On this day in 1787 the US Constitution was signed. Thus, today is Constitution Day. (Here's Breitbart's Big Government's piece on the subject.)
I assume you have a copy--or copies--you do, don't you? (I have two different apps on my Droid.)
I admit, I'm torn between linking to a lot of related sites, and assuming that anyone who reads my blog doesn't need them.
Either way, here's a National Archives web site with some educational materials about Constitution Day for the youngsters, who probably do need the help, alas...