Sunday August 25 1861

• Operations against Indians about Fort Stanton, the New Mexico Territory, by Lieut. John R. Pulliam, CSA. (Aug 25-Sep 8)
• Federal scout into Virginia from Great Falls, MD.
• Skirmish with the Apache Indians near Fort Bliss, TX, by Lieut. Col. John R. Baylor, CSA.
• Skirmish near Piggot's Mill (Big Run), WV, with Brig. Gen. Henry A. Wise, CSA; while his camp is severely disabled by measles.

Monday August 25 1862

• John Potts Slough, USA, is appointed Brig. Gen.
• Skirmish at Madisonville, KY.
• Skirmish at Red Bird Creek, KY.
• Skirmish at Bolivar, MS.
• Fearing further Sioux Indian attacks, New Ulm, MN, is evacuated by the citizens and the Federal garrison there.
• Skirmish at Fort Donelson, TN.
• Skirmish at Sulphur Springs, VA.

Tuesday August 25 1863

• Jeremy Francis Gilmer, CSA, is appointed Brig. Gen.
• William Andrew Quarles, CS A, is appointed Brig. Gen.
• Skirmish at Brownsville, AR.
• Because of the William C. Quantrill massacre at Lawrence, KS, Brig. Gen. Thomas Ewing, USA, at Kansas City, KS, orders all residents of Bates, Cass and Jackson counties, KS, to leave, allowing citizens loyal to the Union to remain at military posts.
• Skirmishes near Hopewell, MO, with William C. Quantrill. (Aug 25-26)
• Skirmish near Independence, MO.
• Federal scout from Sedalia, and skirmish (Aug 26) at Clear Fork, MO. (Aug 25-28)
• Skirmish near Waynesville, MO.
• The Union assault and failure on the Confederate rifle-pits, Battery Wagner on Morris Island, SC.
• Skirmish at Hartwood Church, Rappahannock River, VA.
• Skirmish near Lamb's Ferry, Chickahominy River, VA, as the landing party from a Union gunboat is driven back, by Brig. Gen. Henry A. Wise, CSA, commanding.
• Federal reconnaissance to Covington and the destruction of the saltpeter-works on Jackson's River, WV, by Brig. Gen. William W. Averell, USA.

Thursday August 25 1864

• Skirmishes at Morgan's Ferry and on the Atchafalaya River, LA.
• Federal scout to Crisp's Mill, on Big Creek, MO, with skirmishes near Rose Hill. (Aug 25-30)
• Federal scout in Platte County, MO. (Aug 25-30)
• Federal operations on the Texas Prairie, in Jackson County, MO, against guerrillas. (Aug 25-30)
• Federal scouts in Jackson and Cass Counties, MO, with skirmish near Pleasant Hill (Aug 26) with bushwackers. (Aug 25-29)
• The CSS Tallahassee, refueling in Nova Scotia, and after three weeks at sea and capturing 31 Union vessels, slips through the blockade at Wilmington, NC.
• The Battle of Reams' Station, on the Weldon Railroad, VA, as Lieut. Gen. Ambrose P. Hill, CSA, attacks the 2nd US Army Corps under Maj. Gen. Winfield Scott Hancock, USA, who are in the process of destroying the Weldon Railroad. Hill retreats back to Petersburg, VA. Total casualties approximate 3,100, the Richmond, VA, Campaign.
• Skirmish at Halltown, WV, as Lieut. Gen. Jubal Early, CSA, threatens to invade the north again.
• Action near Kearneysville, WV, the Shenandoah Valley, VA, Campaign.
• Action near Shepherdstown, WV, the Shenandoah Valley, VA, Campaign.

Friday August 25 1865