http://social.technet.microsoft.com/wiki/contents/articles/22776.t-sql-calendar-table.aspx
https://www.google.com/search?q=sql+us+holidcay+calendar+table&ie=utf-8&oe=utf-8
http://stackoverflow.com/questions/13866044/calendar-to-show-u-s-holidays-while-scheduling-event
http://social.technet.microsoft.com/wiki/contents/articles/22776.t-sql-calendar-table.aspx
http://facility9.com/2009/04/populating-us-federal-holidays-in-a-calendar-table/