They crashed on September 11, 2001.
9-11-01
9/11/2001 (september 11th 2001)
al-quida few 2 planes into the twintowers on september 11th, 2001
the 11th of September
9/11
September 11, 2001
Both of the twin towers were destroyed
September 11th, somewhere around 3 and 4 GMT
WTC7, a 47-storey office building, fell down in NYC.
The Twin Towers of the World Trade Center in New York City were destroyed on September 11, 2001 when two airliners crashed into them.In an earlier attack on February 26, 1993, a truck bomb was exploded in the parking garage under the North Tower.
8:45 September 11th 2001
March 11, 2011. this date will be known in infamy in Japan as 3/11/11, like our 9/11/01 for the twin towers in the states.