12 September 1862: Friday

Confederacy - Government
President Jefferson Davis writes to the governors of Texas, Missouri, Louisiana, and Arkansas, attempting to reassure them that he was not neglecting the Trans-Mississippi area.

The Confederate Congress debates the propriety of the invasion of the North.

Union - Government
President Lincoln wires to McClellan, "How does it look now?" and was told by the general that he was concerned that Lee would recross the Potomac before the Union forces could get to him.

President Lincoln also wires the military authorities in Louisville, Kentucky: "Where is the enemy which you dread in Louisville?" How near to you?" [E. Kirby Smith's main body of troops is less than 50 miles away, Bragg's troops were aobut 100 miles to the south.]

Union - Civilian
Pennsylvania
The archives, bonds, and treasure of the state of Pennsylvania at Harrisburg and Philadelphia are sent to New York.

The mayor of New York is given is given full power to defend the city.

Union - Military/Government
The First, Second and Third Corps of the Army of Virginia were designated the Eleventh, Twelfth, and First Army Corps of the Army of the Potomac. The Army of Virginia was no more.

Union - Military
Maryland
The Army of the Potomac, marching northward, begins to move into Frederick, as the Confederates were dispersing about their assigned tasks.

Confederate - Military
Virginia
Stonewall Jackson's men converge on Harper's Ferry.

Maryland
There is a skirmish near Frederick.

Kentucky
Confederates occupy Glasgow.

There is a skirmish at Brandenburg and near Woodburn.

Mississippi
There is a skirmish at Coldwater Railroad Bridge.

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Bibliography
The Civil War Day By Day: An Almanac 1861-1865. E.B. Long with Barbara Long, De Capo, 1971