11.   It was a reminder of why historians call this the American Century.

12.   Labor historians would call it union-busting.

13.   Now, some historians are also calling the seven-year struggle the largest slave rebellion in United States history.

14.   One historian calls it the American My Lai.

15.   Only later would historians call it the famous Iron Curtain speech.

16.   Some historians have called it idealized.

17.   Some historians have called the explosion of football popularity a newspaper phenomenon.

18.   Some historians call the Norwegian seafaring pioneers the greatest shipbuilders ever.

19.   World War II was the big one, what historians would call the last good war, fought by the Greatest Generation.

20.   At the same time, McCullough noted, historians have called for their peers to raise their works beyond the simple assembly of information.