General in Chief is a military rank or title in various armed forces around the world. The 2nd Confederate States Congress has established a “General in Chief of the Armies of the Confederate States” on On January 31, 1865, General Robert E. Lee was served on the position until the end of the American Civil War, he was appointed to the position on February 6th.
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General-in-chief was an informal title in France, for the lieutenant-general commanding over others lieutenant-generals and for some marshals in charge of an army.
In Russia, general-in-chief was created in 1698 by Peter the Great. In 1798, was a full general rank in the Russian Imperial army, after the rank of marshal, it is the second-highest rank (the 2nd grade of Table of Ranks) in Russian military ranks.
"General in Chief" was used to refer to the commanding general of the United States Army, in the United States, who was the Army's senior-most officer.
In India, Chief of the Army Staff is the highest-ranking military officer, professional head, and commander of the Indian Army. the position is abbreviated as COAS in Indian Army, is always held by a full General.