On April 29, at about four o'clock in the morning, elements of the Union First and Sixth corps moved to the riverfront, with troops from the 95th and 119th Pennsylvania regiments paddling their way ashore to force a landing. Downstream, troops from the 24th Michigan and 6th Wisconsin also crossed the river, accompanied by division commander James Wadsworth, whose horse swam behind one of the boats.
Following the establishment of the bridgehead, more units crossed the river to solidify the Union hold on the south bank. From the late on the morning of April 29 until the evening of May 2 little happened along Sedgwick's front. Lee, who suspected that Sedgwick was serving merely as a diversion, had divided his army, sending a small force—10,000 infantry and 56 cannon—under Jubal Early to protect his right flank against Sedgwick. On May 2, he divided his army again, holding Hooker in place while Stonewall Jackson marched twelve miles under cover of the Wilderness to the Union army's far right flank. The savage fighting around Chancellorsville prompted Hooker to call repeatedly for reinforcements, with the result that Sedgwick's 60,000 men dwindled to 23,000.
Chastened, Sedgwick, or "Uncle John" as he was known to his men, pulled back to gather up reinforcements and stage a full assault. Union general John Gibbon's division of the Second Corps laid a pontoon bridge across the Rappahannock north of Fredericksburg, and by seven o'clock that morning, many of these men were in the city awaiting orders. Sedgwick's instructions from Hooker, meanwhile, were to attack Lee at Chancellorsville as soon as possible, but to be careful not to drive Early's defenders west, where they could rejoin Lee. That meant he was forced to hit Early's right, at Marye's Heights, which loomed 130 feet high and ran a half mile from north to south.
The previous afternoon, Colonel Robert Chilton of Lee's staff had mistakenly ordered Early to abandon his line. When Sedgwick did not attack, Early had time to reposition about 5,000 men along the six miles from a bend in the Rappahannock on the north to Telegraph Hill on the south. At the earlier Battle of Fredericksburg, James Longstreet had had five times those numbers, with plenty of artillery to protect his flanks. Now a regiment of Louisianans and two regiments of William Barksdale's Mississippians—crouched behind a stone wall in a sunken road at the center of the line—were especially vulnerable. Because of the hill's slope, Union forces were able to form lines of attack safely from as close as 450 yards.
Sedgwick had been reluctant to attack there after what had happened to his New Yorkers and Pennsylvanians earlier in the day. But then he got a lucky break. A Union detachment asked for a truce so that it could collect some of the dead and wounded in front of the stone wall, and Colonel Thomas Griffin of the 18th Mississippi, without Barksdale's permission, granted it. As the Union soldiers crept forward they saw for themselves how weak and undermanned the Confederate position was and relayed word back to Sedgwick.
Sometime after ten o'clock, Newton's division charged along three columns, with Howe's division in support to its left. The 5th Wisconsin was aimed directly at the stone wall. "Boys, you see those Heights?" its colonel asked the regiment. "You have to take them. You think you cannot do it, but you can and you will." The regiment did finally reach the wall—one of its soldiers recounted five men around him being killed in the space of ten square feet—and the resulting hand-to-hand combat sent the Mississippi and Louisiana men retreating up Telegraph Road. (Colonel Thomas Griffin was captured.) The Confederates on Marye's Heights suffered approximately 475 casualties compared to almost 1,100 Union casualties divided between the forces of Newton, Howe, and Gibbon.
Always a cautious general, Sedgwick did not aggressively pursue Early's men. His orders from Hooker—who was busy fighting J. E. B. Stuart and the bulk of Lee's army in the Wilderness—were still to join the Army of the Potomac at Chancellorsville. But to do that he would need to place himself between Lee and Early. He was further spooked by (false) rumors that Longstreet's Confederates were arriving from Norfolk. By the time his lead division, under William "Bully" Brooks, headed west on the Plank Road, Lee had positioned infantry and cavalry under Cadmus Wilcox to block his way.
At three twenty-five, Wilcox's men—Alabamans and Georgians mostly—met Brooks at a tollgate at a clearing in the woods that contained a brick church and a wooden schoolhouse. Fighting north of the road was savage and to neither side's advantage, but to the south, at Salem Church, Wilcox's old command, the 9th Alabama, used the buildings as cover and, in countering a Union charge, turned the tide of battle. Although Union and Confederate numbers at Salem Church were about equal, the casualty counts—1,523 Union, 674 Confederate—were far from it.
The Battle of Chancellorsville is considered by many to be Lee's greatest victory, but it cost him the life of Stonewall Jackson, and absent Sedgwick's caution and a bit of good fortune here and there, he may not have won at all. The following month, a few days ahead of the Battle of Gettysburg, United States president Abraham Lincoln turned the Army of the Potomac over to George G. Meade. Sedgwick, meanwhile, became the war's highest-ranking Union casualty a year later, on May 9, 1864. Scolding his men for ducking under the fire of Confederate sharpshooters at Spotsylvania Court House, he spoke some of his last words with a chuckle: "They couldn't hit an elephant at that distance."
April 29, 1863, 4:00 a.m. - Elements of the First and Sixth corps, commanded by Union general John Sedgwick, cross the Rappahannock River opposite Fredericksburg. From the later morning until May 2, little happens here as Union general Joseph Hooker battles Confederate general Robert E. Lee twelve miles to the west at Chancellorsville.
May 2, 1863, afternoon - Colonel Robert Chilton of Confederate general Robert E. Lee's staff, mistakenly orders Jubal A. Early to abandon his line opposite Fredericksburg. When Union forces do not attack, Early is able to reposition his 5,000 men along the six miles from a bend in the Rappahannock on the north to Telegraph Hill on the south.
May 3, 1863, 4:00–9:00 a.m. - Having been ordered by Union general Joseph Hooker to march west to Chancellorsville, John Sedgwick moves his Sixth Corps through Fredericksburg to the base of Marye's Heights. An initial assault, led by John Newton's division, is rebuffed, and Sedgwick's withdraws to gather reinforcements.
May 3, 1863, 9:00 a.m. - Sometime before nine, Union general John Sedgwick again attacks Confederate general Jubal A. Early's line opposite Fredericksburg. John Gibbon's division is pinned down on the Union right when it unexpectedly encounters a canal. Union soldiers under truce and gathering wounded from an earlier assault detect a weakness in the Confederate center.
May 3, 1863, 10:00 a.m. - Sometime after ten, Newton's division of Union general John Sedgwick's Sixth Corps charges Marye's Heights. After hand-to-hand fighting on either side of a stone wall, Confederate forces under Jubal A. Early are overtaken.
May 3, 1863, 3:25 p.m. - William Brooks's division of Union general John Sedgwick's Sixth Corps marches west toward Chancellorsville and encounters Confederates under Cadmus Wilcox at Salem Church. A countercharge by the 9th Alabama turns the tide, and the Union troops are pushed back toward the Rappahannock River.
May 4, 1863, morning - In a series of uncoordinated assaults, Confederate troops under Jubal A. Early retake Marye's Heights and Fredericksburg. Union general John Sedgwick withdraws his Sixth Corps to Bank's Ford on the Rappahannock River.
May 4, 1863, 5:30 p.m. - Confederate general Jubal A. Early's troops attack Albion P. Howe's division of Union general John Sedgwick's Sixth Corps but fail to break through by nightfall.
May 5, 1863, pre-dawn - The result of a miscommunication, the Union Sixth Corps under John Sedgwick retreats north across the Rappahannock River near Fredericksburg. Days of tough fighting, frayed nerves, and the fear that Confederate reinforcements under James Longstreet might soon arrive contribute to Sedgwick's premature action.
May 6, 1863 - When he learns that the Sixth Corps had retreated across the Rappahannock River the day before, Union commander Joseph Hooker realizes that the Battle of Chancellorsville is finished. He follows Sedgwick north with the rest of his army.
- Civil War, American (1861–1865)
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First published: March 10, 2010 | Last modified: November 29, 2012