A Union force under General Joseph J. Reynolds attacked the Confederate Camp Bartow in Pocahontas County in the Battle of Greenbrier River, but were repulsed.
Ladies of Bell District, Ohio County, formed a knitting association for the purpose of providing stockings and mittens for the soldiers of western Virginia.
A parade of a company of patrols commanded by Captain P. G. West was held in Wetzel County.
Gen. Henry R. Jackson issued a congratulatory message to the Army of Northwestern Virginia on their conduct during the Battle of Greenbrier River.
Confederates discovered that the Union army had withdrawn from Big Sewell Mountain.
Thomas Jonathan "Stonewall" Jackson, a native of western Virginia, was promoted to major general in the Confederate army.
Secessionist supporters killed a man named Sharp, a member of Captain Henry Nay's Home Guard Company, near Worthington in Marion County.
Solomon Parsons, who had served as a delegate to the Second Wheeling Convention, wrote to Senator John S. Carlile, describing lawlessness and harsh conditions for Union men in Tucker County, and asked that a company of Federal soldiers be sent to the area.
A meeting of Union citizens from the upper end of Marshall County was held at Wood Hill.
A meeting was held in Triadelphia to nominate delegates to the constitutional convention.
500 soldiers of Piatt's Zouaves (34th Ohio) occupied Winfield.
The Wheeling City Council passed an ordinance forbidding the sale of alcoholic beverages to soldiers.
Thomas Heaton, special agent for the Treasury Department, issued directions to Thomas Hornbrook, Surveyor of Customs in Wheeling, concerning the shipment of goods during wartime.
A skirmish between Union and Confederate troops took place near Harpers Ferry.
Colonel J. V. Guthrie, commanding officer at Charleston, issued a proclamation urging citizens to organize municipal government.
A Confederate force attacked Elizabeth in Wirt County, but was repulsed by a Captain Hill, aided by local Home Guards.
Two companies of the Fifth [West] Virginia attacked a Confederate force on Big Sandy River.
A detachment of Federal cavalry launched an expedition from Camp Weston to Kincheloe Creek to arrest secessionists who were intimidating Union supporters in the area.
Union and Confederate troops clashed at the junction of the Miller's Ferry road and the Raleigh turnpike, three miles east of Fayetteville.
The Union military Department of Harpers Ferry and Cumberland was assigned to Brigadier General Benjamin F. Kelley of Wheeling, Ohio County.
A large Union force launched an expedition to Green Bank, where they seized cattle, horses and a few prisoners and forced the postmaster to turn over mail in the post office.
Troops under General William W. Loring passed through Lewisburg.
Voters in western Virginia approved the formation of the new state of Kanawha by a vote of 18,408-781.
A Confederate cavalry force attacked the steamer Mary Cook, which was transporting supplies from Camp Enyart to Union soldiers stationed at Gauley Bridge.
Union militia clashed with Confederate militia at South Branch Bridge, near Springfield in Hampshire County.
The 13th Indiana left Huttonsville and launched an expedition to relieve militia forces at Fort Pickens, and to quell Confederate supporters in Lewis, Upshur and Webster counties.
A Union force commanded by an apparently intoxicated Major Horace Bell was ambushed near Camp Bartow. A number of Union troops were killed or wounded.
The 13th Indiana skirmished with Confederate guerrillas and encamped on the farm of noted secessionist Watt (Walter) Cool, the first sheriff of Webster County.
Undated Events, October 1861
Timeline of West Virginia: Civil War and Statehood