Making beer requires an agrarian society to grow the hopps. Once the nomadic people tasted beer, they settled down to grow hopps. Each year after the harvest there was a big celebration.
The agrarians invented games to honor their hunter-gatherer heritage, and one of them was exceptionally fun to watch while drinking beer, especially on Monday nights. The game involved chasing a pig into a cage that was called a "gule".
As time went on this game was passed down through history to become what we now call baseball. ;^)
Before domesticated yeast they had nothing but unleavened bread and rice milk to supplement the natural food: bugs and berries. What a horrible time it was before civilization. Golden Age? Oh, sure.