1. April 6, 1862 – April 7, 1862
2. The Union army was led by Generals Ulysses S. Grant and Don Carlos Buell
and the The Confederate army was led by Generals Albert Sidney Johnston and P.G.T. Beauregard
3. Pittsburg Landing, Southwestern Tenesse
4. More than 13,000 of Grant's and Buell's approximately 62,000 troops were killed, wounded, captured or missing. Of 45,000 Confederates engaged, there were more than 10,000 casualties.