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The Battle of Cedar Mountain, also known as Slaughter's Mountain or Cedar Run, took place on August 9, 1862, in Culpeper County, Virginia, as part of the American Civil War. Union forces under Maj. Gen. Nathaniel P. Banks attacked Confederate forces under Maj. Gen. Thomas J. "Stonewall" Jackson near Cedar Mountain as the Confederates marched on Culpeper Court House to forestall a Union advance into central Virginia. After nearly being driven from the field in the early part of the battle, a Confederate counterattack broke the Union lines resulting in a Confederate victory. The battle was the first combat of the Northern Virginia Campaign. ==Background== On June 26, Maj. Gen. John Pope was placed in command of the newly constituted Union Army of Virginia. Pope deployed his army in an arc across Northern Virginia. Its right flank, under Maj. Gen. Franz Sigel, was positioned at Sperryville on the Blue Ridge Mountains, its center, under Maj. Gen Nathaniel P. Banks, was located at Little Washington and its left flank under Maj. Gen. Irvin McDowell was at Falmouth on the Rappahannock River. Part of Banks's corps, Brig. Gen. Samuel W. Crawford's brigade and Brig. Gen John P. Hatch's cavalry, were stationed beyond the Union line, at Culpeper Court House.〔Salmon, pp. 125-126.〕 General Robert E. Lee responded to Pope's dispositions by dispatching Major General Thomas J. "Stonewall" Jackson with 14,000 men to Gordonsville on July 13. Jackson was later reinforced with another 10,000 men by Maj. Gen. A.P. Hill's division on July 27.〔McPherson, p. 525.〕 On August 6, Pope marched his forces south into Culpeper County with the objective of capturing the rail junction at Gordonsville, in an attempt to draw Confederate attention away from Maj. Gen. George B. McClellan's withdrawal from the Virginia Peninsula.〔Henderson, p. 402.〕 In response to this threat, Jackson chose to go on the offensive, attacking Pope's vanguard under Banks, before the entire Army of Virginia could be brought to bear on his position at Gordonsville.〔Salmon, p. 127.〕 After defeating Banks, he then hoped to move on Culpeper Court House, north of Gordonsville and the focal point of the Union arc about Northern Virginia, to keep Pope's army from uniting. This would allow Jackson to fight and hopefully defeat each of the Union Corps separately, as he had done during the Valley Campaign. Accordingly, Jackson set out on August 7 for Culpeper.〔Henderson, p. 403.〕 The cavalry under Brig. Gen. Beverly Robertson was sent ahead to dispatch the Federal cavalry guarding the fords of the Rapidan River and occupying Madison Court House, threatening the Confederates left flank as they marched northward. This task was easily accomplished by Robertson on August 8.〔McDonald, p. 80.〕 Jackson's march on Culpeper Court House was hindered by the severe heat wave over Virginia at the beginning of August, as well as by his characteristic secrecy about his plan, which caused confusion among his divisional commanders as to the exact route of advance. As such, the head of his column had only progressed by the evening of August 8. The Federal Cavalry, though easily dispatched by Robertson, quickly returned to Pope and alerted him of the Confederate advance. In response, Pope ordered Sigel to Culpeper Court House to reinforce Banks, and Banks was ordered to maintain a defensive line on a ridge above Cedar Run, south of Culpeper Court House.〔Henderson, pp. 405-407.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Battle of Cedar Mountain」の詳細全文を読む スポンサード リンク
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