The Battle Hostile_encounter of Chancellorsville was a major battle Hostile_encounter of the American Civil War Military_operation ( 1861–1865 ) , and the principal engagement Hostile_encounter of the Chancellorsville campaign Military_operation .

The Battle Hostile_encounter of Chancellorsville was a major battle Hostile_encounter of the American Civil War Military_operation ( 1861–1865 ) , and the principal engagement Hostile_encounter of the Chancellorsville campaign Military_operation .

It was fought Hostile_encounter from April 30 to May 6 , 1863 , in Spotsylvania County , Virginia , near the village of Chancellorsville .

Chancellorsville is known as Lee 's `` perfect Cause_to_make_progress battle Hostile_encounter '' because his risky decision Deciding to divide his army in the presence of a much larger enemy force resulted in a significant Confederate victory .

The Chancellorsville campaign Military_operation began Process_start with the crossing Motion_directional of the Rappahannock River by the Union army on the morning of April 27 , 1863 .

Crossing Motion_directional the Rapidan River via Germanna and Ely 's Fords , the Federal infantry concentrated Preserving near Chancellorsville on April 30 .

On May 1 , Hooker advanced Self_motion from Chancellorsville toward Lee , but the Confederate general split Destroying his army in the face of superior numbers , leaving Departing a small force at Fredericksburg to deter Hindering Maj. Gen. John Sedgwick from advancing , while he attacked Attack Hooker 's advance with about four-fifths of his army .

Despite the objections of his subordinates , Hooker withdrew Escaping his men to the defensive Defending lines around Chancellorsville , ceding GiveUp the initiative to Lee .

The fiercest fighting Hostile_encounter of the battle—and the second bloodiest day of the Civil War—occurred on May 3 as Lee launched Process_start multiple attacks Attack against the Union position at Chancellorsville , resulting in heavy losses Earnings_and_losses on both sides .