You can find information about every keg size here.
According to Britannica, beer was first brewed in what is now southern Iraq, in the ancient civilizations of Sumer and Babylon, before 6000 CE.
Beer, which may be made from a variety of fermented grains like barley, was widely consumed by early civilizations .
It was seen to be a wholesome alternative to potentially dangerous sources of water like rivers and canals.
Beer has evolved through the years to become a popular beverage for group events blackding barbecues, parties, and sporting event viewing parties.
Kegs, which are used to store alcohol, have also made their way into these gatherings.