800-1,000 [18 years, 200 points]
Black Monday [While over 25 years passed before the Dow recovered from the two-day, 23% crash back in 1929, it took less than 2 years to get back the 22.6% lost on the ever-mysterious Black Monday.]
6,500 [DJIA from 4/15/1997 - 3/9/2009]
Ride the Snake