How long has beer brewing existed?

The history of beer brewing is very long and complex, and the exact origins are difficult to pinpoint. However, evidence suggests that beer brewing has been around for thousands of years.

Here's a timeline:

* Around 7000-5000 BC: Archaeological evidence suggests early forms of beer-making in Mesopotamia and Egypt.

* Around 3000 BC: Beer was a significant part of ancient Sumerian culture, with written records describing its production and consumption.

* Ancient Egypt: Beer was a staple beverage, consumed by all social classes, and even used in religious ceremonies.

* Ancient Rome: Beer was popular in Roman society, with evidence suggesting its brewing throughout the empire.

* Middle Ages: Beer brewing continued to flourish throughout Europe, with monks playing a significant role in its development.

* Modern Times: Modern brewing techniques emerged in the 19th century, leading to the large-scale production and distribution of beer.

While the exact origins remain unclear, it's safe to say that beer brewing has been around for at least 7,000 years, and likely much longer.