Arguably America's greatest general since George Washington, General Robert E. Lee gambled his army and the future of the Confederacy in one epic battle during three bloodiest days in American history.
Frightened boys became veteran soldiers and the nation learned the horror of a modern war during a shockingly bloody battle that ended all dreams that the Civil War would be over quickly.
Confederate forces under General Albert Johnston caught Union forces by surprise near Shiloh Church. But of the 100,000 men who came to fight this high-stakes battle, over 23,000 would become its casualties.
A college professor from Maine, Colonel Joshua Lawrence Chamberlain rose through the ranks of the Union Army to become one of the most celebrated figures in the annals of the Civil War.