The process of disembarking progressed rapidly, and the divisions were marched through the city to a field about a mile beyond its limits, where we encamped near Fort Ellsworth.
Although this was on Sunday morning, and it was known that Pope's army was fighting the enemy even before we left the Peninsula, and was in need of reinforcements; yet no signs of marching occurred until Thursday.
Let us now turn back for a moment and hastily glance at the movements of General Pope and his army, which had now for several days been actively engaged. The battle of Cedar Mountain was fought on Saturday, August 9th. General Banks, pushing his corps toward Cedar Mountain, and, finding the enemy in his front, had boldly attacked him. The confederate forces were led by General Jackson, and outnumbered the forces under General Banks. The field was hotly contested for an hour and a half, when our forces were obliged to fall back; but being reinforced by Rickett's division, they were able to prevent the enemy from occupying the field. During the night, Jackson withdrew his forces, leaving the ground in our hands, which was at once occupied by the Union forces.
The whole of Sunday was occupied in burying the dead and bringing off the wounded of both armies. Our men had behaved with great bravery, and the gallantry and zeal of General Banks was what might have been expected from that general. The field was yet in our hands; yet the battle could hardly be called a decided victory for our arms. Jackson retreated rapidly across the Rapidan, in the direction of Gordonsville, leaving many dead and wounded along the road from Cedar Mountain to Orange Court House. Except to follow up the enemy with cavalry as far as Orange Court House, no important move was made for several days by the forces under General Pope.
Reinforcements were constantly arriving for Jackson, and it became evident, by the 18th, that nearly the whole of Lee's army was assembling in front of General Pope, along the south side of the Rapidan. Among papers captured from the enemy at this time, was an autograph letter from General Robert Lee to General Stuart, stating his determination to overwhelm General Pope's army before it could be reinforced by any portion of the army of the Potomac.
The whole army was now ordered to fall back and occupy a stronger position behind the Rappahannock. The movement was executed on the 18th and 19th of August, without loss; the new line extending from Kelley's Ford to a point three miles above Rappahannock Station. The enemy appeared next day at the various fords, but, finding them strongly guarded, waited for all their forces to arrive from the Rapidan.
The whole of the 21st and 22d were spent by the enemy in efforts to cross the river, and a fierce artillery duel prevailed along the line for more than seven miles in extent, but the rebels were repulsed at every point, and withdrew with the intention of moving up the river and turning the flank of the Union army.
General Pope, appreciating the danger of this movement on the part of the rebels, telegraphed to Washington, and, in reply, was assured that, if he could hold out two days longer, he should be so strongly reinforced as to enable him, not only to hold his position, but to take the offensive.
It is needless to say that, with the exception of one or two small divisions, no reinforcements reached him within that time; and although General Porter reported to him by letter from Bealton on the 25th, it had been better for General Pope had he not come at all. On the night of the 26th, Jackson, coming through Thoroughfare Gap, got in the rear of Pope's army and cut the railroad at Kettle Run, near Warrenton Junction. Lee was still in front, in the vicinity of Sulphur Springs. General Pope, desiring at the same time to fall back toward Centreville and interpose his army between Jackson's and Lee's forces, ordered a retrograde movement. His troops were by this time fairly exhausted. In his report to the Secretary of War, he says: "From the 18th of August, until the morning of the 27th, the troops under my command had been continually marching and fighting night and day; and during the whole of that time there was scarcely an interval of an hour without the roar of artillery. The men had had little sleep, and were greatly worn down with fatigue; had had little time to get proper food or to eat it; had been engaged in constant battles and skirmishes, and had performed services, laborious, dangerous and excessive, beyond any previous experience in this country." Jackson had succeeded in burning fifty cars at Bristow Station, and a hundred more at Manassas Junction, heavily laden with ammunition and supplies. On the afternoon of the 27th, a severe engagement occurred between Hooker's division of Heintzelman's corps, which had arrived the evening before, and Ewell's division of Longstreet's corps, near Bristow Station. Ewell was driven back; the loss on each side being about three hundred. During the night, General McDowell with his corps, and Generals Reno and Kearney with their divisions, took such positions as effectually to interpose between Jackson's forces and Lee's, and no alternative was left Jackson but to turn upon Hooker and rout him, or to retreat by way of Centreville. Hooker's men had exhausted their ammunition, so that there were but five rounds per man left. General Pope, fearing that Hooker would be attacked, dispatched an aide to General Porter with orders to join Hooker at once. The aide was instructed to inform General Porter of the immediate necessity of moving at once, and to remain and guide him to the place. But Porter utterly refused to obey the order. Most fortunately for our army, Jackson, ignorant of Hooker's weakness, determined to retreat by way of Centreville; a mistake which prevented most serious consequences to us. Jackson in his retreat was hotly pursued, and on the 28th a severe battle took place between McDowell's corps and the retreating column, in which our forces gained decided advantages. On the 29th, Jackson was again near the old Bull Run battle-ground, and a terrific battle ensued, which lasted with great fury from daylight until dark. The rebels were driven from the field, which was occupied by our men. General Pope sent peremptory orders to Fitz John Porter to move at once upon Centreville; which would have cut off Jackson's retreat; but again this commander refused to obey orders, and Jackson was enabled to unite with Lee, who had by this time reached Thoroughfare Gap, and was pushing on toward him. Had the orders of General Pope been carried out, Jackson must without doubt have been crushed before Lee's forces could by any possibility have reached the field of action.
On the following day the whole of both armies were brought face to face with each other. General Pope, by this time hopeless of any aid from the fresh troops he had expected long before this from Washington, and aware of the disaffection of the largest and freshest corps in his command, although nearly discouraged, determined to give battle and inflict as much damage as possible upon the enemy. His force now, including Porter's corps, was about forty thousand. The whole of Lee's and Jackson's forces now pressed upon our lines with terrible effect.