...nge for the assault at 5 o'clock, under General Hancock's command, in the afternoon on the front of Warren and Wright. Birney, while withdrawing, was attacked; Hancock, who had started ahead with Gibbon to prepare for the attack, recrossed to the south bank of the Po and joined Barlow. Barlow was half a mile south of his bridges. His left, composed of Miles's and Smyth's brigades, was along the ...