10-11 Sept. 63 Thomas smells a rat in McLemore's Cove . Local Unionists help him out with timely info about what's lurking behind Pigeon Mountain, namely most of Bragg's army. 19-20 Sept. 63 Battle of Chickamauga . Union right collapses morning of 2nd day. George H. Thomas takes command of the Army of the Cumberland.
Grant arrives in Chattanooga, some say to a frosty welcome.
Hazen floats down Tennessee, takes Brown's Ferry. Longstreet ordered to intervene, does nothing. 28 Oct. 63 Hooker arrives in Lookout Valley. Cracker line now secure. Oct. 63 Longstreet ordered to remove Hooker from valley, disobeys.