I convinced a chick that it was a day when mexico sank a bunch of mayo...

Heritage.

Bro & I loved that movie as kids.

The usa defeated Mexico in the Mexican American war. Our generals went all the way to Mexico city and further.

they had the chance to conquer it and bring all its land into the usa.

The president wisely decided he didn't want it.

I watched 3 Amigos a couple of weeks ago. Haven't seen it since decades ago. It's still funny.