Monocacy, MD


Date(s): July 9, 1864

Location: Please click on link below for map.

Monocacy National Battlefield, Maryland, United States

Campaign(s): Early’s Raid and Operations against the B&O Railroad [June-August 1864]

Battles in Campaign:



  • Union: Maj. Gen. Lew Wallace

  • Confederate: Lt. Gen. Jubal A. Early

Principal Forces:

  • Union: Corps

  • Confederate: Corps


  • After marching north through the Shenandoah Valley from Lynchburg, the Confederate army of Lt. Gen. Jubal A. Early side-stepped the Federal garrison at Harpers Ferry and crossed the Potomac River at Shepherdstown into Maryland on July 5-6.

  • On July 9, 1864, a makeshift Union force under Maj. Gen. Lew Wallace attempted to arrest Early’s invading Confederate divisions along the Monocacy River, just east of Frederick.

  • Wallace, joined by Ricketts’s Division of the VI Corps that had been rushed from the Petersburg lines, was outflanked by Gordon’s Division and defeated after putting up a stiff resistance.

  • Hearing of Early’s incursion into Maryland, Grant embarked the rest of the VI Corps on transports at City Point, sending it with all dispatch to Washington.

  • Wallace’s defeat at Monocacy bought time for these veteran troops to arrive to bolster the defenses of Washington.

  • Early’s advance reached the outskirts of Washington on the afternoon of July 11th, and the remaining divisions of the VI Corps began disembarking that evening.

  • Monocacy was called the “Battle that Saved Washington.”

Photo Gallery:2

The Battle of Monocacy - The Battle that Saved Washington

Marker with Monocacy National Battlefield Tour Map

Monocacy National Battlefield

Troop Movements to the Battlefield

Memorial to Southern Soldiers Who Fought at Monocacy

Confederates Under Jubal Early Invade Maryland

Best Family Farm

Federal Troops Under Maj. Gen. Lew Wallace Take a Stand

Monument to 14th Regiment New Jersey Volunteers

Monument to 14th Regiment New Jersey Volunteers

Monument to 14th Regiment New Jersey Volunteers

Gordon's Decisive Attack

Worthington House

Worthington-McKinney Ford - 11:00 am - 3:00 pm

Worthington House

McCausland's Attack - 11:30 am - 2:30 pm

Thick of the Battle - 4:00 - 4:30 pm

Federal Retreat - 4:30-5:00 pm

Thomas Farm

Thomas Farm

Gambrill Mill

Gambrill Mill Visitor Center

Cannon Outside the Visitor Center

Importance of Frederick Junction


Classification3: B

Casualties4: 2,359

  • Union:

  • Confederate:

Results: Confederate Victory Miniature Confederate Victory

Battlefield Website:  

Lodging and Restaurants: Maryland Tourism

Recommended Resources:

1 National Park Service summary.

2 Please click on the image to enlarge it. You may copy the images if you include the following note and link with each image: "Courtesy of"

3 Classification:

  • A - having a decisive influence on a campaign and a direct impact on the course of the war

  • B - having a direct and decisive influence on their campaign

  • C - having observable influence on the outcome of a campaign

  • D - having a limited influence on the outcome of their campaign or operation but achieving or affecting important local objectives

4 Casualties are someone killed, injured, wounded, captured or missing.

Revised 03/15/2013