Sunday August 4 1861

• The Honorable Thomas A. R. Nelson is arrested on his way to the Union lines by the Confederate soldiers, TN.

Monday August 4 1862

• Confederate attack on Union pickets near Woodville, AL, (Aug 4) and a Federal reconnaissance from Woodville to Guntersville, AL. (Aug 5-7).
• Federal expedition from Helena to Clarendon, AR. (Aug 4-17)
• President Lincoln declines the offer of two black Indiana regiments, suggesting they be used as laborers instead.
• Federal reconnaissance from Jacinto to Bay Springs, MS, and skirmish. (Aug 4-7)
• Skirmish at Gayoso, MO.
• Federal scout on Sinking Creek, MO, about 25 miles southeast of Salem, MO, with the Federals surprising the Rebels. (Aug 4-11)
• Skirmish on White River, near Forsyth, MO.
• Federal reconnaissance from Coggins Point beyond Sycamore Church, and White Oak Swamp Bridge, VA. (Aug 4-5)
• Maj. Gen. James Ewell Brown Stuart's CSA, Cavalry expedition from Hanover Court-House to the vicinity of Fredericksburg, VA. (Aug 4-8)
• Maj. Gen. Ambrose E. Burnside, USA, arrives with his forces from North Carolina at Aquia Creek, north of Fredericksburg, VA, to assist Maj. Gen. John Pope, USA, in the defense of the anticipated advance of the Confederates under Gen. Robert E. Lee, CSA.

Tuesday August 4 1863

• The following are appointed Union Brigadier Generals:
  • Jasper Adalmorn Maltby, USA
  • Samuel Allen Rice, USA
  • John Benjamin Sanborn, USA
  • Giles Alexander Smith, USA
  • Charles Robert Woods, USA
• Affair at the mouth of Vincent's Creek, SC, as Confederates are transported to skirmish with the Federals, capturing several and killing others.
• Federal reconnaissance to Rock Island Ferry, TN. (Aug 4-5)
• Skirmish at Amissville, VA.
• Skirmish at Brandy Station, VA, with Brig. Gen. John Buford, USA, commanding the 1st Cavalry Division, the 1st US Army Corps.
• Federal expedition to Fairfax Court-House, VA.
• Federal army and naval reconnaissance on the James River, VA, to about 14 miles below Fort Darling, when the gunboat Barney strikes a torpedo and is forced to retire. The ironclad, Sangamon, and the tug, Chassett also assisted. (Aug 6) (Aug 4-7)
• Skirmish at Burlington, WV.

Thursday August 4 1864

• John Calvin Brown, C.S.A., is appointed Maj. Gen.
• Bryan Morel Thomas, CSA, is appointed Brig. Gen.
• Skirmish at Antietam Ford, MD, with Brig. Gen. John McCausland's, Confederate Cavalry.
• Federal expedition from Natchez, MS, to Gillespie's Plantation, LA, about 5 miles below Vidalia and 5 miles east of Trinity, with skirmish. (Aug 4-6)
• Federal scout from Fort Union Nation, the New Mexico Territory, where they begin to move against the Kiowas and Comanches Indian tribes. (Aug 4-Sep 15)
• Federal operations in the vicinity of Brazos Santiago, TX, with skirmish at Point Isabel (Aug 9). (Aug 4-15)
• Skirmish at Tracy City, TN.
• Action near Harrison's Landing, VA, the Richmond, VA, Campaign.
• Action at New Creek, WV, with Brig. Gen. William W. Averell's, USA, Cavalry command defeating the Rebels, capturing men, property, etc., and reporting back to Maj. Gen. Philip H. Sheridan, USA, in the Shenandoah Valley, near Harper's Ferry.

Friday August 4 1865