Washington, Grant and Eisenhower are a few.
Ulysses Sympson Grant who, at the time of the battle of Third Battle of Chattanooga was the commander of the Union Army of Cumberland and that of Tennessee, which fought that battle.
Saint Joan of Arc led the French army into battle.
Gen. Ulysses S. Grant led the Union Army in the Battle of Spotsylvania.
That man would be Sam Houstan. He led the Texas army at The Battle of San Jacinto and later became the first President of Texas. Texas was its own country for about 8.5 years!
The invading army at the Battle of Hastings was the Norman army. It was led by the winner of the battle, William the Conqueror.
The Battle of Bull Run led President Lincoln to conclude that the Civil War would take longer and require more troops. The Union Army was defeated and it led President Lincoln to request the enlistment of additional troops.
Confederate general Robert E. Lee led his army of Northern Virginia against Major union general Meade's Army of the Potomac in the Battle of Gettysburg.
George Washington led the Continental army during the battle of Saratoga and the battle of Trenton. George Washingtonled the Continental army during the battle of Saratoga and the battle of Trenton.
President Lincoln ordered General Ulysses S. Grantand his army to capture Vicksburg.
Pemberton led the southern Army of Mississippi. Grant led the U.S. Army of the Tennessee.
In the 1868 battle of San Jacinto, the texian army was led by General Sam Houston. You can get more information about the Battle of San Jacinto at the Wikipedia.
The Union was the opposing side of the Confederacy in the mid-1800s. A formal army was comprised to battle the Confederates as led by President Abraham Lincoln.