Harry Truman -- President Truman once described the end of a war as "a solemn but glorious honor -- excuse me -- "a solemn but glorious hour.

WHITEHOUSE: President Obama and Vice President Biden Honor Iraq Veterans | The White House

All of the victims' names were read out amid tears, the five-hour reading punctuated by the solemn silences, and music.

BBC: 9/11 anniversary: Sombre US honours victims 10 years on