

Photo: Sedat Suna/Getty Images
Photo: Sedat Suna/Getty Images
Great battles, won or lost, change the entire course of events.
First published in The Atlantic on June 19, 2025
by Eliot A. Cohen, The Atlantic
June 20, 2025 | reading time: 7 Min.
“Battles are the principal milestones in secular history,” Winston Churchill observed in his magisterial biography of the Duke of Marlborough in 1936. “Modern opinion resents this uninspiring truth … But great battles, won or lost, change the entire course of events, create new standards of values, new moods, new atmospheres, in armies and in nations, to which all must conform.” So it was then, and so it is today.