[3] The regiment was attached to Major General Irvin McDowell's corps on the Rappahannock River line during the Peninsula Campaign.

[4] He served with distinction in the Cavalry Corps, Army of the Potomac in brigade and three brief periods of temporary division command[5] until the end of the war.

Davies was one of the few nonprofessional soldiers in the Union cavalry in the Eastern theater of the Civil War to be promoted to the grade of general.

[8] During the Overland Campaign, Davies's brigade participated in cavalry corps commander, Major General Philip Sheridan's May 1864 raids toward Richmond, Virginia and in the Battle of Trevilian Station in June 1864.

[3] At the Battle of Haw's Shop on May 28, 1864, Davies's saber was cut in half by a Minié ball and his horse's tail was shot off.

[13] On March 26, 1865, Major General George Crook was appointed commander of the 2d Cavalry Division of the Army of the Potomac to replace Gregg.

The brigade also was engaged in the Appomattox campaign, including its role as the main Union force in the Battle of Amelia Springs, Virginia in which the brigade, near Paineville, Virginia, destroyed about 200 wagons of a Confederate supply train, captured equipment and animals and took more than 300 and perhaps as many as 1,000 prisoners and several battle flags.

[17] Following the war, Davies stayed in the army briefly, but resigned on January 1, 1866, while commanding the military Middle District of Alabama.

"[11] General Davies died suddenly on September 7, 1894, while visiting friends in Middleboro, Massachusetts and was buried in St. Luke's Churchyard in Beacon, New York.