This Regiment was organized at Augusta, Me., Nov. 5th, 1861, for three years. Companies A, D, E and F, under command of Col. Allen, took their departure March 14th, 1862, arriving in Washington on the 19th; on the 20th, Companies B, I, H and M, under Major Douty, left Augusta, and arrived in Washington on the 24th, and were joined on the 28th by Companies C, G, K and L, under Major Stowell. Companies A, B, E, H and M, under Lieut. Col. Douty, joined Gen. Banks’ Corps at Strasburg, Va.., May 11th, and were assigned to Gen. Hatch’s Cavalry Brigade. The remaining seven companies were assigned to Gen. Abercombie’s Brigade, and shortly afterwards to Gen. Ord’s Division at Fredericksburg, Va.

On the 23d, Lieut. Col. Doughty with his command and two companies of the 1st Vermont Cavalry, made a charge on the enemy at Middletown, Va., losing 176 horses with as many horse equipments; and then assisted in covering Gen. Banks’ retreat to Williamsport by way of Winchester.

On the 10th of July, the companies under command of Lieut. Col. Douty joined the regiment at Warrenton, Va.; and on the 9th of August, the whole regiment, under the command of Col. Allen, attached to Bayard’s Brigade, took part in the battle of Cedar Mountain, Va. They retreated with Gen. Pope’s forces to Fairfax Court House, Va., where they arrived Sept. 3d, and reported to Gen. Reno, having had an engagement with the enemy at Brandy Station on the morning of Aug. 20th.

The regiment arrived at Washington, D. C., on the 4th of September, was attached to Burnside’s Corps, and participated on the 12th in the engagement at Frederick, Md., where the regiment (with the exception of Companies G. M and H) remained encamped, Col. Allen receiving the appointment on Military Governor.

Company G, acting as Gen. Reno’s body guard, participated in the battle of South Mountain, Md., on the 14th; and Companies M and H, under Gen. F. J. Porter, in that of Antietam on the 17th.

The total number of horses lost in action and worn out in service during the year amounting to nearly 700.

On the 23d, Lieut. Col. Doughty with his command and two companies of the 1st Vermont Cavalry, made a charge on the enemy at Middletown, Va., losing 176 horses with as many horse equipments; and then assisted in covering Gen. Banks’ retreat to Williamsport by way of Winchester.

On the 10th of July, the companies under command of Lieut. Col. Douty joined the regiment at Warrenton, Va.; and on the 9th of August, the whole regiment, under the command of Col. Allen, attached to Bayard’s Brigade, took part in the battle of Cedar Mountain, Va. They retreated with Gen. Pope’s forces to Fairfax Court House, Va., where they arrived Sept. 3d, and reported to Gen. Reno, having had an engagement with the enemy at Brandy Station on the morning of Aug. 20th.

The regiment was relieved from duty at Frederick, Md., on Nov. 2d, and Dec. 11th was assigned to Gen. Bayard’s Cavalry Brigade at Falmouth, Va., afterwards commanded by Gen. Gregg, under whose command the regiment remained until Feb. 20th 1863, when it was assigned to the 1st Brigade, 3d Division, Col. J. Kilpatrick commanding.

From April 13th to June 8th, the regiment was engaged in several reconnoissances and engagements, and on the 17th participated in the action at Aldie, Va., Col. Douty being killed while gallantly charging at the head of his men, also Capt. Summatt while rallying his men under a murderous fire of grape and canister.

On the 19th, the regiment was engaged at Middleburg, Va., Upperville, Va., on the 21st, and arrived at Gettysburg, Pa., July 2d, where it was engaged in a severe cavalry fight on the right of the Federal lines on the 3d.

At Sheppardstown on the 16th; the regiment went to the support of the pickets of the 10th N. Y., who were attacked by the enemy in large force, led by Gen. Stuart, and was engaged in a severe and hotly contested fight lasting till after dark.

From Aug. 24th to Dec. 23d, the regiment was engaged in several battles, skirmishes and reconnoissances.

From the latter date to Jan 1st, 1864, it was encamped near Bealton Station. Va., when they proceeded with the 2d Division Cavalry Corps to Front Royal returning on the 4th to Warrenton and there remained engaged in picket and other duties until Feb. 27th, on which day 300 men reported to Gen. Kilpatrick for duty in the expedition to Richmond, during which the detachment participated in several engagements with the enemy; returned by transports to Alexandria, Va., arriving there on the 12th of March, having lost during the raid, in killed, wounded and missing, 93 men and over 200 horses.

On the 7th and 8th of May, the regiment had a severe engagement with the enemy at Todd’s Tavern, and on the 9th the regiment moved with the Cavalry Corps on Gen. Sheridan’s first raid, until within three miles of Richmond, and went into camp near Pole Cat River, when the raid ended.

On the 2d of June, the regiment was engaged with the enemy on the Cold Harbor Road, when Chaplain Bartlett was instantly killed by a solid shot.

On the 11th, the regiment participated in the action at Trevillian’s Station, on the 24th, at St. Mary’s Church, losing in killed, wounded and missing, 10 officers and 58 enlisted men.

On the 28th of July, had a sharp engagement with the enemy near Malvern Hill.

On the 16th of Aug., participated in the engagement on the Charles County Road; at Dinwiddie Court House on the 23de, and at Reams’ Station on the 24th losing during the month of August, in killed, wounded and missing, 49 men and 75 horses.

During this month (August) seven companies of the 1st D. C. Cavalry were transferred and assigned to the several companies of this regiment by Special Order No. 17, War Dept. series of 1864.

In Oct., the regiment was engaged in the actions at Gravelly Creek and Boydton Plank Road, returning to camp near the Jerusalem Plank Road on the 29th, the casualties during the month being 11 killed, 55 wounded and 13 missing.

The original members of the regiment whose term of service expired Nov. 4th, 1864, were mustered out of the U. S. Service at Augusta, ME., Nov. 25th, 1864.

During the month of Dec., the regiment was engaged in scouting and picketing.

During the year 1864, the casualties in this regiment were as follows:

enlisted men killed in action or died from wounds, 69;

wounded, 202;

missing in action, 126.

Commissioned officers killed in action or died from wounds, 7;

wounded, 13;

missing in action, 4

On the 5th of Feb., 1865, the regiment started for Hatcher’s Run and returned on the 8th, remaining in camp until the 26th, on which day and the two following, it served as a support to the 9th corps in front of Petersburg.

On the 31st, being at Cat Tail Run, it participated in one of the most obstinately contested engagements of the campaign, losing one killed and four wounded commissioned officers, and 70 wounded and six enlisted men, missing.

It also participated in the closing battles of the war, and was mustered out of the U. S. service at Petersburg, Va., Aug. 1st, 1865, arriving at Augusta, Me., on the 9th, where the men were paid and finally discharged.