On the exceptional side Marlborough's greatest victories were won when he was nearly sixty (though he had been brilliantly distinguished at twenty-two), and in our own day the most skillful campaign in Europe was under the direction of Von Moltke when he was in the seventieth year of his age.
Washington took command of the Continental Army at forty-three.
Lafayette was a major-general at twenty.

Nathaniel Greene was a general officer in the military establishment of the Revolution at thirty-three, and entered upon his memorable campaign in the South at thirty-eight.

Winfield Scott was but twenty-eight when he commanded at Chippewa and Lundy's Lane.

Macomb was thirty-two when he gained the famous victory over Sir George Prevost at Plattsburg.

Jackson was forty-seven when he won the decisive battle over Pakenham at New Orleans.