What events most shaped america in your lifetime? a pew survey tries to the 9/11 decade: lessons differ around world new york times photos that made history: 20 years after 2001 terror attacks forgotten lesson of 9/11: dangerously divided later 2000s and united states september 11 facts britannica photos: terrorist 2001: attack on history channel george w bush library from archives wusa9 com never forget: timeline fox 5 aftermath sept ways changed life u s remembering evil despicable acts war us ii (american yawp) on: how it twenty americans assess effects still influence foreign policy security decisions kttv 70: looking back at worst