Number of U.S. states with no legal form of gambling in 2009:

In 2009, Utah and Hawaii were the only two states in which all forms of gambling were illegal.
Source: Wall Street Journal, 8/10/2009

  Earliest recorded written use of the word "gambling":

According to the Oxford English Dictionary.
Source: Globe & Mail (Canada), 8/7/2010
Total gambling revenues at U.S. casinos in 2009:

$30.74 billion
According to the American Gaming Association, that's down 5.5% from 2008.
Source: Providence Journal, 5/12/2010

  Number of states in the U.S. as of 2010 with no legal gambling:

2 (Utah and Hawaii)

Source: USA Today, 3/5/2010