It's Thanksgiving Day...again

Do you know when it takes place?

Why is it celebrated?

What are the typical traditions on this day?

Learn about all this on these previous entries
and watch:

Thanksgiving from a different point of view,
Long way to this other Thanksgiving...
5 tips for a better Thanksgiving...through Chemistry!
Would you like to sing along?:

and finally:

 What do you give thanks for?