I will never tell, that candy bar is mine!
NEW RESPONDENT.
The youngest Brigadier General of the Union Army in 1862 at the age of 23, was George Armstrong Custer, also called "the boy general."
Indeed he never became President.
If you are referring to Ulysses S. Grant, he was promoted Brigadier General on Aug.7,1861 at the age of 39.
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George Armstrong Custer became the youngest brigadier general in the Union army. Despite having no direct command experience, he became the youngest brigadier general in the UnionArmy at age 23 during the US Civil War. Custer was a West Point graduate and was present at General Lee's surrender at Appomattox. He was killed years after the war by a Native American attack on his troop in the West.
Grant was a professional soldier and commander of all union armies when the war ended, B. Harrison and Garfield were brigadier generals and Hayes was brigadier general of volunteers.
In the American Civil War's Battle of Gettysburg, the key leaders at the top level for each side were the following: On the Union side, Major General George Meade was the top commander, with a variety of capable lower-ranking officers in positions of influence during the battle. On the Confederate side, General Robert E. Lee was the top commander. Several of his corps commanders should also be mentioned, as they had important (and generally negative, as the results would show) influence on the battle: Lt. General James Longstreet and Lt. General Richard S. Ewell.
Union Brigadier General Charles Ewing was the brother in law of Union General William T. Sherman. He was a member of Sherman's staff and was involved in Sherman's assault on Georgia.
Galusha Pennypacker
Brigadier General Irvin McDowell
Major General George B. McClellan and Brigadier General Fitz John Porter.
First battle in Tennessee - a Union victory under the unknown Brigadier-General U.S. Grant.
Brigadier General Jefferson C. Davis was a commander of volunteers in the Union Army from 1861 to 1865. He was not related to the Confederate president Jefferson F. Davis. For more on the general see the link below.
Ulysses S. Grant was a former Union general who became president.
Brigadier General Gouverneur Kemble Warren.
The commanders for the Confederates were General Joseph E. Johnston and Brigadier General Pierre Beauregard at First Bull Run. The Union army was commanded by Brigadier General Irvin McDowell.