The September 11, 2001 attacks often referred to as 9/11—pronounced "nine eleven") consisted of highly coordinated terrorism. The September 11 attacks were described by the United Nations Security Council as "horrifying terrorist attacks"; Security Council Condemns, 'In Strongest Terms' Terrorist Attacks on the United States,  by Islamic extremists on The United States.
For more probing examinations of these observations, see Complete 911 Timeline at  and as well 911Timeline.net at  or David Ray Griffin's book, The New Pearl Harbor, ISBN 1-56656-552-9, but be advised, "It will be painful, and disturbing, to turn the pages of this thoughtful and meticulously researched book. But turn we must. For we owe the truth to those who died, and nothing less." — Colleen Kelly, sister of Bill Kelly, Jr., who was killed in the North Tower of the World Trade Center on 9/11, and Co-Founder of September 11th Families for Peaceful Tomorrows.