Sept. 11th ranks first among impactful TV moments

In a new survey asking TV viewers to rank the most impactful moments on television over the past 50 years, September 11th rose to the top of the list, followed by Hurricane Katrina, the O.J. Simpson verdict and the Challenger explosion. 

Sony Electronics and the Nielsen television research company collaborated on the survey, asking people what they remembered watching, if they recalled where they watched, who they were with and whether they talked to other people about what they had seen.

Click here to view the full list.