It's gonna be the biggest fair ever held in this country.
2 seconds sound clip from the Meet Me in St. Louis (1944) movie soundboard.
You can hear this line at 00:44:03.947 in the DVD version of the movie.
Quote context
[...]
- And you know something else?
- What?
- You've got a mighty strong grip for a girl.
- Hey! You boys, stop that! Leave that trolley alone!
- It's gonna be the biggest fair ever held in this country.
- Oh, now, wait. Not quite. It's still a little rough.
- After all, the exposition doesn't open for six months.
[...]