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21 July in military history: First Battle of Bull Run, 1861

Military history · 21 July · American Civil WarFull calendar

Pencil and white wash drawing on green-gray paper: Union infantry with two flags stand massed on the left, mounted officers ride forward waving their hats, wounded men lie and are tended in the grass, and long lines of troops and clouds of gunsmoke rise along a ridge in the background.
Colonel Burnside's brigade at Bull Run, 21 July 1861: a drawing by Alfred R. Waud in pencil, Chinese white and ink wash on green paper, published in the New York Illustrated News on 5 August 1861. Public domain (Library of Congress: no known restrictions on publication). Library of Congress, via Wikimedia Commons.
Quick answer

On 21 July 1861 the Confederate armies of P. G. T. Beauregard and Joseph E. Johnston defeated Irvin McDowell's Union army along Bull Run, near Manassas Junction in Virginia. Thomas J. Jackson's brigade held Henry Hill and won him the name "Stonewall", and the Union retreat became a rout. In 1944 US Marines landed on Guam.

The First Battle of Bull Run, 1861: the war's first great shock

21 July 1861 · 165 years ago

Three months into the war, public pressure for a quick blow drove the Union army under Irvin McDowell toward the Confederate capital at Richmond. His raw troops marched on the rail junction at Manassas, where a Confederate army waited behind a stream called Bull Run.

Read the full story of The First Battle of Bull Run, 1861: the war's first great shock ›

Battle of the Pyramids, 1798: Bonaparte's squares break the Mamluks

21 July 1798 · 228 years ago

Near the village of Embabeh outside Cairo, Napoleon's French army met the Mamluk forces of Murad Bey during the French invasion of Egypt. French infantry squares withstood the cavalry charges and won, opening the road to Cairo.

Read the full story of Battle of the Pyramids, 1798: Bonaparte's squares break the Mamluks ›

Also on this day

1944: on the morning of 21 July the 3d Marine Division and the 1st Provisional Marine Brigade landed on Guam, at Asan and Agat. The 3d Marine Division's losses on its northern beachhead that day were 105 killed, 536 wounded and 56 missing.1

Frequently asked questions

Who won the First Battle of Bull Run?

The Confederates under Johnston and Beauregard. McDowell's army was driven from the field and fell back to Washington, but the Confederates were too disorganized to pursue.

Why is it called both Bull Run and Manassas?

Bull Run is the stream whose fords Beauregard's army held, and Manassas is the nearby railroad junction McDowell was marching to take.

How did Stonewall Jackson get his nickname?

During the fight on Henry Hill, Brigadier General Barnard Bee pointed to Jackson, or his brigade, standing like a stone wall. The words differ from one account to the next. Bee was mortally wounded in the fight.

How many men were killed or wounded at Bull Run?

The figures differ in scope. The Union lost between 460 and 481 killed and about 1,000 to 1,124 wounded, the Confederates between 369 and 387 killed and about 1,480 to 1,580 wounded, by the commanders' reports and the American Battlefield Trust.

What else happened on 21 July?

In 1944 the 3d Marine Division and the 1st Provisional Marine Brigade landed on Guam.

Notes

A number in the text points to a note; each note names the works that paragraph draws on, listed in full under Sources.

  1. O. R. Lodge, “The Recapture of Guam”; National Park Service, “U.S. Armed Forces Casualties - Battle of Guam”; Philip A. Crowl, “Campaign in the Marianas”. ↩

Sources

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