Funny thing about this thing called the internet....you can find such things.
You go to a site like Google. In that little "white bar" area called a bowser type in www.google.com
then when the screen changes and and you see the muti-colored word "Google" you type what you want to search for, in this case, "NFL 2006 Important Dates"
WOW! Look at that...all the options: