is 2010 a leap year?: false
is 1900 a leap year?: false
is 2000 a leap year?: true
is 2008 a leap year?: true

Dec. has 31 days
Feb. 2011 has 28 days
Feb. 2012 has 29 days

Thanksgiving is on Thursday, November 28, 2013
           month: 11
             day: 28
            year: 2013
      month name: November
day of week name: Thursday

Creating three other Date objects:
d1 = Thursday, July 4, 1776
d2 = Tuesday, September 11, 2001
d3 = Friday, January 31, 2014

Trying to create a Date for February 30, 2012...
The required exception was thrown.