Many believe that some of the geopolitical events seen as consequences of the attack may have happened regardless.
This article titled “Was 9/11 really the day that changed the world for ever?” was written by Jon Henley, for The Guardian on Friday 9th September 2011 18.00 UTC
It was, we were soon told, “the day that changed everything”, the 21st century's defining moment, the watershed by which we would forever divide world history: before, and after, 9/11.
Ten years on, much of that early reaction to the day America realised, as New York magazine put it on the fifth anniversary, that “there really are ideological-cum-religious zealots out there intent on slaughtering us in large numbers”, now looks exaggerated – albeit understandably. 11 September 2001 didn't change the world for ever.