Facts: The Observergives us Sept.

: The Observergives us Sept. 11 facts:

: 795,763 tonnes of building rubble have been removed from Ground Zero…

: Workers have cleared 148,429 tonnes of steel from the World Trade Centre site – including 50 handguns.

: The remains of 749 victims from the New York disaster have been identified…

: …as well as 273 complete bodies and 250 pieces of jewellery. 2,672 death certificates have been issued. A further 158 people are unaccounted for.

: ‘Asymmetrical warfare’, 9/11 and ‘Osama effect’ are set to be included in the Oxford English Dictionary.

: Twelve US soldiers have been killed in combat during the war in Afghanistan, while 14 have died in non-combat accidents.

: Wal-Mart has sold 3,000,000 US flags,10 times its usual number.

: The Dow Jones index is now worth $386bn, or 11 per cent, more than it was on 10 September.