In 1861, control of the Potomac River was critical to both Union and Confederate strategies, as it formed a key geographic boundary. While the Union secured the upper river and gained a foothold in northeastern Virginia, Confederate coordination between the Shenandoah and Manassas Junction led to victory at Bull Run and enabled a temporary blockade…
Continue reading ➞ Map and Overview of the Potomac Front, May 1-July 20, 1861






