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The Battle of Chaffin's Farm and New Market Heights, also known as Laurel Hill and combats at Forts Harrison, Johnson, and Gilmer, was fought in Virginia on September 29–30, 1864, as part of the Siege of Petersburg in the American Civil War. ==Background== From the very beginning of the war, Confederate engineers and slave laborers constructed permanent defenses around Richmond. By 1864, they had created a system anchored south of the capital on the James River at Chaffin's Farm, a large open area at Chaffin's Bluff, both named for a local landowner. This outer line was supported by an intermediate and inner system of fortifications much closer to the capital. In July and August 1864, these lines were tested by Union Lt. Gen. Ulysses S. Grant in offensives designed to attack simultaneously north and south of the James.〔(Richmond National Battlefield ) description of Chaffin's Farm.〕 On July 27–29, the Army of the Potomac's II Corps under Maj. Gen. Winfield S. Hancock and cavalry under Maj. Gen. Philip Sheridan attacked New Market Heights and Fussell's Mill in the First Battle of Deep Bottom (named for the section of the James River used for the Union crossing). The attacks did not break through to directly threaten Richmond or its railroads, but they did cause Confederate Gen. Robert E. Lee to transfer men from the Petersburg fortifications in preparation for the Battle of the Crater on July 31. The Second Battle of Deep Bottom was conducted by Hancock on August 14–20, attacking in roughly the same areas with the goal of once again drawing Confederate troops away from south of the James, where the Battle of Globe Tavern (also known as the Second Battle of the Weldon Railroad) was attempting to cut the railroad supply lines to Petersburg. The second battle was also a Confederate victory, although Lee was forced to deplete his Petersburg defenses and abandon plans to reinforce his men in the Shenandoah Valley.〔Salmon, pp. 398–99.〕 In late September, Grant planned another dual offensive. Historians sometimes enumerate Grant's offensives during the Richmond–Petersburg Campaign. Richard J. Sommers, John Horn, and Noah Andre Trudeau call these operations "Grant's Fifth Offensive".〔Sommers, p. x; Horn, p. 169; Trudeau, p. 216. The first four offensives were the initial assaults on Petersburg, the Battle of Jerusalem Plank Road and the Wilson-Kautz Raid, the First Battle of Deep Bottom and the Battle of the Crater, and the Second Battle of Deep Bottom and the Battle of Globe Tavern.〕 Grant's primary objective was to cut the railroad supply lines to the south of Petersburg, which would likely cause the fall of both Petersburg and Richmond. He planned to use a cavalry division under Brig. Gen. David McM. Gregg and four infantry divisions from the V and IX Corps of the Army of the Potomac to sever the South Side Railroad, an operation that would result in the Battle of Peebles' Farm from September 30 to October 2. Once again hoping to distract Robert E. Lee and draw Confederate troops north of the river, Grant ordered the Army of the James under Maj. Gen. Benjamin F. Butler to attack toward Richmond.〔Salmon, p. 399.〕 Butler devised a plan that historian John Horn called his "best performance of the war."〔Horn, p. 159.〕 Rather than repeat the efforts of July and August to turn the Confederate left, Butler planned surprise attacks on the Confederate right and center. His XVIII Corps under Maj. Gen. Edward O. C. Ord, would cross the James River to Aiken's Landing by a newly constructed pontoon bridge. At the original Deep Bottom pontoon bridge, his X Corps under Maj. Gen. David B. Birney would cross, followed by his cavalry under Brig. Gen. August V. Kautz. In a two-pronged attack, the right wing (Birney's X Corps, augmented by a United States Colored Troops division under Brig. Gen. Charles J. Paine from the XVIII Corps) would assault the Confederate lines at New Market Road and drive on to capture the artillery positions behind it on New Market Heights. This action would protect the flank of the left wing (the remainder of Ord's XVIII Corps), which would attack Fort Harrison from the south-east, neutralizing the strongest point of the entire Confederate line. Then, the right wing would assist the left by attacking Fort Gregg and Fort Gilmer, both north of Fort Harrison. Kautz's cavalry would exploit Birney's capture of the New Market Road by driving for Richmond.〔Sommers, pp. 21–22; Kennedy, pp. 362, 364; Salmon, p. 429; Trudeau, p. 208; Horn, pp. 158–59.〕 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 Chaffin's Farm」の詳細全文を読む スポンサード リンク
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