It was fascinating when I first learned this. It made me go out and find a case of Czechvar so I could try the real thing.
This is the original Budweiser. Very interesting story of how this beer made it's way to America.
https://en.m.wikipedia.org/wiki/Budweiser_Budvar_Brewery
Someone using a different client tag Derek Ross, I'm using amethyst so tagging only works on Tuesdays (someone tag Vitor too maybe).
Discussion
You got to try in Czech/Europe. The thing they ship into the US is bottom of the barrel.