There's no such cannon in the North American continent, but they have some in Europe, according to last reports.

5 seconds sound clip from the The Alamo (1960) movie soundboard.

You can hear this line at 01:23:44.211 in the Blu-ray version of the movie.

Quote context

[...]

- Lot of men arriving. And they got the durn-blastedest cannon ever I did see! Something like this. Twelve or 14-foot long, maybe.

- He sure draws pretty, don't he?

- Frightening.

- Twelve, 14-feet long? Are you sure, Irish?

- Finn!

- Yes, sir!

- You were ordered to report to me, not to hold lecture courses. Get up here!

- All right, Will... Uh, uh, Colonel Travis.

- Hey, Travis! With a cannon like that, them Santa Anna fellas can sit out there and give us what for, can't they?

- There's no such cannon in the North American continent, but they have some in Europe, according to last reports.

- Acting Lieutenant Finn is exaggerating.

- ¡Fuego!

(Mountain Howitzer Cannon Firing)

- She's a big one, Davy, and she's shooting from over here!

[...]