It struck Attack seven occupied vehicles on the bridge and destroyed Destroying of guard rail before it plunged Motion_directional through the ice into the Potomac River .

The campaign Military_operation pitted Hostile_encounter Union Army Maj. Gen. Joseph Hooker 's Army of the Potomac against an army less than half its size , General Robert E. Lee 's Confederate Army of Northern Virginia .

The Battle Military_operation of Antietam , also known as the Battle Military_operation of Sharpsburg , particularly in the Southern United States , was a battle Military_operation of the American Civil War Military_operation , fought Hostile_encounter on September 17 , 1862 , between Confederate General Robert E. Lee 's Army of Northern Virginia and Union General George B. McClellan 's Army of the Potomac , near Sharpsburg , Maryland and Antietam Creek .

In spite of crippling casualties Death , Lee continued to skirmish Hostile_encounter with McClellan throughout September 18 , while removing Removing his battered army south of the Potomac River .

The Battle Hostile_encounter of Cockpit Point , the Battle Hostile_encounter of Freestone Point , or the Battle Hostile_encounter of Shipping Point , took place Process_start on January 3 , 1862 , in Prince William County , Virginia , as part of the blockade Besieging of the Potomac River during the American Civil War Military_operation .

After victory Getting at First Battle Hostile_encounter of Bull Run , the Confederate States Army ( CSA ) established Creating a defensive Defending line from Centreville along the Occoquan River to the Potomac River .

The Confederates used Using the Potomac ’ s banks as gun positions Placing to halt Union traffic on the river , protecting Defending Manassas Junction to the west and Fredericksburg to the south and to close Process_end the Potomac River to shipping Sending and isolate Hindering Washington .

The Confederates used Using the Potomac ’ s banks as gun positions Placing to halt Union traffic on the river , protecting Defending Manassas Junction to the west and Fredericksburg to the south and to close Process_end the Potomac River to shipping Sending and isolate Hindering Washington .

In October 1861 , the Confederates constructed Building batteries at Evansport ( now downtown Quantico , consisted of two batteries on the river bank , and another inland ) , a CSA field battery located at the mouth of Chopawamsic Creek where it empties to the Potomac ( now the Marine Corps Air Facility ) , Shipping Point ( now Hospital Point on Quantico , number of guns unknown ) , Freestone Point ( a CSA four-gun battery on the shore of the Potomac River , now within Leesylvania State Park ) , and Cockpit Point ( near the current asphalt plant , consisted of six guns ( one heavy gun ) in four batteries , a powder magazine , and rear rifle pits , on top of a high cliff known as Possum Nose ) .

In October 1861 , the Confederates constructed Building batteries at Evansport ( now downtown Quantico , consisted of two batteries on the river bank , and another inland ) , a CSA field battery located at the mouth of Chopawamsic Creek where it empties to the Potomac ( now the Marine Corps Air Facility ) , Shipping Point ( now Hospital Point on Quantico , number of guns unknown ) , Freestone Point ( a CSA four-gun battery on the shore of the Potomac River , now within Leesylvania State Park ) , and Cockpit Point ( near the current asphalt plant , consisted of six guns ( one heavy gun ) in four batteries , a powder magazine , and rear rifle pits , on top of a high cliff known as Possum Nose ) .

The Confederates , in keeping with their general tactic of withdrawal Escaping from the sea coast and coastal islands , had abandoned GiveUp their works and retired Escaping closer to Richmond , after effectively sealing Preserving off the Potomac River for nearly five months .

Dueling Creek , formerly known as ' '' Blood Run '' and `` The Dark and Bloody Grounds '' , is a tributary of the Anacostia River , which was formerly , called Name_conferral the East Branch Potomac River .

The Battle Hostile_encounter of Malvern Hill , also known as the Battle Hostile_encounter of Poindexter 's Farm , was fought Hostile_encounter on July 1 , 1862 , between the Confederate Army of Northern Virginia , led by Gen. Robert E. Lee , and the Union Army of the Potomac under Maj. Gen. George B. McClellan .

The Seven Days Battles Hostile_encounter were the climax of the Peninsula Campaign Military_operation , during which McClellan 's Army of the Potomac sailed Self_motion around the Confederate lines , landed Self_motion at the tip of the Virginia Peninsula , southeast of Richmond , and struck Attack inland towards the Confederate capital .

It took place Process_start on July 30 , 1864 , between the Confederate Army of Northern Virginia , commanded Control by General Robert E. Lee , and the Union Army of the Potomac , commanded Control by Maj. Gen. George G. Meade ( under the direct supervision Scrutiny of the general-in-chief , Lt. Gen. Ulysses S. Grant ) .

Flooding affected Influence roads and low-lying areas along the Potomac River .