One side began marching from Corinth, where the other army thought they would remain.  
One side began marching from Corinth, where the other army thought they would remain.  Thus, Halleck wired Grant erroneously telling him to wait for Buell's forces to arrive.  The Union set up their line and attempted to hold the Sunken Road, where General Prentiss defended near Sarah Bell's peach orchard in an area called the Hornet's Nest.  After the arrival of Buell's army, the Confederates under A. S. Johnston were finally repelled, leaving Memphis and Vicksburg susceptible to Union attack.  FTP, identify this April 6, 1862 battle in Tennessee also known as Pittsburg Landing.
One side began marching from Corinth, where the other army thought they would remain.  
Battle of Shiloh (accept early Battle of Pittsburg Landing)