Twenty years ago this week, Osama bin Laden and his cohorts founded the infamous militant group al-Qaeda. For two decades the terrorist network has sought to end foreign influence in Muslim countries, kill US citizens and their allies everywhere, and create a perfect Islamic form of government in the Muslim world.
The past 20 years have seen many gruesome al-Qaeda successes, but the group also faces feasible fragmentation and failure in the future. Do you know the facts on America's main enemy in the war on terrorism?
Know the Facts? Al-Qaeda Marks 20 Years of Terror
Al-Qaeda translates to what in Arabic?