedia whose sources name George B. McClellan, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

  1. American Civil War: Secession, Bull Run and the Union response, May–August 1861

    1861

    Role: Commander of the Army of the Potomac

    1. July 12, 1861 · Boggy Depot, Indian TerritoryConfederate Treaty with Choctaws and Chickasaws

      The Confederacy signed a treaty with the Choctaws and Chickasaws in Indian Territory on July 12, 1861.

    2. July 13, 1861 · Corrick's FordBattle of Corrick's Ford

      Union forces won the Battle of Corrick's Ford on July 13, 1861, in western Virginia.

    3. July 21, 1861 · Manassas, VirginiaFirst Battle of Bull Run

      The first major battle of the Civil War ended in a Confederate victory on July 21, 1861.

  2. Union command reshuffle and Confederate political consolidation, November–December 1861

    1861

    Role: General-in-chief of Union armies

    1. November 1861 · Confederate government (unlocated)Benjamin Appointed Secretary of War

      Judah P. Benjamin was appointed Confederate Secretary of War in late 1861, while continuing to act as Attorney General until November 15, 1861.

    2. 1 November 1861 · Washington, D.C.McClellan Appointed General-in-Chief

      George B. McClellan became general-in-chief of all Union armies on November 1, 1861, following Winfield Scott's retirement.

    3. 6 November 1861 · Confederate States (election held across states)Davis Elected Confederate President

      Presidential elections were held in the Confederate States on November 6, 1861, resulting in Jefferson Davis's election.

    4. 9 November 1861 · Western Department (unlocated)Western Department Discontinued After Command Change

      David Hunter replaced John C. Frémont in the Western Department; the department itself was discontinued on November 9, 1861.

    5. 28 November 1861 · Richmond, VirginiaMissouri Admitted to Confederacy

      The Confederate Congress admitted Missouri as the 12th Confederate state on November 28, 1861.

    6. 10 December 1861 · Frankfort, KentuckyKentucky Admitted to Confederacy

      Kentucky was admitted to the Confederacy on December 10, 1861, recognizing its provisional government.

    7. 21 December 1861 · Washington, D.C.Navy Medal of Honor Resolution Signed

      President Lincoln signed Public Resolution 82 on December 21, 1861, creating a Navy Medal of Honor.

  3. Winfield Scott resigns as Commander of the United States Army

    1861–1862

    Role: General-in-chief of the Union armies

    1. October 1861 · Washington, D.C.Scott's Resignation

      Winfield Scott submitted his resignation in October 1861, frustrated with his diminished standing; his retirement took effect on November 1, 1861.

    2. 1 November 1861 – 11 March 1862 · Washington, D.C.McClellan Succession

      George B. McClellan became general-in-chief of all Union armies on November 1, 1861, following Scott's retirement.

  4. Battle of Fair Oaks (Seven Pines)

    1862

    Role: Union Commander

    1. May 31 – June 1, 1862 · Henrico County, VirginiaBattle of Seven Pines

      Fighting occurred on May 31 and June 1, 1862, in Henrico County, Virginia, resulting in an inconclusive outcome claimed as a victory by both sides.

  5. Lee's invasion of Maryland: Second Bull Run to Antietam and the preliminary Emancipation Proclamation

    1862

    Role: Union General

    1. August 28–30, 1862 · Prince William County, VirginiaSecond Battle of Bull Run

      Confederate forces defeated Union General John Pope's Army of Virginia in August 1862, damaging Union morale.

    2. September 1, 1862 · Fairfax County, VirginiaBattle of Chantilly

      The concluding battle of the Northern Virginia Campaign occurred on September 1, 1862, in Fairfax County.

    3. September 17, 1862 · Near Antietam Creek and Sharpsburg, MarylandBattle of Antietam

      Union forces engaged Confederate troops near Sharpsburg, Maryland, on September 17, 1862, providing Lincoln a military victory.

    4. September 22, 1862 · Washington, D.C.Preliminary Emancipation Proclamation

      Lincoln issued the Preliminary Emancipation Proclamation on September 22, 1862, citing his authority as Commander-in-Chief.

    5. October 10–12, 1862 · Chambersburg, PennsylvaniaStuart's Raid on Chambersburg

      Confederate cavalry raided Chambersburg, Pennsylvania, in October 1862, following the Maryland campaign.

  6. Seven Days Battles open at Mechanicsville

    1862

    Role: Commander of the Army of the Potomac

    1. June 26, 1862 · Hanover County, VirginiaBattle of Mechanicsville

      Confederate forces under Lee attacked Union troops at Beaver Dam Creek on June 26, 1862, initiating the Seven Days Battles near Richmond.

  7. Siege of Yorktown opens the Peninsula Campaign

    1862

    Role: Union Army Commander

    1. April 5–May 4, 1862 · Siege siteSiege of Yorktown

      Union forces besieged Confederate defenses on the Virginia Peninsula from April 5 to May 4, 1862, marking the start of the Peninsula Campaign.

  8. 1864 United States presidential election

    1864

    Role: Democratic Party nominee

    1. June 7–8, 1864 · Baltimore, MarylandNational Union Party Nomination

      Lincoln secured the National Union Party nomination in Baltimore, overcoming intra-party opposition from Chase and Radical Republicans.

    2. November 8, 1864 · United StatesElection Day

      Presidential elections were held on November 8, 1864, near the end of the Civil War.

Sources

  1. First Battle of Bull Run Wikipedia, revision of 2026-10-05
  2. George B. McClellan Wikipedia, revision of 2026-09-27
  3. Second Battle of Bull Run Wikipedia, revision of 2026-09-05