Never Forgotten: Honor 9/11 Victims & Heroes With This Trivia What year did the terrorist attacks on the World Trade Center occur? 2001 2002 2003 2004 None Which terrorist group claimed responsibility for the 9/11 attacks? Taliban Al-Qaeda ISIS Hamas None Which iconic landmark was also targeted in the 9/11 attacks? White House Statue of Liberty Pentagon Lincoln Memorial None What was the total number of hijacked airplanes involved in the 9/11 attacks? 2 3 4 5 None How many people were killed in the 9/11 attacks? Approximately 2,000 Approximately 3,000 Approximately 4,000 Approximately 5,000 None Time's up Most Popular Most Popular