William Tecumseh Sherman was born on February 8, 1820, at the John Sherman Birthplace in the United States, entering a young republic that would be reshaped, in part, by his own actions decades later. A citizen of the United States throughout his life, Sherman came of age in a country where military service offered one of the more defined paths for ambitious young men, and he pursued that path with deliberate commitment.

Sherman received his education at the United States Military Academy, the institution that prepared him for a career in uniform. He went on to serve as a general in the Union Army during the American Civil War, which lasted from 1861 to 1865. His military occupation formed the core of his public identity, though his professional life extended beyond the battlefield. At various points Sherman also worked as a lawyer and as a banker, occupations that placed him within the commercial and legal fabric of American civilian life, and he was additionally identified as a businessman.

Beyond his military and professional roles, Sherman engaged with the written word as both a writer and an author. He worked in the English language, producing written work that gave him standing as a literary figure alongside his other pursuits. This combination of military service, business activity, and authorship made his career unusually varied for a man of his era, spanning institutions as different as the army, the counting house, and the written page.

Sherman died on February 14, 1891, in New York City, six days after his seventy-first birthday. His life, which had begun at the John Sherman Birthplace and passed through the United States Military Academy, through the years of the Civil War, and through careers in law, banking, and writing, came to its close in one of the country's largest and most commercially active cities. The Library of Congress Name Authority File records him as "Sherman, William T. (William Tecumseh), 1820–1891," a designation that fixes the span of a life conducted entirely within the nineteenth century.