Televion researcher Neilsen and Sony Electronics teamed up to find which TV events were the most memorable for people.
Sony commissioned the study to assess emotions that audiences attach to TV with an eye toward boosting its program development and marketing.
Here are the Top 20 TV most memorable events, according to the survey.
1. September 11 attacks 2001
2. Hurricane Katrina - the levees break 2005
3. OJ Simpson murder verdict 1995
4. Challenger space shuttle disaster 1986
5. Death of Osama bin Laden 2011
6. OJ Simpson high-speed car chase 1994
7. Earthquake/tsunami in Japan 2011
8. Columbine school shooting 1999
9. BP oil spill in the Gulf of Mexico 2010
10. Funeral of Princess Diana 1997
11. Death of Whitney Houston 2012
12. Capture and execution of Saddam Hussein 2006
13. Barack Obama acceptance speech 2008
14. Prince William, Kate Middleton wedding 2011
15. Assassination of John F. Kennedy 1963
16. Oklahoma City bombing 1995
17. Bush/Gore election results 2000
18. Los Angeles riots/ Rodney King beating 1992
19. Casey Anthony murder trial verdict 2011
20. Funeral of John F. Kennedy 1963