Also Known As
- Battle of Mechanicsville
- Battle of Ellerson’s Mill
Date and Location
- June 26, 1862
- Hanover County, Virginia, near Richmond
Campaign
Principal Union Commanders
- Major General George B. McClellan
- Brigadier General Fitz John Porter
Principal Confederate Commanders
- General Robert E. Lee
- Major general A.P. Hill
Union Forces Engaged
- Army of the Potomac
Confederate Forces Engaged
- Army of Northern Virginia
Number of Union Soldiers Engaged
- Roughly 15,000
Number of Confederate Soldiers Engaged
- Roughly 16,000
Estimated Union Casualties
- fewer than 400 soldiers
Estimated Confederate Casualties
- 1,400 soldiers
Results
- Union victory
Timeline of the Peninsula Campaign
These are the main battles and events of the Peninsula Campaign in order. The battles that occurred from June 25 to July 1, 1862, are collectively known as the Seven Days Battles.
- March 8–9, 1862 — Battle of Hampton Roads
- April 5–May 4, 1862 — Siege of Yorktown
- May 5, 1862 — Battle of Williamsburg
- May 15, 1862 — Battle of Drewry’s Bluff
- May 31–June 1, 1862 — Battle of Seven Pines
- June 25, 1862 — Battle of Oak Grove
- June 26, 1862 — Battle of Beaver Dam Creek
- June 27, 1862 — Battle of Gaines’ Mill
- June 29, 1862 — Battle of Savage’s Station
- June 30, 1862 — Battle of Glendale
- July 1, 1862 — Battle of Malvern Hill