Wednesday September 18 1861

• William Thomas Ward, USA, is appointed Brig. Gen.
• Capt. Samuel Francis DuPont, USN, assumes command of the South Atlantic Blockading Squadron.
• Brig. Gen. Simon Bolivar Buckner, CSA, assumes the command of the Confederate Central Division of Kentucky.
• Bowling Green, KY, is occupied by the Confederates.
• Federal agents seize employees of a Louisville, KY, newspaper, accused of writing Pro-Southern newspaper articles.
• Skirmish near Berlin, MD.
• Brig. Gen. Paul Octave Hebert, CSA, assumes the command of the Confederate Dept. of Texas.

Thursday September 18 1862

• Maj. Gen. Joseph Ring Fenno Mansfield, USA, dies near Sharpsburg, MD, from his battle wound received the previous day.
• The CSS Alabama continues to destroy Federal whaling vessels, near the Azores, Atlantic Ocean, including the Altahama, Courser, Elisha Dunbar, Benjamin Tucker, and the Virginia.
• Skirmish near Cave City, KY.
• Skirmish near Florence, KY.
• Affair at Glasgow, KY, with the capture of many Confederates.
• Skirmish at Owensborough, KY.
• Skirmish at Rienzi, MS.
• Brig. Gen. James H. Carleton, USA, relieves Brig. Gen. Edward R. S. Canby in command of the Dept. of New Mexico.
• Operations about Forts Henry and Donelson, TN, and skirmish. (Sep 18-23)
• The Confederate Army of Northern Virginia recrosses the Potomac River near Shepherdstown, WV after losing thousands of men at Antietam, MD. (Sep 18-19)

Friday September 18 1863

• Edmund Winston Pettus, CSA, is appointed Brig. Gen.
• Thomas Neville Waul, CSA, is appointed Brig. Gen.
• Skirmishes at Pea Vine Bridge, Alexander's and Reed's Bridges, Dryer's Ford, Spring Creek, and near Stevens' Gap, GA, as Gen. Braxton Bragg, CSA, moves most of his forces from Ringgold across West Chickamuaga Creek as he is being reinforced by Lieut. Gen. James Longstreet's, CSA Army Corps, fresh from the Army of Northern Virginia. So as to not be outflanked, Maj. Gen. William S. Rosecrans, USA, moves Maj. Gen. George H. Thomas' USA Army Corps toward Chattanooga, TN, the Chickamauga Campaign.
• Skirmish at Calhoun, East TN, with Maj. Gen. Ambrose E. Burnside, USA.
• Skirmish at Cleveland, TN.
• Affair near Fort Donelson, TN.
• Skirmish at Kingsport, TN.
• Skirmish at Crooked Run, VA, near Bristol, TN.
• The Confederate capture of schooners Alliance, J.J. Houseman, Samuel Pearsall and the Alexandria, on the Chesapeake Bay, near Eastville, VA, by one Capt. John Y. Beall. (Sep 18-23)

Sunday September 18 1864

• Federal expedition from Barrancas to Marianna, FL, including affair:
  • at Euchee Anna Court-House (Sep. 23) and
  • action at Marianna. (Sep 27).
    (Sep 18-Oct 4)
• Skirmish 7 miles from Lexington, MO, in Ray County, as the Confederate guerrillas attack the state militia camp there.
• Federal scout against Indians on the Cimarron River, in Northeastern New Mexico Territory.
• The affair near Martinsburg, WV, as Lieut. Gen. Jubal Early, CSA, moves from the vicinity of Winchester, VA, against the Baltimore and Ohio Railroad, near Martinsburg, WV, with a force of 12,000 against Maj. Gen. Philip H. Sheridan's force, USA, of 40,000.

Monday September 18 1865