Bull's Gap TN033

1864-11-11 to 1864-11-13 · TN · Breckenridge's Advance into East Tennessee [November 1864] · frozen result: Confederate · NPS summary (as listed)

CWSAC description
In November 1864, Maj. Gen. John C. Breckinridge undertook an expedition into East Tennessee, anticipating that Confederate sympathizers would join his force and help drive the Yankees from the area. The Federals initially retired in front of this force and, on November 10, were at Bull's Gap on the East Tennessee & Virginia Railroad. The Confederates attacked them on the morning of the 11th but were repulsed by 11:00 am. Artillery fire continued throughout the day. The next morning, both sides attacked; the Confederates sought to hit the Union forces in a variety of locations but they gained little. The next day firing occurred throughout most of the day, but the Confederates did not assault the Union lines because they were marching to flank them on the right. Before making the flank attack, the Union forces, short on everything from ammunition to rations, withdrew from Bull's Gap after midnight on the 4th. Breckinridge pursued, but the Federals received reinforcements and foul weather played havoc with the roads and streams. Breckinridge, with most of his force, retired back to Virginia. This victory was a temporary Union setback in the Federal plans to rid East Tennessee of Confederate influence.

Command responsibility (ledger v2)

US: Alvan C. Gillem

Grade A under rule 2; echelon brigade.

Rule 2. Gillem's report has him posting his troops at Bull's Gap, directing the defence on the 11th-12th and deciding to evacuate on the 13th. Echelon: brigade (his report is headed 'Headquarters Brigade, Governor's Guard'). Ammen declined to reinforce him; no superior is shown directing the action. The live rank (Major General) is not adopted. Nothing contradicts the listing.

Brigadier General
arnold-cwsac-commanders, battle TN033, belligerent US, fullname Alvan C. Gillem; column rank · snapshot 6c587c298717…
moved to Bull’s Gap, Avhere I arrived at 7 a. m. of the 10th and posted my troops
or39-1-gillem-bulls-gap-selections-v1 · snapshot 2abdcb2f6a4f…
I determined to evacuate the gap on the night of the 13th
or39-1-gillem-bulls-gap-selections-v1 · snapshot 2abdcb2f6a4f…
Headquarters Brigade, Governor’s Guard
or39-1-gillem-bulls-gap-selections-v1 · snapshot 2abdcb2f6a4f…

Confederate: John C. Breckinridge

Grade A under rule 2; echelon unknown.

Rule 2. Breckinridge collected the force and arranged the attack of the 12th, and Gillem says Breckinridge and Duke led the assault on his left; Duke's command drove the rearguard in on the 11th (subordinate context). Echelon: a miscellaneous force he collected as department commander; no formation is named. Nothing contradicts the listing.

Major General
arnold-cwsac-commanders, battle TN033, belligerent Confederate, fullname John C. Breckinridge; column rank · snapshot 6c587c298717…
Maj. Gen. John C. Breckinridge undertook an expedition into East Tennessee
arnold-cwsac-battles, battle TN033; column description · snapshot 952b5d08402a…
An attack for the next morning was arranged as follows
or39-1-breckinridge-bulls-gap-selections-v1 · snapshot b73ba05d7c27…
led by Gen¬ erals Breckinridge and Duke, assaulted with great fury
or39-1-gillem-bulls-gap-selections-v1 · snapshot 2abdcb2f6a4f…

Side strength (ledger v3)

US: grade C, 1,880 (1,250–2,500)

basis_mixedopponent_estimate_pointsingle_inputwhole_engagement_leakage

InputClassPrintedBasisBoundCodesPassage
us-breck-2500C2,500unknownadversary_or_hearsay_estimatedossier claim reported-force-scope

Confederate: grade A, 2,400 (2,280–2,520)

basis_mixedcompiled_dependencederivation_unknownsingle_inputwhole_engagement_leakage

InputClassPrintedBasisBoundCodesPassage
cs-cwA2,400reported_engagedderivation_unknown
2,400
arnold-cwsac-forces, battle TN033, belligerent Confederate; column description · snapshot a462f6be964b…
cs-breck-1800bound1,800unknownlowerpartial_intervaldossier claim reported-force-scope
cs-ammen-1200C1,200unknownadversary_or_hearsay_estimatedossier claim reported-force-scope

Dossier claims

Draft dossier, revision breckinridge-tennessee-1864-review-correction-2026-09-25. Claims are extraction records with their quoted passages, not historical adjudication. JSON

information

supportedunresolved Gillem says he learned on the 8th that Breckinridge was advancing in superior force, and on the 10th that Vaughn was moving around to attack his rear; he says Ammen declined aid on the belief that only 1,200 were advancing. Breckinridge says the enemy had foolishly withdrawn his pickets, so his column passed Taylor's Gap without notice. Gillem says he saw enemy infantry arriving on the 13th.

Knowledge claimed by each commander; no message log inspected.

Vaughn’s force had passed around by Av ay of Warren sburg to attack me in rear aa hilst Breckin¬ ridge attacked me in front.
or39-1-gillem-bulls-gap-selections-v1, p.888 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
and declined fur¬ nishing any aid under the circumstances.
or39-1-gillem-bulls-gap-selections-v1, p.888 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
The enemy having foolishly withdrawn his pickets, we passed without opposition or notice through Taylor’s Gap
or39-1-breckinridge-bulls-gap-selections-v1, p.893 (OCR page markers; not checked against print) · snapshot b73ba05d7c27…
as I could see re-enforcements of infantry arriAing in the enemy’s camp
or39-1-gillem-bulls-gap-selections-v1, p.889 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…

logistics

supportedunresolved Gillem says his men had no bread for two days by the 12th and fought four days without bread or salt, that his ammunition for artillery and small-arms was almost exhausted, and that forage near the gap was gone and the horses were failing; he blames Ammen for not sending supplies. The frozen description likewise says the Union forces were short on everything from ammunition to rations.

Supply statements from the Union commander and a summary; no return inspected. Gillem's blame of Ammen is his statement.

my men having had none for tAA^o days.
or39-1-gillem-bulls-gap-selections-v1, p.889 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
My ammunition, both for artillery and small-arms, was almost exhausted
or39-1-gillem-bulls-gap-selections-v1, p.889 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
The forage in the vicinity having been exhausted, the horses Avere failing fast
or39-1-gillem-bulls-gap-selections-v1, p.889 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
fought for four days with¬ out bread or salt
or39-1-gillem-bulls-gap-selections-v1, p.889 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
short on everything from ammunition to rations
arnold-cwsac-battles, battle TN033; column description · snapshot 952b5d08402a…

objectives

supportedunresolved The frozen description says Breckinridge expected Confederate sympathizers to join him in driving Union forces from East Tennessee; Breckinridge says he advanced because the enemy was too close to Bristol. Gillem says Breckinridge had avowed an intention of recovering the territory lost by Vaughn, and that he appealed for help to save the railroad to Knoxville.

Stated aims from a summary and the two commanders.

anticipating that Confederate sympathizers would join his force and help drive the Yankees from the area.
arnold-cwsac-battles, battle TN033; column description · snapshot 952b5d08402a…
Think¬ ing the enemy too close to Bristol, I collected a miscellaneous force
or39-1-breckinridge-bulls-gap-selections-v1, p.892 (OCR page markers; not checked against print) · snapshot b73ba05d7c27…
tliat he had avowed his intention of re- coA^ering the territory lost by General Vaughn.
or39-1-gillem-bulls-gap-selections-v1, p.888 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
saving the railroad to Knoxville.
or39-1-gillem-bulls-gap-selections-v1, p.888 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…

outcome

disputedpost_outcome The frozen and live results read Confederate victory. Gillem says the attacks of the 11th and 12th, including Vaughn's attack on his rear, were repulsed, and that he evacuated the gap on the night of the 13th for want of bread, ammunition and forage. Breckinridge says his force on the mountain carried a line of works but the assault as a whole did not succeed, and that on the evening of the 11th his opponent's rearguard had been driven into the gap. The frozen description dates the withdrawal 'after midnight on the 4th'.

Retain the original result and engagement interval; later movements and campaign contribution are different measures. No new probabilities or individual causal credit. The Union withdrawal, not a successful assault, ended the frozen interval; the result field is kept. The frozen description's '4th' is inconsistent with the frozen dates and is not adopted. Breckinridge's 'evening of the 11th' for driving the rearguard into the gap conflicts with Gillem's arrival at the gap at 7 a.m. on the 10th and the attack on the morning of the 11th (printed '10th [11th]'); it is kept and not reconciled.

Confederate victory
arnold-cwsac-battles, battle TN033; column results_text · snapshot 952b5d08402a…
Confederate Victory
nps-tn033-v1, Results · snapshot f6f39226c692…
The atta(L of the enemy was handsomely repulsed by 11 a. m.
or39-1-gillem-bulls-gap-selections-v1, p.888 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
This attack Avas handsomely repulsed by Colonel Parsons Avith Kiiitli Tennessee CaA^alry
or39-1-gillem-bulls-gap-selections-v1, p.889 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
but the assault as a whole did not succeed
or39-1-breckinridge-bulls-gap-selections-v1, p.893 (OCR page markers; not checked against print) · snapshot b73ba05d7c27…
his rearguard Avas driven bY Duke’s command into Buir^ Gap.
or39-1-breckinridge-bulls-gap-selections-v1, p.892 (OCR page markers; not checked against print) · snapshot b73ba05d7c27…
on the CA^ening of the 11th of November
or39-1-breckinridge-bulls-gap-selections-v1, p.892 (OCR page markers; not checked against print) · snapshot b73ba05d7c27…
Avhere I arrived at 7 a. m. of the 10th
or39-1-gillem-bulls-gap-selections-v1, p.888 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
Avhen the enemy attacked me on the morn¬ ing of the 10th [11th].
or39-1-gillem-bulls-gap-selections-v1, p.888 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
withdrew from Bull's Gap after midnight on the 4th.
arnold-cwsac-battles, battle TN033; column description · snapshot 952b5d08402a…

disputedpost_outcome The frozen casualty field reads 'Total unknown (US 241; CS unknown)'; the live field reads 424 (US 324; CS 100). For the frozen interval Gillem reports only enemy dead: 27 left in front of his lines on the 12th and 1 captain and 8 privates after Vaughn's rear attack. His loss in the retreat of the 14th (6 guns, 61 wagons read 'G1', 71 ambulances, about 300 horses and probably about 150 men) and Breckinridge's about 300 prisoners in the night attack belong to the context action.

Original casualty returns were not inspected; preserve totals, categories, cutoffs and differences. No canonical reconciliation or casualty-based opening count; related actions must not be added without resolving population overlap. No inspected source gives the frozen Union 241 or the live figures; the retreat losses are outside the interval and are not added.

Total unknown (US 241; CS unknown)
arnold-cwsac-battles, battle TN033; column casualties_text · snapshot 952b5d08402a…
424 total (US 324; CS 100;)
nps-tn033-v1, Estimated Casualties · snapshot f6f39226c692…
who left 27 dead and many wounded in front of our lines.
or39-1-gillem-bulls-gap-selections-v1, p.889 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
1 captain and 8 privates dead on the field.
or39-1-gillem-bulls-gap-selections-v1, p.889 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
My loss in this retreat was 6 jiieces of artillery with caissons com- ]dete, G1 wagons, 71 ambulances, about 300 horses, and probably about 150 men.
or39-1-gillem-bulls-gap-selections-v1, p.891 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
about 300 prisoners
or39-1-breckinridge-bulls-gap-selections-v1, p.893 (OCR page markers; not checked against print) · snapshot b73ba05d7c27…

responsibility

supportedunresolved The frozen commanders are Major General John C. Breckinridge and Brigadier General Alvan C. Gillem; the live page styles Gillem Major General. Breckinridge says an attack for the next morning (the 12th) was arranged, with the artillery and dismounted cavalry under Crittenden in front, Vaughn in the rear and himself to lead Duke's and other dismounted men on the mountain; Gillem says Breckinridge and Duke led the assault on his left, and that he himself determined to evacuate the gap on the night of the 13th.

Command roles from the two commanders; the listed commanders do not receive automatic sole credit, and the live rank is not adopted.

Major General
arnold-cwsac-commanders, battle TN033, belligerent Confederate, fullname John C. Breckinridge; column rank · snapshot 6c587c298717…
Brigadier General
arnold-cwsac-commanders, battle TN033, belligerent US, fullname Alvan C. Gillem; column rank · snapshot 6c587c298717…
Major General Alvan Gillem [US]
nps-tn033-v1, Principal Commanders · snapshot f6f39226c692…
An attack for the next morning was arranged as follows
or39-1-breckinridge-bulls-gap-selections-v1, p.892 (OCR page markers; not checked against print) · snapshot b73ba05d7c27…
General Yaugbn, with his command, was to attack in rear
or39-1-breckinridge-bulls-gap-selections-v1, p.893 (OCR page markers; not checked against print) · snapshot b73ba05d7c27…
led by Gen¬ erals Breckinridge and Duke, assaulted with great fury
or39-1-gillem-bulls-gap-selections-v1, p.889 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
I determined to evacuate the gap on the night of the 13th
or39-1-gillem-bulls-gap-selections-v1, p.889 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…

strength

unknownunresolved

No inspected return establishes matched personnel at a common opening boundary. Imported numerical estimates remain unchanged; this pass does not validate them as simultaneous opening forces.

disputedunresolved The frozen force field names Gillem's Governor's Guard brigade and gives the Confederate department force as approx. 2,400 (side bound 2,400); the live field reads '0 total (US ; CS ;)'. Breckinridge says he advanced with a miscellaneous force of about 1,800 men and six howitzers, later joined by Palmer's mixed force of some 600 (read 'GOO' in OCR), against an enemy of about 2,500 with six guns. Gillem says he learned Breckinridge was advancing with a force much superior to his, that Ammen told others the attackers were just 1,200, and that at Morristown on the 14th the enemy numbered probably 2,500 to 3,000.

Each commander's figure for his own side and estimates of the other, at different dates; Gillem gives no count of his own brigade in the selected report. None is adopted as a matched opening strength. The live blank is not measured absence.

Governor's Guard Brigade, State of Tennessee [US]; Department of Western Virginia and East Tennessee (approx. 2,400) [CS]
arnold-cwsac-battles, battle TN033; column forces_text · snapshot 952b5d08402a…
2400
arnold-cwsac-forces, battle TN033, belligerent Confederate; column strength_min · snapshot a462f6be964b…
0 total (US ; CS ;)
nps-tn033-v1, Forces Engaged · snapshot f6f39226c692…
amounting to about 1,800 men, Acith four 12-pounder and two G-pounder hoAvitzers
or39-1-breckinridge-bulls-gap-selections-v1, p.892 (OCR page markers; not checked against print) · snapshot b73ba05d7c27…
sonie GOO men.
or39-1-breckinridge-bulls-gap-selections-v1, p.892 (OCR page markers; not checked against print) · snapshot b73ba05d7c27…
The force of the enemy Avas about 2,500 strong, Avith six pieces of artillery and a large Avagon train.
or39-1-breckinridge-bulls-gap-selections-v1, p.892 (OCR page markers; not checked against print) · snapshot b73ba05d7c27…
advancing with a force much superior to mine
or39-1-gillem-bulls-gap-selections-v1, p.888 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
there AA^ere just 1,200
or39-1-gillem-bulls-gap-selections-v1, p.888 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
numbering probably fr om 2,500 to 3,000 men.
or39-1-gillem-bulls-gap-selections-v1, p.891 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…

terrain

supportedunresolved Gillem says he posted his troops at the gap for defense front and rear and strengthened the position with the few axes he had; the assault of the 12th reached the rude works on the ridges of his left. Breckinridge says his dismounted force ascended the mountain to move down on the enemy's left and carried a line of works, and that he later turned the gap through Taylor's Gap, two and a half miles below.

Ground and works described by the two commanders; no map verification. The works were thrown up on the 10th, so the phase is left unresolved.

posted my troops Avith a view to defense both from front and rear.
or39-1-gillem-bulls-gap-selections-v1, p.888 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
I strengthened my ]X)sition as much as i)ossible with the few axes at my disposal.
or39-1-gillem-bulls-gap-selections-v1, p.888 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
many of them actually entering the rude works behind which our troops were posted
or39-1-gillem-bulls-gap-selections-v1, p.889 (OCR page markers; not checked against print) · snapshot 2abdcb2f6a4f…
I was to ascend the mountain and move down on the enemy’s left.
or39-1-breckinridge-bulls-gap-selections-v1, p.893 (OCR page markers; not checked against print) · snapshot b73ba05d7c27…
The force on the mountain succeeded in carrying a line of works
or39-1-breckinridge-bulls-gap-selections-v1, p.893 (OCR page markers; not checked against print) · snapshot b73ba05d7c27…
through Taylor’s Gap, about two miles and a half below Bull’s Gap
or39-1-breckinridge-bulls-gap-selections-v1, p.893 (OCR page markers; not checked against print) · snapshot b73ba05d7c27…

Open questions