911 attacks in 2001 (9&12 again)
2001/ 9 = 12 Sep = 9 It crashed into the North Tower of the World Trade Center complex in Lower Manhattan at 8:46 a.m. (8:46 = 18 = 666...
Gematria Calculator:
I just found out English Gematria is a multiple of 6! http://www.gematix.org