If you've ever been to a wedding reception in the U.S., you know there's one question that can get a whole family on the dance floor: "Do you remember the 21st night of September?" The story of the ...

Let's get one thing straight: the start of September does not mark the end of summer. Astronomically speaking — aka the autumnal equinox — doesn't occur until the latter half of September each year.

Guess what day it is? That's right, it's September 21st. As in, the 21st night of September. As in, BA-DEE-YA! It's the day in which we have to drop everything and play September by Earth Wind & Fire ...