From Yale’s own website…

…911 people graduated from their university in 1968…
…in that year…
-George W. Bush graduated from Yale and Skull and Bones
-9-1-1 made national emergency dialing code
-WTC construction began in New York City
-2001: A Space Odyssey came out (Bush became President in 2001 & 9/11 happened)
-Lead hijacker for 9/11 was born on September 1, 1968
-Boeing debuted first jumbo jetliner
–Firm from Seattle (M.K.A.) began construction on World Trade Centers
–Seattle, Washington = 68
–Terror = 68
–CIA = 68
–Mathematics = 68
–Catholicism = 68
-Club of Rome established in 1968 (April 7)