9/11 Attack - Strange but true:

Date of Attack: 9/11 = 9+1+1= 11.
September 11th is the 254th day of year. 2+5+4=11.
After September 11th there are 111 days left to end the year.
Twin towers standing side by side, looks like number 11.
The first plane to hit the towers was flight 11.
State of New York: 11th state added to the union.
New york city: 11 letters.
The pentagon: 11 letters.