Complex sentence: He was one of the few men to have been present at the three major surrenders of the American Revolutionary War: twice as a Victor (at Yorktown and Saratoga), and once as the defeated party (at Charleston).
Split into simpler sentences: He was one of the few men to have been present at the three major surrenders of the American Revolutionary War. Twice as a Victor (at Yorktown and Saratoga) and once as the defeated party (at Charleston).